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mysql-test/r/fulltext.result:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/t/fulltext.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/item_cmpfunc.cc:
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sql/item_func.cc:
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sql/item_func.h:
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sql/item_timefunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_lex.h:
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sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
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sql/sql_show.cc:
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sql/sql_yacc.yy:
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This commit is contained in:
unknown 2003-10-31 22:14:49 +02:00
commit 5337ffde11
109 changed files with 1803 additions and 245 deletions
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5
mysql-test/r/auto_increment.result
View file

@ -112,6 +112,11 @@ insert into t1 set i = null;
select last_insert_id();
last_insert_id()
255
explain extended select last_insert_id();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache 255 AS `last_insert_id()`
insert into t1 set i = 254;
ERROR 23000: Duplicate entry '254' for key 1
select last_insert_id();

5
mysql-test/r/bench_count_distinct.result
View file

@ -3,4 +3,9 @@ create table t1(n int not null, key(n)) delay_key_write = 1;
select count(distinct n) from t1;
count(distinct n)
100
explain extended select count(distinct n) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL n 4 NULL 200 Using index
Warnings:
Note 1003 select high_priority count(distinct test.t1.n) AS `count(distinct n)` from test.t1
drop table t1;

18
mysql-test/r/case.result
View file

@ -23,6 +23,11 @@ false
select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END
one
explain extended select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (case 1 when 1 then _latin1'one' when 2 then _latin1'two' else _latin1'more' end) AS `CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END`
select CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END;
CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END
two
@ -57,6 +62,11 @@ fcase count(*)
0 2
2 1
3 1
explain extended select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
Warnings:
Note 1003 select high_priority (case test.t1.a when 1 then 2 when 2 then 3 else 0 end) AS `fcase`,count(0) AS `count(*)` from test.t1 group by (case test.t1.a when 1 then 2 when 2 then 3 else 0 end)
select case a when 1 then "one" when 2 then "two" else "nothing" end as fcase, count(*) from t1 group by fcase;
fcase count(*)
nothing 2
@ -122,6 +132,14 @@ CREATE TABLE t1 SELECT
COALESCE(1), COALESCE(1.0),COALESCE('a'),
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
COALESCE('a' COLLATE latin1_bin,'b');
explain extended SELECT
COALESCE(1), COALESCE(1.0),COALESCE('a'),
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
COALESCE('a' COLLATE latin1_bin,'b');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority coalesce(1) AS `COALESCE(1)`,coalesce(1.0) AS `COALESCE(1.0)`,coalesce(_latin1'a') AS `COALESCE('a')`,coalesce(1,1.0) AS `COALESCE(1,1.0)`,coalesce(1,_latin1'1') AS `COALESCE(1,'1')`,coalesce(1.1,_latin1'1') AS `COALESCE(1.1,'1')`,coalesce((_latin1'a' collate _latin1'latin1_bin'),_latin1'b') AS `COALESCE('a' COLLATE latin1_bin,'b')`
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (

5
mysql-test/r/cast.result
View file

@ -16,6 +16,11 @@ cast(-5 as unsigned) -1 cast(-5 as unsigned) + 1
select ~5, cast(~5 as signed);
~5 cast(~5 as signed)
18446744073709551610 -6
explain extended select ~5, cast(~5 as signed);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority ~(5) AS `~5`,cast(~(5) as signed) AS `cast(~5 as signed)`
select cast(5 as unsigned) -6.0;
cast(5 as unsigned) -6.0
-1.0

5
mysql-test/r/ctype_collate.result
View file

@ -521,6 +521,11 @@ character_set_client latin1
SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
charset('a') collation('a') coercibility('a') 'a'='A'
latin1 latin1_swedish_ci 3 1
explain extended SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority charset(_latin1'a') AS `charset('a')`,collation(_latin1'a') AS `collation('a')`,coercibility(_latin1'a') AS `coercibility('a')`,(_latin1'a' = _latin1'A') AS `'a'='A'`
SET CHARACTER SET koi8r;
SHOW VARIABLES LIKE 'collation_client';
Variable_name Value

123
mysql-test/r/ctype_many.result
View file

@ -340,6 +340,129 @@ CYR CAPIT SOFT SIGN
CYR CAPIT E ü ü
CYR CAPIT YU à à
CYR CAPIT YA ñ ñ
select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci') comment
a LAT SMALL A
b LAT SMALL B
c LAT SMALL C
d LAT SMALL D
e LAT SMALL E
f LAT SMALL F
g LAT SMALL G
h LAT SMALL H
i LAT SMALL I
j LAT SMALL J
k LAT SMALL K
l LAT SMALL L
m LAT SMALL M
n LAT SMALL N
o LAT SMALL O
p LAT SMALL P
q LAT SMALL Q
r LAT SMALL R
s LAT SMALL S
t LAT SMALL T
u LAT SMALL U
v LAT SMALL V
w LAT SMALL W
x LAT SMALL X
y LAT SMALL Y
z LAT SMALL Z
A LAT CAPIT A
B LAT CAPIT B
C LAT CAPIT C
D LAT CAPIT D
E LAT CAPIT E
F LAT CAPIT F
G LAT CAPIT G
H LAT CAPIT H
I LAT CAPIT I
J LAT CAPIT J
K LAT CAPIT K
L LAT CAPIT L
M LAT CAPIT M
N LAT CAPIT N
O LAT CAPIT O
P LAT CAPIT P
Q LAT CAPIT Q
R LAT CAPIT R
S LAT CAPIT S
T LAT CAPIT T
U LAT CAPIT U
V LAT CAPIT V
W LAT CAPIT W
X LAT CAPIT X
Y LAT CAPIT Y
Z LAT CAPIT Z
â CYR SMALL A
÷ CYR SMALL BE
ţ CYR SMALL VE
ú CYR SMALL GE
ä CYR SMALL DE
ĺ CYR SMALL IE
? CYR SMALL IO
ă CYR SMALL ZHE
˙ CYR SMALL ZE
ę CYR SMALL I
ě CYR SMALL KA
í CYR SMALL EL
î CYR SMALL EM
ď CYR SMALL EN
đ CYR SMALL O
ň CYR SMALL PE
ô CYR SMALL ER
ő CYR SMALL ES
ć CYR SMALL TE
č CYR SMALL U
ö CYR SMALL EF
é CYR SMALL HA
ç CYR SMALL TSE
ŕ CYR SMALL CHE
ů CYR SMALL SHA
ü CYR SMALL SCHA
ń CYR SMALL HARD SIGN
ý CYR SMALL YERU
ű CYR SMALL SOFT SIGN
ř CYR SMALL E
á CYR SMALL YU
ó CYR SMALL YA
 CYR CAPIT A
× CYR CAPIT BE
Ţ CYR CAPIT VE
Ú CYR CAPIT GE
Ä CYR CAPIT DE
Ĺ CYR CAPIT IE
? CYR CAPIT IO
Ă CYR CAPIT ZHE
ß CYR CAPIT ZE
Ę CYR CAPIT I
Ě CYR CAPIT KA
Í CYR CAPIT EL
Î CYR CAPIT EM
Ď CYR CAPIT EN
Đ CYR CAPIT O
Ň CYR CAPIT PE
Ô CYR CAPIT ER
Ő CYR CAPIT ES
Ć CYR CAPIT TE
Č CYR CAPIT U
Ö CYR CAPIT EF
É CYR CAPIT HA
Ç CYR CAPIT TSE
Ŕ CYR CAPIT CHE
Ů CYR CAPIT SHA
Ü CYR CAPIT SCHA
Ń CYR CAPIT HARD SIGN
Ý CYR CAPIT YERU
Ű CYR CAPIT SOFT SIGN
Ř CYR CAPIT E
Á CYR CAPIT YU
Ó CYR CAPIT YA
explain extended select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 116
Warnings:
Note 1003 select high_priority convert(test.t1.koi8_ru_f,_latin1'utf8_general_ci',_latin1'cp1251_general_ci') AS `CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci')`,test.t1.comment AS `comment` from test.t1
ALTER TABLE t1 ADD bin_f CHAR(32) BYTE NOT NULL;
UPDATE t1 SET bin_f=koi8_ru_f;
SELECT COUNT(DISTINCT bin_f),COUNT(DISTINCT koi8_ru_f),COUNT(DISTINCT utf8_f) FROM t1;

3
mysql-test/r/ctype_utf8.result
View file

@ -47,6 +47,9 @@ locate(_utf8 0xD091, _utf8 0xD0B0D0B1D0B2 collate utf8_bin)
select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin);
locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin)
0
select length(_utf8 0xD0B1), bit_length(_utf8 0xD0B1), char_length(_utf8 0xD0B1);
length(_utf8 0xD0B1) bit_length(_utf8 0xD0B1) char_length(_utf8 0xD0B1)
2 16 1
select 'a' like 'a';
'a' like 'a'
1

5
mysql-test/r/date_formats.result
View file

@ -155,3 +155,8 @@ a
select get_format(DATETIME, 'eur') as a;
a
%Y-%m-%d-%H.%i.%s
explain extended select makedate(1997,1), addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM"),cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME), maketime(23,11,12),microsecond("1997-12-31 23:59:59.000001");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority makedate(1997,1) AS `makedate(1997,1)`,addtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,subtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,timediff(_latin1'01.01.97 11:59:59.000001 PM',_latin1'31.12.95 11:59:59.000002 PM') AS `timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM")`,cast(str_to_date(_latin1'15-01-2001 12:59:59',_latin1'%d-%m-%Y %H:%i:%S') as time) AS `cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME)`,maketime(23,11,12) AS `maketime(23,11,12)`,microsecond(_latin1'1997-12-31 23:59:59.000001') AS `microsecond("1997-12-31 23:59:59.000001")`

2
mysql-test/r/derived.result
View file

@ -227,6 +227,4 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 THEMAX.E2 1 Using where
2 DERIVED t1 ALL NULL NULL NULL NULL 2 Using where
3 DEPENDENT SUBQUERY B ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1275 Field or reference 'A.E2' of SELECT #3 was resolved in SELECT #2
drop table t1;

10
mysql-test/r/fulltext.result
View file

@ -9,6 +9,11 @@ select * from t1 where MATCH(a,b) AGAINST ("collections");
a b
Only MyISAM tables support collections
Full-text indexes are called collections
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 fulltext a a 0 1 Using where
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (match test.t1.a,test.t1.b against (_latin1'collections'))
select * from t1 where MATCH(a,b) AGAINST ("indexes");
a b
Full-text indexes are called collections
@ -65,6 +70,11 @@ id select_type table type possible_keys key key_len ref rows Extra
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
a b
MySQL has now support for full-text search
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 fulltext a a 0 1 Using where
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (match test.t1.a,test.t1.b against (_latin1'support -collections' in boolean mode))
select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
a b
MySQL has now support for full-text search

10
mysql-test/r/func_compress.result
View file

@ -7,9 +7,19 @@ length(@test_compress_string)
select uncompress(compress(@test_compress_string));
uncompress(compress(@test_compress_string))
string for test compress function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
explain extended select uncompress(compress(@test_compress_string));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache uncompress(compress((@test_compress_string))) AS `uncompress(compress(@test_compress_string))`
select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)
1
explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache (uncompressed_length(compress((@test_compress_string))) = length((@test_compress_string))) AS `uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)`
select uncompressed_length(compress(@test_compress_string));
uncompressed_length(compress(@test_compress_string))
117

18
mysql-test/r/func_default.result Normal file
View file

@ -0,0 +1,18 @@
drop table if exists t1,t2;
create table t1(str varchar(10) default 'def',strnull varchar(10),intg int default '10',rel double default '3.14');
insert into t1 values ('','',0,0.0);
select default(str), default(strnull), default(intg), default(rel) from t1;
default(str) default(strnull) default(intg) default(rel)
def NULL 10 3.14
explain extended select default(str), default(strnull), default(intg), default(rel) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
Warnings:
Note 1003 select high_priority default(test.t1.str) AS `default(str)`,default(test.t1.strnull) AS `default(strnull)`,default(test.t1.intg) AS `default(intg)`,default(test.t1.rel) AS `default(rel)` from test.t1
select * from t1 where str <> default(str);
str strnull intg rel
0 0
explain select * from t1 where str <> default(str);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
drop table t1;

15
mysql-test/r/func_gconcat.result
View file

@ -14,6 +14,11 @@ grp group_concat(c)
1 a
2 b,c
3 E,C,D,d,d,D
explain extended select grp,group_concat(c) from t1 group by grp;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
Warnings:
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(test.t1.c seperator ',') AS `group_concat(c)` from test.t1 group by test.t1.grp
select grp,group_concat(a,c) from t1 group by grp;
grp group_concat(a,c)
1 1a
@ -79,6 +84,11 @@ grp group_concat(distinct c order by c desc)
1 a
2 c,b
3 E,D,C
explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
Warnings:
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(distinct test.t1.c order by test.t1.c seperator ',') AS `group_concat(distinct c order by c desc)` from test.t1 group by test.t1.grp
select grp,group_concat(c order by c separator ",") from t1 group by grp;
grp group_concat(c order by c separator ",")
1 a
@ -94,6 +104,11 @@ grp group_concat(distinct c order by c separator ",")
1 a
2 b,c
3 C,D,E
explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 9 Using filesort
Warnings:
Note 1003 select high_priority test.t1.grp AS `grp`,group_concat(distinct test.t1.c order by test.t1.c seperator ',') AS `group_concat(distinct c order by c separator ",")` from test.t1 group by test.t1.grp
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
grp group_concat(distinct c order by c desc separator ",")
1 a

15
mysql-test/r/func_group.result
View file

@ -597,11 +597,16 @@ a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b)
1 0 NULL NULL NULL NULL NULL 0 0
2 1 1 1.0000 0.0000 1 1 0 1
3 1 1 1.0000 0.0000 1 1 1 1
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b)
1 0 NULL NULL NULL NULL NULL 18446744073709551615 0
2 1 1 1.0000 0.0000 1 1 1 1
3 1 1 1.0000 0.0000 1 1 1 1
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
a count(b) sum(b) avg(b) std(b) min(b) max(b) bit_and(b) bit_or(b) bit_xor(b)
1 0 NULL NULL NULL NULL NULL 18446744073709551615 0 0
2 1 1 1.0000 0.0000 1 1 1 1 1
3 1 1 1.0000 0.0000 1 1 1 1 1
explain extended select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 Using filesort
Warnings:
Note 1003 select high_priority big_result test.t1.a AS `a`,count(test.t1.b) AS `count(b)`,sum(test.t1.b) AS `sum(b)`,avg(test.t1.b) AS `avg(b)`,std(test.t1.b) AS `std(b)`,min(test.t1.b) AS `min(b)`,max(test.t1.b) AS `max(b)`,bit_and(test.t1.b) AS `bit_and(b)`,bit_or(test.t1.b) AS `bit_or(b)`,bit_xor(test.t1.b) AS `bit_xor(b)` from test.t1 group by test.t1.a
drop table t1;
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) type=InnoDB;
insert into t1 values (1, 3);

19
mysql-test/r/func_if.result
View file

@ -39,6 +39,25 @@ a
a
aa
aaa
explain extended select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7 Using where; Using filesort
Warnings:
Note 1003 select high_priority if((test.t1.u = 1),test.t1.st,(test.t1.st collate _latin1'BINARY')) AS `s` from test.t1 where (test.t1.st like _latin1'%a%') order by if((test.t1.u = 1),test.t1.st,(test.t1.st collate _latin1'BINARY'))
select nullif(u=0, 'test') from t1;
nullif(u=0, 'test')
NULL
NULL
NULL
NULL
NULL
1
1
explain extended select nullif(u=0, 'test') from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 7
Warnings:
Note 1003 select high_priority nullif((test.t1.u = 0),_latin1'test') AS `nullif(u=0, 'test')` from test.t1
drop table t1;
create table t1 (num double(12,2));
insert into t1 values (144.54);

5
mysql-test/r/func_in.result
View file

@ -142,6 +142,11 @@ a c c
select * from t1 where 'a' in (a,b,c collate latin1_bin);
a b c
a c c
explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1 where (_latin1'a' in (test.t1.a,test.t1.b,(test.t1.c collate _latin1'latin1_bin')))
drop table t1;
select '1.0' in (1,2);
'1.0' in (1,2)

65
mysql-test/r/func_math.result
View file

@ -1,43 +1,108 @@
select floor(5.5),floor(-5.5);
floor(5.5) floor(-5.5)
5 -6
explain extended select floor(5.5),floor(-5.5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority floor(5.5) AS `floor(5.5)`,floor(-(5.5)) AS `floor(-5.5)`
select ceiling(5.5),ceiling(-5.5);
ceiling(5.5) ceiling(-5.5)
6 -5
explain extended select ceiling(5.5),ceiling(-5.5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority ceiling(5.5) AS `ceiling(5.5)`,ceiling(-(5.5)) AS `ceiling(-5.5)`
select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
truncate(52.64,1) truncate(52.64,2) truncate(52.64,-1) truncate(52.64,-2) truncate(-52.64,1) truncate(-52.64,-1)
52.6 52.64 50 0 -52.6 -50
explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority truncate(52.64,1) AS `truncate(52.64,1)`,truncate(52.64,2) AS `truncate(52.64,2)`,truncate(52.64,-(1)) AS `truncate(52.64,-1)`,truncate(52.64,-(2)) AS `truncate(52.64,-2)`,truncate(-(52.64),1) AS `truncate(-52.64,1)`,truncate(-(52.64),-(1)) AS `truncate(-52.64,-1)`
select round(5.5),round(-5.5);
round(5.5) round(-5.5)
6 -6
explain extended select round(5.5),round(-5.5);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority round(5.5,0) AS `round(5.5)`,round(-(5.5),0) AS `round(-5.5)`
select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
round(5.64,1) round(5.64,2) round(5.64,-1) round(5.64,-2)
5.6 5.64 10 0
select abs(-10), sign(-5), sign(5), sign(0);
abs(-10) sign(-5) sign(5) sign(0)
10 -1 1 0
explain extended select abs(-10), sign(-5), sign(5), sign(0);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority abs(-(10)) AS `abs(-10)`,sign(-(5)) AS `sign(-5)`,sign(5) AS `sign(5)`,sign(0) AS `sign(0)`
select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
log(exp(10)) exp(log(sqrt(10))*2) log(-1) log(NULL) log(1,1) log(3,9) log(-1,2) log(NULL,2)
10.000000 10.000000 NULL NULL NULL 2.000000 NULL NULL
explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority log(exp(10)) AS `log(exp(10))`,exp((log(sqrt(10)) * 2)) AS `exp(log(sqrt(10))*2)`,log(-(1)) AS `log(-1)`,log(NULL) AS `log(NULL)`,log(1,1) AS `log(1,1)`,log(3,9) AS `log(3,9)`,log(-(1),2) AS `log(-1,2)`,log(NULL,2) AS `log(NULL,2)`
select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
ln(exp(10)) exp(ln(sqrt(10))*2) ln(-1) ln(0) ln(NULL)
10.000000 10.000000 NULL NULL NULL
explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority ln(exp(10)) AS `ln(exp(10))`,exp((ln(sqrt(10)) * 2)) AS `exp(ln(sqrt(10))*2)`,ln(-(1)) AS `ln(-1)`,ln(0) AS `ln(0)`,ln(NULL) AS `ln(NULL)`
select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
log2(8) log2(15) log2(-2) log2(0) log2(NULL)
3.000000 3.906891 NULL NULL NULL
explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority log2(8) AS `log2(8)`,log2(15) AS `log2(15)`,log2(-(2)) AS `log2(-2)`,log2(0) AS `log2(0)`,log2(NULL) AS `log2(NULL)`
select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
log10(100) log10(18) log10(-4) log10(0) log10(NULL)
2.000000 1.255273 NULL NULL NULL
explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority log10(100) AS `log10(100)`,log10(18) AS `log10(18)`,log10(-(4)) AS `log10(-4)`,log10(0) AS `log10(0)`,log10(NULL) AS `log10(NULL)`
select pow(10,log10(10)),power(2,4);
pow(10,log10(10)) power(2,4)
10.000000 16.000000
explain extended select pow(10,log10(10)),power(2,4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority pow(10,log10(10)) AS `pow(10,log10(10))`,pow(2,4) AS `power(2,4)`
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select rand(999999),rand();
rand(999999) rand()
0.014231365187309 0.028870999839968
explain extended select rand(999999),rand();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache rand(999999) AS `rand(999999)`,rand() AS `rand()`
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
pi() sin(pi()/2) cos(pi()/2) abs(tan(pi())) cot(1) asin(1) acos(0) atan(1)
3.141593 1.000000 0.000000 0.000000 0.64209262 1.570796 1.570796 0.785398
explain extended select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority pi() AS `pi()`,sin((pi() / 2)) AS `sin(pi()/2)`,cos((pi() / 2)) AS `cos(pi()/2)`,abs(tan(pi())) AS `abs(tan(pi()))`,(1 / tan(1)) AS `cot(1)`,asin(1) AS `asin(1)`,acos(0) AS `acos(0)`,atan(1) AS `atan(1)`
select degrees(pi()),radians(360);
degrees(pi()) radians(360)
180 6.2831853071796
explain extended select degrees(pi()),radians(360);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority degrees(pi()) AS `degrees(pi())`,radians(360) AS `radians(360)`

10
mysql-test/r/func_op.result
View file

@ -1,9 +1,19 @@
select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
1+1 1-1 1+1*2 8/5 8%5 mod(8,5) mod(8,5)|0 -(1+1)*-2
2 0 3 1.60 3 3 3 4
explain extended select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (1 + 1) AS `1+1`,(1 - 1) AS `1-1`,(1 + (1 * 2)) AS `1+1*2`,(8 / 5) AS `8/5`,(8 % 5) AS `8%5`,(8 % 5) AS `mod(8,5)`,((8 % 5) | 0) AS `mod(8,5)|0`,(-((1 + 1)) * -(2)) AS `-(1+1)*-2`
select 1 | (1+1),5 & 3,bit_count(7) ;
1 | (1+1) 5 & 3 bit_count(7)
3 1 3
explain extended select 1 | (1+1),5 & 3,bit_count(7) ;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (1 | (1 + 1)) AS `1 | (1+1)`,(5 & 3) AS `5 & 3`,bit_count(7) AS `bit_count(7)`
select 1 << 32,1 << 63, 1 << 64, 4 >> 2, 4 >> 63, 1<< 63 >> 60;
1 << 32 1 << 63 1 << 64 4 >> 2 4 >> 63 1<< 63 >> 60
4294967296 9223372036854775808 0 1 0 8

5
mysql-test/r/func_regexp.result
View file

@ -36,6 +36,11 @@ insert into t1 (xxx) values('this is a test of some long text to see what happen
select * from t1 where xxx regexp('is a test of some long text to');
xxx
this is a test of some long text to see what happens
explain extended select * from t1 where xxx regexp('is a test of some long text to');
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
Warnings:
Note 1003 select high_priority test.t1.xxx AS `xxx` from test.t1 where (test.t1.xxx regexp _latin1'is a test of some long text to')
select * from t1 where xxx regexp('is a test of some long text to ');
xxx
this is a test of some long text to see what happens

5
mysql-test/r/func_set.result
View file

@ -1,6 +1,11 @@
select interval(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
interval(55,10,20,30,40,50,60,70,80,90,100) interval(3,1,1+1,1+1+1+1) field("IBM","NCA","ICL","SUN","IBM","DIGITAL") field("A","B","C") elt(2,"ONE","TWO","THREE") interval(0,1,2,3,4) elt(1,1,2,3)|0 elt(1,1.1,1.2,1.3)+0
5 2 4 0 TWO 0 1 1.1
explain extended select INTERVAL(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority interval((55,10,20,30,40,50,60,70,80,90,100)) AS `INTERVAL(55,10,20,30,40,50,60,70,80,90,100)`,interval((3,1,(1 + 1),(((1 + 1) + 1) + 1))) AS `interval(3,1,1+1,1+1+1+1)`,field(_latin1'IBM',_latin1'NCA',_latin1'ICL',_latin1'SUN',_latin1'IBM',_latin1'DIGITAL') AS `field("IBM","NCA","ICL","SUN","IBM","DIGITAL")`,field(_latin1'A',_latin1'B',_latin1'C') AS `field("A","B","C")`,elt(2,_latin1'ONE',_latin1'TWO',_latin1'THREE') AS `elt(2,"ONE","TWO","THREE")`,interval((0,1,2,3,4)) AS `interval(0,1,2,3,4)`,(elt(1,1,2,3) | 0) AS `elt(1,1,2,3)|0`,(elt(1,1.1,1.2,1.3) + 0) AS `elt(1,1.1,1.2,1.3)+0`
select find_in_set("b","a,b,c"),find_in_set("c","a,b,c"),find_in_set("dd","a,bbb,dd"),find_in_set("bbb","a,bbb,dd");
find_in_set("b","a,b,c") find_in_set("c","a,b,c") find_in_set("dd","a,bbb,dd") find_in_set("bbb","a,bbb,dd")
2 3 3 2

20
mysql-test/r/func_str.result
View file

@ -12,9 +12,15 @@ length('\n\t\r\b\0\_\%\\')
select bit_length('\n\t\r\b\0\_\%\\');
bit_length('\n\t\r\b\0\_\%\\')
80
select concat('monty',' was here ','again'),length('hello'),char(ascii('h'));
concat('monty',' was here ','again') length('hello') char(ascii('h'))
monty was here again 5 h
select char_length('\n\t\r\b\0\_\%\\');
char_length('\n\t\r\b\0\_\%\\')
10
select length(_latin1'\n\t\n\b\0\\_\\%\\');
length(_latin1'\n\t\n\b\0\\_\\%\\')
10
select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
concat('monty',' was here ','again') length('hello') char(ascii('h')) ord('h')
monty was here again 5 h 104
select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
locate('he','hello') locate('he','hello',2) locate('lo','hello',2)
1 0 4
@ -99,6 +105,9 @@ NULL
select md5('hello');
md5('hello')
5d41402abc4b2a76b9719d911017c592
select crc32("123");
crc32("123")
2286445522
select sha('abc');
sha('abc')
a9993e364706816aba3e25717850c26c9cd0d89d
@ -579,3 +588,8 @@ CONCAT("</a>",RPAD("",(55 - LENGTH(title)),"."))
NULL
</a>..........................
DROP TABLE t1;
explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'), concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority md5(_latin1'hello') AS `md5('hello')`,sha(_latin1'abc') AS `sha('abc')`,sha(_latin1'abc') AS `sha1('abc')`,soundex(_latin1'') AS `soundex('')`,(soundex(_latin1'mood') = soundex(_latin1'mud')) AS `'mood' sounds like 'mud'`,aes_decrypt(aes_encrypt(_latin1'abc',_latin1'1'),_latin1'1') AS `aes_decrypt(aes_encrypt('abc','1'),'1')`,concat(_latin1'*',repeat(_latin1' ',5),_latin1'*') AS `concat('*',space(5),'*')`,reverse(_latin1'abc') AS `reverse('abc')`,rpad(_latin1'a',4,_latin1'1') AS `rpad('a',4,'1')`,lpad(_latin1'a',4,_latin1'1') AS `lpad('a',4,'1')`,concat_ws(_latin1',',_latin1'',NULL,_latin1'a') AS `concat_ws(',','',NULL,'a')`,make_set(255,_latin2'a',_latin2'b',_latin2'c') AS `make_set(255,_latin2'a',_latin2'b',_latin2'c')`,elt(2,1) AS `elt(2,1)`,locate(_latin1'a',_latin1'b',2) AS `locate("a","b",2)`,format(130,10) AS `format(130,10)`,char(0) AS `char(0)`,conv(130,16,10) AS `conv(130,16,10)`,hex(130) AS `hex(130)`,(_latin1'HE' collate _latin1'BINARY') AS `binary 'HE'`,export_set(255,_latin2'y',_latin2'n',_latin2' ') AS `export_set(255,_latin2'y',_latin2'n',_latin2' ')`,field((_latin1'b' collate _latin1'latin1_bin'),_latin1'A',_latin1'B') AS `FIELD('b' COLLATE latin1_bin,'A','B')`,find_in_set(_latin1'B',_latin1'a,b,c,d') AS `FIND_IN_SET(_latin1'B',_latin1'a,b,c,d')`,collation(conv(130,16,10)) AS `collation(conv(130,16,10))`,coercibility(conv(130,16,10)) AS `coercibility(conv(130,16,10))`,length(_latin1'\n\t\r\b\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n\t\r\b\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,bit_length(_latin1'\n\t\r\b\0\\_\\%\\') AS `bit_length('\n\t\r\b\0\_\%\\')`,concat(_latin1'monty',_latin1' was here ',_latin1'again') AS `concat('monty',' was here ','again')`,length(_latin1'hello') AS `length('hello')`,char(ascii(_latin1'h')) AS `char(ascii('h'))`,ord(_latin1'h') AS `ord('h')`,quote((1 / 0)) AS `quote(1/0)`,crc32(_latin1'123') AS `crc32("123")`

5
mysql-test/r/func_system.result
View file

@ -37,6 +37,11 @@ version()>=_latin1"3.23.29"
select charset(version());
charset(version())
utf8
explain extended select database(), user();
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache database() AS `database()`,user() AS `user()`
create table t1 (version char(40)) select database(), user(), version() as 'version';
show create table t1;
Table Create Table

33
mysql-test/r/func_test.result
View file

@ -44,19 +44,47 @@ select -1.49 or -1.49,0.6 or 0.6;
select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
3 ^ 11 1 ^ 1 1 ^ 0 1 ^ NULL NULL ^ 1
8 0 1 NULL NULL
explain extended select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (3 ^ 11) AS `3 ^ 11`,(1 ^ 1) AS `1 ^ 1`,(1 ^ 0) AS `1 ^ 0`,(1 ^ NULL) AS `1 ^ NULL`,(NULL ^ 1) AS `NULL ^ 1`
select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
1 XOR 1 1 XOR 0 0 XOR 1 0 XOR 0 NULL XOR 1 1 XOR NULL 0 XOR NULL
0 1 1 0 NULL NULL NULL
select 10 % 7, 10 mod 7, 10 div 3;
10 % 7 10 mod 7 10 div 3
3 3 3
explain extended select 10 % 7, 10 mod 7, 10 div 3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (10 % 7) AS `10 % 7`,(10 % 7) AS `10 mod 7`,(10 DIV 3) AS `10 div 3`
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
(1 << 64)-1 ((1 << 64)-1) DIV 1 ((1 << 64)-1) DIV 2
18446744073709551615 18446744073709551615 9223372036854775807
explain extended select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority ((1 << 64) - 1) AS `(1 << 64)-1`,(((1 << 64) - 1) DIV 1) AS `((1 << 64)-1) DIV 1`,(((1 << 64) - 1) DIV 2) AS `((1 << 64)-1) DIV 2`
create table t1 (a int);
insert t1 values (1);
select * from t1 where 1 xor 1;
a
explain extended select * from t1 where 1 xor 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select high_priority test.t1.a AS `a` from test.t1 where (1 xor 1)
select - a from t1;
- a
-1
explain extended select - a from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
Warnings:
Note 1003 select high_priority -(test.t1.a) AS `- a` from test.t1
drop table t1;
select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
5 between 0 and 10 between 0 and 1 (5 between 0 and 10) between 0 and 1
@ -73,6 +101,11 @@ _koi8r'a' = _koi8r'A'
select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci
1
explain extended select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (_koi8r'a' = (_koi8r'A' collate _latin1'koi8r_general_ci')) AS `_koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci`
select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
_koi8r'a' = _koi8r'A' COLLATE koi8r_bin
0

5
mysql-test/r/func_time.result
View file

@ -486,3 +486,8 @@ strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0
1
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache period_add(_latin1'9602',-(12)) AS `period_add("9602",-12)`,period_diff(199505,_latin1'9404') AS `period_diff(199505,"9404")`,from_days(to_days(_latin1'960101')) AS `from_days(to_days("960101"))`,dayofmonth(_latin1'1997-01-02') AS `dayofmonth("1997-01-02")`,month(_latin1'1997-01-02') AS `month("1997-01-02")`,monthname(_latin1'1972-03-04') AS `monthname("1972-03-04")`,dayofyear(_latin1'0000-00-00') AS `dayofyear("0000-00-00")`,hour(_latin1'1997-03-03 23:03:22') AS `HOUR("1997-03-03 23:03:22")`,minute(_latin1'23:03:22') AS `MINUTE("23:03:22")`,second(230322) AS `SECOND(230322)`,quarter(980303) AS `QUARTER(980303)`,week(_latin1'1998-03-03',0) AS `WEEK("1998-03-03")`,yearweek(_latin1'2000-01-01',1) AS `yearweek("2000-01-01",1)`,week(19950101,1) AS `week(19950101,1)`,year(_latin1'98-02-03') AS `year("98-02-03")`,(weekday(to_days(curdate())) - weekday(to_days(now()))) AS `weekday(curdate())-weekday(now())`,dayname(to_days(_latin1'1962-03-03')) AS `dayname("1962-03-03")`,unix_timestamp() AS `unix_timestamp()`,sec_to_time((time_to_sec(_latin1'0:30:47') / 6.21)) AS `sec_to_time(time_to_sec("0:30:47")/6.21)`,curtime() AS `curtime()`,utc_time() AS `utc_time()`,curdate() AS `curdate()`,utc_date() AS `utc_date()`,utc_timestamp() AS `utc_timestamp()`,date_format(_latin1'1997-01-02 03:04:05',_latin1'%M %W %D %Y %y %m %d %h %i %s %w') AS `date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")`,from_unixtime(unix_timestamp(_latin1'1994-03-02 10:11:12')) AS `from_unixtime(unix_timestamp("1994-03-02 10:11:12"))`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `"1997-12-31 23:59:59" + INTERVAL 1 SECOND`,(_latin1'1998-01-01 00:00:00' - interval 1 second) AS `"1998-01-01 00:00:00" - INTERVAL 1 SECOND`,(_latin1'1997-12-31' + interval 1 day) AS `INTERVAL 1 DAY + "1997-12-31"`,extract(year from _latin1'1999-01-02 10:11:12') AS `extract(YEAR FROM "1999-01-02 10:11:12")`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)`

4
mysql-test/r/group_by.result
View file

@ -284,9 +284,11 @@ select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
spid count(*)
2 2
1 1
explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain extended select sql_big_result spid,sum(userid) from t1 group by spid desc;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 8 Using filesort
Warnings:
Note 1003 select high_priority big_result test.t1.spID AS `spid`,sum(test.t1.userID) AS `sum(userid)` from test.t1 group by test.t1.spID desc
explain select sql_big_result spid,sum(userid) from t1 group by spid desc order by null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 8

5
mysql-test/r/having.result
View file

@ -8,6 +8,11 @@ b
select count(a) as b from t1 where a=0 having b >=0;
b
0
explain extended select count(a) as b from t1 where a=0 having b >=0;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select high_priority count(test.t1.a) AS `b` from test.t1 where (test.t1.a = 0) having (count(test.t1.a) >= 0)
drop table t1;
CREATE TABLE t1 (
raw_id int(10) NOT NULL default '0',

10
mysql-test/r/insert_update.result
View file

@ -56,4 +56,14 @@ a b c VALUES(a)
5 0 30 NULL
8 9 60 NULL
2 1 11 NULL
explain extended SELECT *, VALUES(a) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c`,values(test.t1.a) AS `VALUES(a)` from test.t1
explain extended select * from t1 where values(a);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,test.t1.b AS `b`,test.t1.c AS `c` from test.t1
DROP TABLE t1;

15
mysql-test/r/null.result
View file

@ -2,6 +2,11 @@ drop table if exists t1;
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
NULL NULL isnull(null) isnull(1/0) isnull(1/0 = null) ifnull(null,1) ifnull(null,"TRUE") ifnull("TRUE","ERROR") 1/0 is null 1 is not null
NULL NULL 1 1 1 1 TRUE TRUE 1 1
explain extended select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority NULL AS `NULL`,NULL AS `NULL`,isnull(NULL) AS `isnull(null)`,isnull((1 / 0)) AS `isnull(1/0)`,isnull(((1 / 0) = NULL)) AS `isnull(1/0 = null)`,ifnull(NULL,1) AS `ifnull(null,1)`,ifnull(NULL,_latin1'TRUE') AS `ifnull(null,"TRUE")`,ifnull(_latin1'TRUE',_latin1'ERROR') AS `ifnull("TRUE","ERROR")`,isnull((1 / 0)) AS `1/0 is null`,(1 is not null) AS `1 is not null`
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
1 | NULL 1 & NULL 1+NULL 1-NULL
NULL NULL NULL NULL
@ -23,6 +28,11 @@ field(NULL,"a","b","c")
select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
2 between null and 1 2 between 3 AND NULL NULL between 1 and 2 2 between NULL and 3 2 between 1 AND null
0 0 NULL NULL NULL
explain extended select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority (2 between NULL and 1) AS `2 between null and 1`,(2 between 3 and NULL) AS `2 between 3 AND NULL`,(NULL between 1 and 2) AS `NULL between 1 and 2`,(2 between NULL and 3) AS `2 between NULL and 3`,(2 between 1 and NULL) AS `2 between 1 AND null`
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
NULL AND NULL 1 AND NULL NULL AND 1 NULL OR NULL 0 OR NULL NULL OR 0
NULL NULL NULL NULL NULL NULL
@ -35,6 +45,11 @@ NULL AND 0 0 and NULL
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
inet_ntoa(null) inet_aton(null) inet_aton("122.256") inet_aton("122.226.") inet_aton("")
NULL NULL NULL NULL NULL
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority inet_ntoa(NULL) AS `inet_ntoa(null)`,inet_aton(NULL) AS `inet_aton(null)`,inet_aton(_latin1'122.256') AS `inet_aton("122.256")`,inet_aton(_latin1'122.226.') AS `inet_aton("122.226.")`,inet_aton(_latin1'') AS `inet_aton("")`
create table t1 (x int);
insert into t1 values (null);
select * from t1 where x != 0;

4
mysql-test/r/olap.result
View file

@ -81,9 +81,11 @@ TV 2 2000 200
TV 2 NULL 200
TV NULL NULL 600
NULL NULL NULL 7785
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 15 Using temporary; Using filesort
Warnings:
Note 1003 select high_priority test.t1.product AS `product`,test.t1.country_id AS `country_id`,test.t1.year AS `year`,sum(test.t1.profit) AS `sum(profit)` from test.t1 group by test.t1.product,test.t1.country_id,test.t1.year with rollup
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;
product country_id sum(profit)
TV 1 400

5
mysql-test/r/query_cache.result
View file

@ -300,6 +300,11 @@ select USER() from t1;
USER()
select benchmark(1,1) from t1;
benchmark(1,1)
explain extended select benchmark(1,1) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 0 const row not found
Warnings:
Note 1003 select high_priority no_cache benchmark(1,1) AS `benchmark(1,1)` from test.t1
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 0

5
mysql-test/r/row.result
View file

@ -40,6 +40,11 @@ ERROR 21000: Operand should contain 2 column(s)
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)))
NULL
explain extended select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority ((1,2,(3,4)) in ((3,2,(3,4)),(1,2,(3,NULL)))) AS `row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)))`
SELECT (1,2,3)=(0,NULL,3);
(1,2,3)=(0,NULL,3)
0

10
mysql-test/r/rpl000001.result
View file

@ -40,10 +40,20 @@ create table t1(n int);
select get_lock("hold_slave",10);
get_lock("hold_slave",10)
1
explain extended select get_lock("hold_slave",10);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache get_lock(_latin1'hold_slave',10) AS `get_lock("hold_slave",10)`
start slave;
select release_lock("hold_slave");
release_lock("hold_slave")
1
explain extended select release_lock("hold_slave");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache release_lock(_latin1'hold_slave') AS `release_lock("hold_slave")`
unlock tables;
create table t2(id int);
insert into t2 values(connection_id());

11
mysql-test/r/rpl_get_lock.result
View file

@ -18,9 +18,14 @@ get_lock("lock",3)
select * from t1;
n
1
select is_free_lock("lock");
is_free_lock("lock")
0
select is_free_lock("lock"), is_used_lock("lock");
is_free_lock("lock") is_used_lock("lock")
0 6
explain extended select is_free_lock("lock"), is_used_lock("lock");
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache is_free_lock(_latin1'lock') AS `is_free_lock("lock")`,is_used_lock(_latin1'lock') AS `is_used_lock("lock")`
select is_free_lock("lock2");
is_free_lock("lock2")
1

5
mysql-test/r/rpl_master_pos_wait.result
View file

@ -7,6 +7,11 @@ start slave;
select master_pos_wait('master-bin.999999',0,2);
master_pos_wait('master-bin.999999',0,2)
-1
explain extended select master_pos_wait('master-bin.999999',0,2);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache master_pos_wait(_latin1'master-bin.999999',0,2) AS `master_pos_wait('master-bin.999999',0,2)`
select master_pos_wait('master-bin.999999',0);
stop slave sql_thread;
master_pos_wait('master-bin.999999',0)

5
mysql-test/r/select.result
View file

@ -1466,6 +1466,11 @@ companynr count(*)
select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
count(*) min(fld4) max(fld4) sum(fld1) avg(fld1) std(fld1) variance(fld1)
70 absentee vest 17788966 254128.0857 3272.5940 10709871.3069
explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where
Warnings:
Note 1003 select high_priority count(0) AS `count(*)`,min(test.t2.fld4) AS `min(fld4)`,max(test.t2.fld4) AS `max(fld4)`,sum(test.t2.fld1) AS `sum(fld1)`,avg(test.t2.fld1) AS `avg(fld1)`,std(test.t2.fld1) AS `std(fld1)`,variance(test.t2.fld1) AS `variance(fld1)` from test.t2 where ((test.t2.companynr = 34) and (test.t2.fld4 <> _latin1''))
select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
companynr count(*) min(fld4) max(fld4) sum(fld1) avg(fld1) std(fld1) variance(fld1)
00 82 Anthony windmills 10355753 126289.6707 115550.9757 13352027981.7087

164
mysql-test/r/subselect.result
View file

@ -2,32 +2,35 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
select (select 2);
(select 2)
2
explain select (select 2);
explain extended select (select 2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1003 select high_priority 2 AS `(select 2)`
SELECT (SELECT 1) UNION SELECT (SELECT 2);
(SELECT 1)
1
2
explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
explain extended SELECT (SELECT 1) UNION SELECT (SELECT 2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1248 Select 4 was reduced during optimisation
Note 1003 select high_priority 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0))
0
explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
explain extended SELECT (SELECT (SELECT 0 UNION SELECT 0));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1003 select high_priority (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@ -37,7 +40,7 @@ SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
1 1
SELECT (SELECT a) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list)
EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
EXPLAIN EXTENDED SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 1
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
@ -45,6 +48,7 @@ id select_type table type possible_keys key key_len ref rows Extra
Warnings:
Note 1275 Field or reference 'a' of SELECT #3 was resolved in SELECT #1
Note 1275 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority 1 AS `1` from (select 1 AS `a`) b having ((select b.a AS `a`) = 1)
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1
1
@ -172,12 +176,14 @@ a b
2 7
3 8
4 8
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain extended (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using filesort
3 UNION t4 ALL NULL NULL NULL NULL 3 Using where; Using filesort
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2
Warnings:
Note 1003 (select high_priority test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.b = (select test.t3.a AS `a` from test.t3 order by test.t3.a desc limit 1))) union (select test.t4.a AS `a`,test.t4.b AS `b` from test.t4 where (test.t4.b = (select (max(test.t2.a) * 4) AS `max(t2.a)*4` from test.t2)) order by test.t4.a)
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1
@ -186,12 +192,14 @@ select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
(select t3.a from t3 where a<8 order by 1 desc limit 1) a
7 2
explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived3> system NULL NULL NULL NULL 1
3 DERIVED t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where; Using filesort
Warnings:
Note 1003 select high_priority (select test.t3.a AS `a` from test.t3 where (test.t3.a < 8) order by test.t3.a desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,tt.a AS `a` from (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.a > 1)) tt
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a
2
@ -205,13 +213,14 @@ b (select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)
8 7.5000
8 4.5000
9 7.5000
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
explain extended select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t4 ALL NULL NULL NULL NULL 3
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where
Warnings:
Note 1275 Field or reference 't4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority test.t4.b AS `b`,(select avg((test.t2.a + (select min(test.t3.a) AS `min(t3.a)` from test.t3 where (test.t3.a >= test.t4.a)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from test.t2) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from test.t4
select * from t3 where exists (select * from t2 where t2.b=t3.a);
a
7
@ -252,10 +261,12 @@ select * from t3 where a >= any (select b from t2);
a
6
7
explain select * from t3 where a >= any (select b from t2);
explain extended select * from t3 where a >= any (select b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where (test.t3.a >= (select min(test.t2.b) from test.t2 limit 1))
select * from t3 where a >= all (select b from t2);
a
7
@ -290,7 +301,7 @@ select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)
(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a) a
NULL 1
2 2
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
explain extended select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1
@ -298,6 +309,7 @@ id select_type table type possible_keys key key_len ref rows Extra
Warnings:
Note 1275 Field or reference 't2.a' of SELECT #2 was resolved in SELECT #1
Note 1275 Field or reference 't2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority (select test.t1.a AS `a` from test.t1 where (test.t1.a = test.t2.a) union select test.t5.a AS `a` from test.t5 where (test.t5.a = test.t2.a)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,test.t2.a AS `a` from test.t2
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@ -309,12 +321,13 @@ patient_uq clinic_uq
1 1
1 2
2 2
explain select * from t6 where exists (select * from t7 where uq = clinic_uq);
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1
Warnings:
Note 1275 Field or reference 'clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select high_priority test.t6.patient_uq AS `patient_uq`,test.t6.clinic_uq AS `clinic_uq` from test.t6 where exists(select test.t7.uq AS `uq`,test.t7.name AS `name` from test.t7 where (test.t7.uq = test.t6.clinic_uq) limit 1)
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column: 'a' in field list is ambiguous
drop table if exists t1,t2,t3;
@ -342,12 +355,14 @@ UNIQUE KEY `email` (`email`)
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t8 const PRIMARY PRIMARY 35 const 1
4 SUBQUERY t8 const PRIMARY PRIMARY 35 1
2 SUBQUERY t8 const PRIMARY PRIMARY 35 const 1
3 SUBQUERY t8 const PRIMARY PRIMARY 35 1
Warnings:
Note 1003 select high_priority test.t8.pseudo AS `pseudo`,(select test.t8.email AS `email` from test.t8 where (test.t8.pseudo = (select test.t8.pseudo AS `pseudo` from test.t8 where (test.t8.pseudo = _latin1'joce')))) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from test.t8 where (test.t8.pseudo = (select test.t8.pseudo AS `pseudo` from test.t8 where (test.t8.pseudo = _latin1'joce')))
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s)
@ -369,13 +384,17 @@ KEY `topic` (`topic`)
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN EXTENDED SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
Warnings:
Note 1003 select high_priority distinct test.t1.date AS `date` from test.t1 where (test.t1.date = 20020803)
EXPLAIN EXTENDED SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 41 NULL 2 Using where; Using index
Warnings:
Note 1003 select high_priority (select distinct test.t1.date AS `date` from test.t1 where (test.t1.date = 20020803)) AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date
2002-08-03
@ -389,11 +408,13 @@ SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
1
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
ERROR 21000: Subquery returns more than 1 row
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL topic 3 NULL 2 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority 1 AS `1` from test.t1
drop table t1;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@ -507,15 +528,19 @@ ERROR 42S22: Unknown column 'a' in 'having clause'
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
numreponse (SELECT numeropost FROM t1 HAVING numreponse=1)
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
ERROR 21000: Subquery returns more than 1 row
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
Warnings:
Note 1003 select high_priority max(test.t1.numreponse) AS `MAX(numreponse)` from test.t1 where (test.t1.numeropost = _latin1'1')
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select high_priority test.t1.numreponse AS `numreponse` from test.t1 where ((test.t1.numeropost = _latin1'1') and (test.t1.numreponse = 3))
drop table t1;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1);
@ -678,28 +703,32 @@ INSERT INTO t2 VALUES (1),(2);
SELECT * FROM t2 WHERE id IN (SELECT 1);
id
1
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = 1)
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
id
1
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
id
2
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
Warnings:
Note 1248 Select 3 was reduced during optimisation
Note 1248 Select 2 was reduced during optimisation
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = (1 + 1))
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL id 5 NULL 2 Using where; Using index
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where <in_optimizer>(test.t2.id,<exists>(select 1 AS `Not_used` having (<cache>(test.t2.id) = <null_helper>(1)) limit 1 union select 1 AS `Not_used` having (<cache>(test.t2.id) = <null_helper>(3)) limit 1))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@ -819,12 +848,13 @@ NULL
select 10.5 > ANY (SELECT * from t1);
10.5 > ANY (SELECT * from t1)
1
explain select (select a+1) from t1;
explain extended select (select a+1) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
Warnings:
Note 1275 Field or reference 'a' of SELECT #2 was resolved in SELECT #1
Note 1248 Select 2 was reduced during optimisation
Note 1003 select high_priority (test.t1.a + 1) AS `(select a+1)` from test.t1
select (select a+1) from t1;
(select a+1)
2.5
@ -841,10 +871,12 @@ a t1.a in (select t2.a from t2)
2 1
3 1
4 0
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 Using index
2 DEPENDENT SUBQUERY t2 index_subquery a a 5 func 2 Using index
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,<in_optimizer>(test.t1.a,<exists>(<index_lookup>(<cache>(test.t1.a) in t2 on a chicking NULL))) AS `t1.a in (select t2.a from t2)` from test.t1
CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@ -853,11 +885,13 @@ a t1.a in (select t2.a from t2,t3 where t3.a=t2.a)
2 1
3 1
4 0
explain SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 Using index
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where
Warnings:
Note 1003 select high_priority test.t1.a AS `a`,<in_optimizer>(test.t1.a,<exists>(select 1 AS `Not_used` from test.t2 join test.t3 where ((test.t3.a = test.t2.a) and ((<cache>(test.t1.a) = test.t2.a) or isnull(test.t2.a))) having <is_not_null_test>(test.t2.a) limit 1)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from test.t1
drop table t1,t2,t3;
create table t1 (a float);
select 10.5 IN (SELECT * from t1 LIMIT 1);
@ -962,18 +996,24 @@ UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
ERROR HY000: Invalid use of group function
drop table t1;
CREATE TABLE t1 (a int(1));
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT RAND() FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
Warnings:
Note 1003 select high_priority no_cache (select no_cache rand() AS `RAND()` from test.t1) AS `(SELECT RAND() FROM t1)` from test.t1
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
Warnings:
Note 1003 select high_priority no_cache (select no_cache ecrypt(_latin1'test') AS `ENCRYPT('test')` from test.t1) AS `(SELECT ENCRYPT('test') FROM t1)` from test.t1
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 const row not found
Warnings:
Note 1003 select high_priority no_cache (select no_cache benchmark(1,1) AS `BENCHMARK(1,1)` from test.t1) AS `(SELECT BENCHMARK(1,1) FROM t1)` from test.t1
drop table t1;
CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '',
@ -1061,12 +1101,14 @@ t1 CREATE TABLE `t1` (
drop table t1;
create table t1 (a int);
insert into t1 values (1), (2), (3);
explain select a,(select (select rand() from t1 limit 1) from t1 limit 1)
explain extended select a,(select (select rand() from t1 limit 1) from t1 limit 1)
from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3
Warnings:
Note 1003 select high_priority no_cache test.t1.a AS `a`,(select no_cache (select no_cache rand() AS `rand()` from test.t1 limit 1) AS `(select rand() from t1 limit 1)` from test.t1 limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from test.t1
drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist
@ -1115,18 +1157,22 @@ INSERT INTO t1 (pseudo) VALUES ('test');
SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a)
0
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a)
0
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings:
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1;
CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0',
@ -1165,10 +1211,12 @@ NULL
drop table t1;
create table t1 (id int not null auto_increment primary key, salary int, key(salary));
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ref salary salary 5 const 1 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select high_priority test.t1.id AS `id` from test.t1 where (test.t1.salary = (select max(test.t1.salary) AS `MAX(salary)` from test.t1))
drop table t1;
CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment,
@ -1255,27 +1303,33 @@ a
2
3
4
explain select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using index
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<primary_index_lookup>(<cache>(test.t2.a) in t1 on PRIMARY)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
2
4
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using index; Using where
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<primary_index_lookup>(<cache>(test.t2.a) in t1 on PRIMARY where (test.t1.b <> 30))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a
2
3
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 Using where; Using index
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(select 1 AS `Not_used` from test.t1 join test.t3 where ((test.t1.b = test.t3.a) and (<cache>(test.t2.a) = test.t1.a)) limit 1))
drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a));
@ -1288,27 +1342,33 @@ a
2
3
4
explain select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
2
4
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index; Using where
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a where (test.t1.b <> 30))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a
2
3
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 Using index
2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1000 Using where; Using index
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(select 1 AS `Not_used` from test.t1 join test.t3 where ((test.t1.b = test.t3.a) and (<cache>(test.t2.a) = test.t1.a)) limit 1))
insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a
@ -1319,10 +1379,12 @@ select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31
a
2
4
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 Using index; Using where
Warnings:
Note 1003 select high_priority test.t2.a AS `a` from test.t2 where <in_optimizer>(test.t2.a,<exists>(<index_lookup>(<cache>(test.t2.a) in t1 on a where (test.t1.b <> 30))))
drop table t1, t2, t3;
create table t1 (a int, b int);
create table t2 (a int, b int);
@ -1387,9 +1449,11 @@ insert into t1 values ('tttt');
select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
s1
tttt
explain (select * from t1);
explain extended (select * from t1);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1
Warnings:
Note 1003 (select high_priority test.t1.s1 AS `s1` from test.t1)
(select * from t1);
s1
tttt
@ -1418,22 +1482,30 @@ s1 s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')
a1 0
a2 1
a3 1
explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
explain select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
Warnings:
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from test.t1
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
explain select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
Warnings:
Note 1003 select high_priority test.t1.s1 AS `s1`,<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL))) AS `s1 = ANY (SELECT s1 FROM t2)` from test.t1
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 2 Using index
explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
Warnings:
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from test.t1
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 Using index
2 DEPENDENT SUBQUERY t2 index_subquery s1 s1 6 func 1 Using index; Using where
Warnings:
Note 1003 select high_priority test.t1.s1 AS `s1`,not(<in_optimizer>(test.t1.s1,<exists>(<index_lookup>(<cache>(test.t1.s1) in t2 on s1 chicking NULL where (test.t2.s1 < _latin1'a2'))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from test.t1
drop table t1,t2;
create table t2 (a int, b int);
create table t3 (a int);
@ -1443,19 +1515,23 @@ a
6
7
3
explain select * from t3 where a >= all (select b from t2);
explain extended select * from t3 where a >= all (select b from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 const row not found
Warnings:
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where <not>((test.t3.a < (select max(test.t2.b) from test.t2 limit 1)))
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
a
6
7
explain select * from t3 where a > all (select max(b) from t2 group by a);
explain extended select * from t3 where a > all (select max(b) from t2 group by a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort
Warnings:
Note 1003 select high_priority test.t3.a AS `a` from test.t3 where <not>((test.t3.a <= <max>(select max(test.t2.b) AS `max(b)` from test.t2 group by test.t2.a)))
drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) TYPE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());

8
mysql-test/r/type_blob.result
View file

@ -492,6 +492,14 @@ collation(load_file('../../std_data/words.dat')),
coercibility(load_file('../../std_data/words.dat'));
charset(load_file('../../std_data/words.dat')) collation(load_file('../../std_data/words.dat')) coercibility(load_file('../../std_data/words.dat'))
binary binary 3
explain extended select
charset(load_file('../../std_data/words.dat')),
collation(load_file('../../std_data/words.dat')),
coercibility(load_file('../../std_data/words.dat'));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache charset(load_file(_latin1'../../std_data/words.dat')) AS `charset(load_file('../../std_data/words.dat'))`,collation(load_file(_latin1'../../std_data/words.dat')) AS `collation(load_file('../../std_data/words.dat'))`,coercibility(load_file(_latin1'../../std_data/words.dat')) AS `coercibility(load_file('../../std_data/words.dat'))`
update t1 set imagem=load_file('../../std_data/words.dat') where id=1;
select if(imagem is null, "ERROR", "OK"),length(imagem) from t1 where id = 1;
if(imagem is null, "ERROR", "OK") length(imagem)

8
mysql-test/r/union.result
View file

@ -86,10 +86,12 @@ a b
1 a
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b;
ERROR 42000: Table 't1' from one of SELECT's can not be used in global ORDER clause
explain (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
explain extended (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
2 UNION t2 ALL NULL NULL NULL NULL 4 Using filesort
Warnings:
Note 1003 (select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 limit 2) union all (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 order by test.t2.a limit 1) order by b desc
(select sql_calc_found_rows a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 2;
a b
1 a
@ -463,10 +465,12 @@ create table t1 (a int not null primary key auto_increment, b int, key(b));
create table t2 (a int not null primary key auto_increment, b int);
insert into t1 (b) values (1),(2),(2),(3);
insert into t2 (b) values (10),(11),(12),(13);
explain (select * from t1 where a=1) union (select * from t2 where a=1);
explain extended (select * from t1 where a=1) union (select * from t2 where a=1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1
2 UNION t2 const PRIMARY PRIMARY 4 const 1
Warnings:
Note 1003 (select high_priority test.t1.a AS `a`,test.t1.b AS `b` from test.t1 where (test.t1.a = 1)) union (select test.t2.a AS `a`,test.t2.b AS `b` from test.t2 where (test.t2.a = 1))
(select * from t1 where a=5) union (select * from t2 where a=1);
a b
1 10

4
mysql-test/r/varbinary.result
View file

@ -11,9 +11,11 @@ x'31' X'ffff'+0
create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
insert into t1 set UNIQ=0x38afba1d73e6a18a;
insert into t1 set UNIQ=123;
explain select * from t1 where UNIQ=0x38afba1d73e6a18a;
explain extended select * from t1 where UNIQ=0x38afba1d73e6a18a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const UNIQ UNIQ 8 const 1
Warnings:
Note 1003 select high_priority test.t1.ID AS `ID`,test.t1.UNIQ AS `UNIQ` from test.t1 where (test.t1.UNIQ = 4084688022709641610)
drop table t1;
select x'hello';
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'x'hello'' at line 1

15
mysql-test/r/variables.result
View file

@ -22,6 +22,11 @@ NULL NULL NULL NULL
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
@t1:=(@t2:=1)+@t3:=4 @t1 @t2 @t3
5 5 1 4
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache (@t1:=((@t2:=1) + (@t3:=4))) AS `@t1:=(@t2:=1)+@t3:=4`,(@t1) AS `@t1`,(@t2) AS `@t2`,(@t3) AS `@t3`
select @t5;
@t5
1.23456
@ -76,9 +81,19 @@ select @@VERSION=version();
select last_insert_id(345);
last_insert_id(345)
345
explain extended select last_insert_id(345);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache last_insert_id(345) AS `last_insert_id(345)`
select @@IDENTITY,last_insert_id(), @@identity;
@@IDENTITY last_insert_id() @@identity
345 345 345
explain extended select @@IDENTITY,last_insert_id(), @@identity;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select high_priority no_cache 345 AS `@@IDENTITY`,345 AS `last_insert_id()`,345 AS `@@identity`
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";
set global concurrent_insert=ON;
show variables like 'concurrent_insert';

1
mysql-test/t/auto_increment.test
View file

@ -80,6 +80,7 @@ create table t1 (i tinyint unsigned not null auto_increment primary key);
insert into t1 set i = 254;
insert into t1 set i = null;
select last_insert_id();
explain extended select last_insert_id();
--error 1062
insert into t1 set i = 254;
select last_insert_id();

1
mysql-test/t/bench_count_distinct.test
View file

@ -16,4 +16,5 @@ while ($1)
}
enable_query_log;
select count(distinct n) from t1;
explain extended select count(distinct n) from t1;
drop table t1;

6
mysql-test/t/case.test
View file

@ -14,6 +14,7 @@ select CASE "b" when "a" then 1 when binary "B" then 2 WHEN "b" then "ok" END;
select CASE concat("a","b") when concat("ab","") then "a" when "b" then "b" end;
select CASE when 1=0 then "true" else "false" END;
select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
explain extended select CASE 1 when 1 then "one" WHEN 2 then "two" ELSE "more" END;
select CASE 2.0 when 1 then "one" WHEN 2.0 then "two" ELSE "more" END;
select (CASE "two" when "one" then "1" WHEN "two" then "2" END) | 0;
select (CASE "two" when "one" then 1.00 WHEN "two" then 2.00 END) +0.0;
@ -30,6 +31,7 @@ select case when 1<0 then "TRUE" else "FALSE" END;
create table t1 (a int);
insert into t1 values(1),(2),(3),(4);
select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
explain extended select case a when 1 then 2 when 2 then 3 else 0 end as fcase, count(*) from t1 group by fcase;
select case a when 1 then "one" when 2 then "two" else "nothing" end as fcase, count(*) from t1 group by fcase;
drop table t1;
@ -98,5 +100,9 @@ CREATE TABLE t1 SELECT
COALESCE(1), COALESCE(1.0),COALESCE('a'),
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
COALESCE('a' COLLATE latin1_bin,'b');
explain extended SELECT
COALESCE(1), COALESCE(1.0),COALESCE('a'),
COALESCE(1,1.0), COALESCE(1,'1'),COALESCE(1.1,'1'),
COALESCE('a' COLLATE latin1_bin,'b');
SHOW CREATE TABLE t1;
DROP TABLE t1;

1
mysql-test/t/cast.test
View file

@ -8,6 +8,7 @@ select CONVERT('-1',UNSIGNED);
select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
select ~5, cast(~5 as signed);
explain extended select ~5, cast(~5 as signed);
select cast(5 as unsigned) -6.0;
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);

1
mysql-test/t/ctype_collate.test
View file

@ -139,6 +139,7 @@ SHOW FIELDS FROM t1;
SET CHARACTER SET 'latin1';
SHOW VARIABLES LIKE 'character_set_client';
SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
explain extended SELECT charset('a'),collation('a'),coercibility('a'),'a'='A';
SET CHARACTER SET koi8r;
SHOW VARIABLES LIKE 'collation_client';

6
mysql-test/t/ctype_many.test
View file

@ -147,6 +147,12 @@ UPDATE t1 SET utf8_f=CONVERT(koi8_ru_f USING utf8);
SET CHARACTER SET koi8r;
SELECT * FROM t1;
#
# codecovarage for Item_func_conv_charset3
#
select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
explain extended select CONVERT(koi8_ru_f, 'cp1251_general_ci', 'utf8_general_ci'), comment from t1;
ALTER TABLE t1 ADD bin_f CHAR(32) BYTE NOT NULL;
UPDATE t1 SET bin_f=koi8_ru_f;
SELECT COUNT(DISTINCT bin_f),COUNT(DISTINCT koi8_ru_f),COUNT(DISTINCT utf8_f) FROM t1;

2
mysql-test/t/ctype_utf8.test
View file

@ -23,6 +23,8 @@ select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2);
select locate(_utf8 0xD091, _utf8 0xD0B0D0B1D0B2 collate utf8_bin);
select locate(_utf8 0xD0B1, _utf8 0xD0B0D091D0B2 collate utf8_bin);
select length(_utf8 0xD0B1), bit_length(_utf8 0xD0B1), char_length(_utf8 0xD0B1);
select 'a' like 'a';
select 'A' like 'a';
select 'A' like 'a' collate utf8_bin;

1
mysql-test/t/date_formats.test
View file

@ -80,3 +80,4 @@ select get_format(DATE, 'USA') as a;
select get_format(TIME, 'internal') as a;
select get_format(DATETIME, 'eur') as a;
explain extended select makedate(1997,1), addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM"),cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME), maketime(23,11,12),microsecond("1997-12-31 23:59:59.000001");

2
mysql-test/t/fulltext.test
View file

@ -16,6 +16,7 @@ INSERT INTO t1 VALUES('MySQL has now support', 'for full-text search'),
# nl search
select * from t1 where MATCH(a,b) AGAINST ("collections");
explain extended select * from t1 where MATCH(a,b) AGAINST ("collections");
select * from t1 where MATCH(a,b) AGAINST ("indexes");
select * from t1 where MATCH(a,b) AGAINST ("indexes collections");
select * from t1 where MATCH(a,b) AGAINST ("only");
@ -42,6 +43,7 @@ explain select * from t1 where MATCH(a,b) AGAINST ("collections")>0 and a like '
# boolean search
select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
explain extended select * from t1 where MATCH(a,b) AGAINST("support -collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("support collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("support +collections" IN BOOLEAN MODE);
select * from t1 where MATCH(a,b) AGAINST("sear*" IN BOOLEAN MODE);

2
mysql-test/t/func_compress.test
View file

@ -7,7 +7,9 @@ select @test_compress_string:='string for test compress function aaaaaaaaaaaaaaa
select length(@test_compress_string);
select uncompress(compress(@test_compress_string));
explain extended select uncompress(compress(@test_compress_string));
select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
explain extended select uncompressed_length(compress(@test_compress_string))=length(@test_compress_string);
select uncompressed_length(compress(@test_compress_string));
select length(compress(@test_compress_string))<length(@test_compress_string);

19
mysql-test/t/func_default.test Normal file
View file

@ -0,0 +1,19 @@
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
create table t1(str varchar(10) default 'def',strnull varchar(10),intg int default '10',rel double default '3.14');
insert into t1 values ('','',0,0.0);
select default(str), default(strnull), default(intg), default(rel) from t1;
explain extended select default(str), default(strnull), default(intg), default(rel) from t1;
select * from t1 where str <> default(str);
explain select * from t1 where str <> default(str);
#TODO: uncomment when bug will be fixed
#create table t2 select default(str), default(strnull), default(intg), default(rel) from t1;
#show create table from t1;
#insert into t2 select select default(str), default(strnull), default(intg), default(rel) from t1;
drop table t1;

3
mysql-test/t/func_gconcat.test
View file

@ -18,6 +18,7 @@ insert into t1 values (3,9,"D","c");
# Test of MySQL simple request
select grp,group_concat(c) from t1 group by grp;
explain extended select grp,group_concat(c) from t1 group by grp;
select grp,group_concat(a,c) from t1 group by grp;
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
@ -33,9 +34,11 @@ select grp,group_concat(c order by 1) from t1 group by grp;
select grp,group_concat(c order by "c") from t1 group by grp;
select grp,group_concat(distinct c order by c) from t1 group by grp;
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
explain extended select grp,group_concat(distinct c order by c desc) from t1 group by grp;
select grp,group_concat(c order by c separator ",") from t1 group by grp;
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
explain extended select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
# Test of SQL_LIST objects

3
mysql-test/t/func_group.test
View file

@ -346,7 +346,8 @@ select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b)
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
insert into t1 values (3,1);
select a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b) from t1 group by a;
select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
explain extended select SQL_BIG_RESULT a,count(b), sum(b), avg(b), std(b), min(b), max(b), bit_and(b), bit_or(b), bit_xor(b) from t1 group by a;
drop table t1;
--disable_warnings
create table t1 (USR_ID integer not null, MAX_REQ integer not null, constraint PK_SEA_USER primary key (USR_ID)) type=InnoDB;

7
mysql-test/t/func_if.test
View file

@ -20,6 +20,13 @@ select if(1,st,st) s from t1 order by s;
select if(u=1,st,st) s from t1 order by s;
select if(u=1,binary st,st) s from t1 order by s;
select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
explain extended select if(u=1,st,binary st) s from t1 where st like "%a%" order by s;
#
# NULLIF test
#
select nullif(u=0, 'test') from t1;
explain extended select nullif(u=0, 'test') from t1;
drop table t1;
#

1
mysql-test/t/func_in.test
View file

@ -72,6 +72,7 @@ select * from t1 where a in ('a');
select * from t1 where 'a' collate latin1_general_ci in (a,b,c);
select * from t1 where 'a' collate latin1_bin in (a,b,c);
select * from t1 where 'a' in (a,b,c collate latin1_bin);
explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
drop table t1;
select '1.0' in (1,2);

13
mysql-test/t/func_math.test
View file

@ -3,17 +3,30 @@
#
select floor(5.5),floor(-5.5);
explain extended select floor(5.5),floor(-5.5);
select ceiling(5.5),ceiling(-5.5);
explain extended select ceiling(5.5),ceiling(-5.5);
select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
explain extended select truncate(52.64,1),truncate(52.64,2),truncate(52.64,-1),truncate(52.64,-2), truncate(-52.64,1),truncate(-52.64,-1);
select round(5.5),round(-5.5);
explain extended select round(5.5),round(-5.5);
select round(5.64,1),round(5.64,2),round(5.64,-1),round(5.64,-2);
select abs(-10), sign(-5), sign(5), sign(0);
explain extended select abs(-10), sign(-5), sign(5), sign(0);
select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
explain extended select log(exp(10)),exp(log(sqrt(10))*2),log(-1),log(NULL),log(1,1),log(3,9),log(-1,2),log(NULL,2);
select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
explain extended select ln(exp(10)),exp(ln(sqrt(10))*2),ln(-1),ln(0),ln(NULL);
select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
explain extended select log2(8),log2(15),log2(-2),log2(0),log2(NULL);
select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
explain extended select log10(100),log10(18),log10(-4),log10(0),log10(NULL);
select pow(10,log10(10)),power(2,4);
explain extended select pow(10,log10(10)),power(2,4);
set @@rand_seed1=10000000,@@rand_seed2=1000000;
select rand(999999),rand();
explain extended select rand(999999),rand();
select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
explain extended select pi(),sin(pi()/2),cos(pi()/2),abs(tan(pi())),cot(1),asin(1),acos(0),atan(1);
select degrees(pi()),radians(360);
explain extended select degrees(pi()),radians(360);

2
mysql-test/t/func_op.test
View file

@ -3,5 +3,7 @@
# Simple operands and arithmetic grouping
select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
explain extended select 1+1,1-1,1+1*2,8/5,8%5,mod(8,5),mod(8,5)|0,-(1+1)*-2;
select 1 | (1+1),5 & 3,bit_count(7) ;
explain extended select 1 | (1+1),5 & 3,bit_count(7) ;
select 1 << 32,1 << 63, 1 << 64, 4 >> 2, 4 >> 63, 1<< 63 >> 60;

1
mysql-test/t/func_regexp.test
View file

@ -36,6 +36,7 @@ drop table t1;
create table t1 (xxx char(128));
insert into t1 (xxx) values('this is a test of some long text to see what happens');
select * from t1 where xxx regexp('is a test of some long text to');
explain extended select * from t1 where xxx regexp('is a test of some long text to');
select * from t1 where xxx regexp('is a test of some long text to ');
select * from t1 where xxx regexp('is a test of some long text to s');
select * from t1 where xxx regexp('is a test of some long text to se');

1
mysql-test/t/func_set.test
View file

@ -3,6 +3,7 @@
#
select interval(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
explain extended select INTERVAL(55,10,20,30,40,50,60,70,80,90,100),interval(3,1,1+1,1+1+1+1),field("IBM","NCA","ICL","SUN","IBM","DIGITAL"),field("A","B","C"),elt(2,"ONE","TWO","THREE"),interval(0,1,2,3,4),elt(1,1,2,3)|0,elt(1,1.1,1.2,1.3)+0;
select find_in_set("b","a,b,c"),find_in_set("c","a,b,c"),find_in_set("dd","a,bbb,dd"),find_in_set("bbb","a,bbb,dd");
select find_in_set("d","a,b,c"),find_in_set("dd","a,bbb,d"),find_in_set("bb","a,bbb,dd");
select make_set(0,'a','b','c'),make_set(-1,'a','b','c'),make_set(1,'a','b','c'),make_set(2,'a','b','c'),make_set(1+2,concat('a','b'),'c');

7
mysql-test/t/func_str.test
View file

@ -14,7 +14,9 @@ select 'hello',"'hello'",'""hello""','''h''e''l''l''o''',"hel""lo",'hel\'lo';
select 'hello' 'monty';
select length('\n\t\r\b\0\_\%\\');
select bit_length('\n\t\r\b\0\_\%\\');
select concat('monty',' was here ','again'),length('hello'),char(ascii('h'));
select char_length('\n\t\r\b\0\_\%\\');
select length(_latin1'\n\t\n\b\0\\_\\%\\');
select concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h');
select locate('he','hello'),locate('he','hello',2),locate('lo','hello',2) ;
select instr('hello','HE'), instr('hello',binary 'HE'), instr(binary 'hello','HE');
select position(binary 'll' in 'hello'),position('a' in binary 'hello');
@ -46,6 +48,7 @@ select null sounds like 'null';
select 'null' sounds like null;
select null sounds like null;
select md5('hello');
select crc32("123");
select sha('abc');
select sha1('abc');
select aes_decrypt(aes_encrypt('abc','1'),'1');
@ -336,3 +339,5 @@ INSERT INTO t1 VALUES ('Congress reconvenes in September to debate welfare and a
INSERT INTO t1 VALUES ('House passes the CAREERS bill');
SELECT CONCAT("</a>",RPAD("",(55 - LENGTH(title)),".")) from t1;
DROP TABLE t1;
explain extended select md5('hello'), sha('abc'), sha1('abc'), soundex(''), 'mood' sounds like 'mud', aes_decrypt(aes_encrypt('abc','1'),'1'),concat('*',space(5),'*'), reverse('abc'), rpad('a',4,'1'), lpad('a',4,'1'), concat_ws(',','',NULL,'a'),make_set(255,_latin2'a',_latin2'b',_latin2'c'),elt(2,1),locate("a","b",2),format(130,10),char(0),conv(130,16,10),hex(130),binary 'HE', export_set(255,_latin2'y',_latin2'n',_latin2' '),FIELD('b' COLLATE latin1_bin,'A','B'),FIND_IN_SET(_latin1'B',_latin1'a,b,c,d'),collation(conv(130,16,10)), coercibility(conv(130,16,10)),length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),bit_length('\n\t\r\b\0\_\%\\'),concat('monty',' was here ','again'),length('hello'),char(ascii('h')),ord('h'),quote(1/0),crc32("123");

1
mysql-test/t/func_system.test
View file

@ -17,6 +17,7 @@ select version()>="3.23.29";
select version()>=_utf8"3.23.29";
select version()>=_latin1"3.23.29";
select charset(version());
explain extended select database(), user();
create table t1 (version char(40)) select database(), user(), version() as 'version';
show create table t1;

7
mysql-test/t/func_test.test
View file

@ -19,13 +19,19 @@ select 'b' between 'a' and 'c', 'B' between 'a' and 'c';
select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
select -1.49 or -1.49,0.6 or 0.6;
select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
explain extended select 3 ^ 11, 1 ^ 1, 1 ^ 0, 1 ^ NULL, NULL ^ 1;
select 1 XOR 1, 1 XOR 0, 0 XOR 1, 0 XOR 0, NULL XOR 1, 1 XOR NULL, 0 XOR NULL;
select 10 % 7, 10 mod 7, 10 div 3;
explain extended select 10 % 7, 10 mod 7, 10 div 3;
select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
explain extended select (1 << 64)-1, ((1 << 64)-1) DIV 1, ((1 << 64)-1) DIV 2;
create table t1 (a int);
insert t1 values (1);
select * from t1 where 1 xor 1;
explain extended select * from t1 where 1 xor 1;
select - a from t1;
explain extended select - a from t1;
drop table t1;
#
@ -41,6 +47,7 @@ select 1 and 0 or 2, 2 or 1 and 0;
#
select _koi8r'a' = _koi8r'A';
select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
explain extended select _koi8r'a' = _koi8r'A' COLLATE koi8r_general_ci;
select _koi8r'a' = _koi8r'A' COLLATE koi8r_bin;
select _koi8r'a' COLLATE koi8r_general_ci = _koi8r'A';
select _koi8r'a' COLLATE koi8r_bin = _koi8r'A';

3
mysql-test/t/func_time.test
View file

@ -7,6 +7,7 @@ drop table if exists t1,t2,t3;
select from_days(to_days("960101")),to_days(960201)-to_days("19960101"),to_days(date_add(curdate(), interval 1 day))-to_days(curdate()),weekday("1997-11-29");
select period_add("9602",-12),period_diff(199505,"9404") ;
select now()-now(),weekday(curdate())-weekday(now()),unix_timestamp()-unix_timestamp(now());
select from_unixtime(unix_timestamp("1994-03-02 10:11:12")),from_unixtime(unix_timestamp("1994-03-02 10:11:12"),"%Y-%m-%d %h:%i:%s"),from_unixtime(unix_timestamp("1994-03-02 10:11:12"))+0;
select sec_to_time(9001),sec_to_time(9001)+0,time_to_sec("15:12:22"),
@ -231,3 +232,5 @@ select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"
select strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0;
select strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0;
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);

2
mysql-test/t/group_by.test
View file

@ -260,7 +260,7 @@ explain select spid,count(*) from t1 where spid between 1 and 2 group by spid;
explain select spid,count(*) from t1 where spid between 1 and 2 group by spid order by null;
select spid,count(*) from t1 where spid between 1 and 2 group by spid;
select spid,count(*) from t1 where spid between 1 and 2 group by spid desc;
explain select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain extended select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain select sql_big_result spid,sum(userid) from t1 group by spid desc order by null;
select sql_big_result spid,sum(userid) from t1 group by spid desc;
explain select sql_big_result score,count(*) from t1 group by score desc;

1
mysql-test/t/having.test
View file

@ -10,6 +10,7 @@ select count(a) as b from t1 where a=0 having b > 0;
insert into t1 values (null);
select count(a) as b from t1 where a=0 having b > 0;
select count(a) as b from t1 where a=0 having b >=0;
explain extended select count(a) as b from t1 where a=0 having b >=0;
drop table t1;
#

2
mysql-test/t/insert_update.test
View file

@ -23,4 +23,6 @@ INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
SELECT * FROM t1;
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
SELECT *, VALUES(a) FROM t1;
explain extended SELECT *, VALUES(a) FROM t1;
explain extended select * from t1 where values(a);
DROP TABLE t1;

3
mysql-test/t/null.test
View file

@ -8,6 +8,7 @@ drop table if exists t1;
#
select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
explain extended select null,\N,isnull(null),isnull(1/0),isnull(1/0 = null),ifnull(null,1),ifnull(null,"TRUE"),ifnull("TRUE","ERROR"),1/0 is null,1 is not null;
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
select NULL=NULL,NULL<>NULL,IFNULL(NULL,1.1)+0,IFNULL(NULL,1) | 0;
select strcmp("a",NULL),(1<NULL)+0.0,NULL regexp "a",null like "a%","a%" like null;
@ -15,10 +16,12 @@ select concat("a",NULL),replace(NULL,"a","b"),replace("string","i",NULL),replace
select repeat("a",0),repeat("ab",5+5),repeat("ab",-1),reverse(NULL);
select field(NULL,"a","b","c");
select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
explain extended select 2 between null and 1,2 between 3 AND NULL,NULL between 1 and 2,2 between NULL and 3, 2 between 1 AND null;
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
SELECT (NULL OR NULL) IS NULL;
select NULL AND 0, 0 and NULL;
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
create table t1 (x int);
insert into t1 values (null);

2
mysql-test/t/olap.test
View file

@ -32,7 +32,7 @@ select product, sum(profit),avg(profit) from t1 group by product with rollup;
# Sub totals
select product, country_id , year, sum(profit) from t1 group by product, country_id, year;
select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
explain select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
explain extended select product, country_id , year, sum(profit) from t1 group by product, country_id, year with rollup;
select product, country_id , sum(profit) from t1 group by product desc, country_id with rollup;
# limit

1
mysql-test/t/query_cache.test
View file

@ -184,6 +184,7 @@ select RAND() from t1;
select UNIX_TIMESTAMP() from t1;
select USER() from t1;
select benchmark(1,1) from t1;
explain extended select benchmark(1,1) from t1;
show status like "Qcache_queries_in_cache";
#
# Tests when the cache is filled

1
mysql-test/t/row.test
View file

@ -18,6 +18,7 @@ select (1,2,(3,4)) IN ((3,2,(3,4)), (1,2,(3,4)));
-- error 1240
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,4));
select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
explain extended select row(1,2,row(3,4)) IN (row(3,2,row(3,4)), row(1,2,row(3,NULL)));
SELECT (1,2,3)=(0,NULL,3);
SELECT (1,2,3)=(1,NULL,3);

2
mysql-test/t/rpl000001.test
View file

@ -62,10 +62,12 @@ enable_query_log;
# Try to cause a large relay log lag on the slave
connection slave;
select get_lock("hold_slave",10);
explain extended select get_lock("hold_slave",10);
start slave;
#hope this is long enough for I/O thread to fetch over 16K relay log data
sleep 3;
select release_lock("hold_slave");
explain extended select release_lock("hold_slave");
unlock tables;
connection master;

4
mysql-test/t/rpl_get_lock.test
View file

@ -5,6 +5,7 @@ insert into t1 values(get_lock("lock",2));
dirty_close master;
connection master1;
select get_lock("lock",2);
select release_lock("lock");
#ignore
disable_query_log;
@ -21,7 +22,8 @@ connection slave;
sync_with_master;
select get_lock("lock",3);
select * from t1;
select is_free_lock("lock");
select is_free_lock("lock"), is_used_lock("lock");
explain extended select is_free_lock("lock"), is_used_lock("lock");
# Check lock functions
select is_free_lock("lock2");
select is_free_lock(NULL);

1
mysql-test/t/rpl_master_pos_wait.test
View file

@ -7,6 +7,7 @@ sync_with_master;
# Ask for a master log that has certainly not been reached yet
# timeout= 2 seconds
select master_pos_wait('master-bin.999999',0,2);
explain extended select master_pos_wait('master-bin.999999',0,2);
# Testcase for bug 651 (master_pos_wait() hangs if slave idle and STOP SLAVE).
send select master_pos_wait('master-bin.999999',0);
connection slave1;

1
mysql-test/t/select.test
View file

@ -1596,6 +1596,7 @@ select count(*) from t1;
select companynr,count(*),sum(fld1) from t2 group by companynr;
select companynr,count(*) from t2 group by companynr order by companynr desc limit 5;
select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
explain extended select count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 where companynr = 34 and fld4<>"";
select companynr,count(*),min(fld4),max(fld4),sum(fld1),avg(fld1),std(fld1),variance(fld1) from t2 group by companynr limit 3;
select companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;
select /*! SQL_SMALL_RESULT */ companynr,t2nr,count(price),sum(price),min(price),max(price),avg(price) from t3 where companynr = 37 group by companynr,t2nr limit 10;

88
mysql-test/t/subselect.test
View file

@ -4,11 +4,11 @@ drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
--enable_warnings
select (select 2);
explain select (select 2);
explain extended select (select 2);
SELECT (SELECT 1) UNION SELECT (SELECT 2);
explain SELECT (SELECT 1) UNION SELECT (SELECT 2);
explain extended SELECT (SELECT 1) UNION SELECT (SELECT 2);
SELECT (SELECT (SELECT 0 UNION SELECT 0));
explain SELECT (SELECT (SELECT 0 UNION SELECT 0));
explain extended SELECT (SELECT (SELECT 0 UNION SELECT 0));
-- error 1246
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
-- error 1246
@ -16,7 +16,7 @@ SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1)
SELECT (SELECT 1),MAX(1) FROM (SELECT 1) as a;
-- error 1246
SELECT (SELECT a) as a;
EXPLAIN SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
EXPLAIN EXTENDED SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
-- error 1054
SELECT (SELECT 1), a;
@ -74,17 +74,17 @@ insert into t3 values (6),(7),(3);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain extended (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
explain select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
explain extended select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a > t1.a) order by 1 desc limit 1);
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3 where t3.a < t1.a) order by 1 desc limit 1);
select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
explain extended select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
select * from t3 where exists (select * from t2 where t2.b=t3.a);
select * from t3 where not exists (select * from t2 where t2.b=t3.a);
select * from t3 where a in (select b from t2);
@ -100,7 +100,7 @@ insert into t2 values (100, 5);
select * from t3 where a < any (select b from t2);
select * from t3 where a < all (select b from t2);
select * from t3 where a >= any (select b from t2);
explain select * from t3 where a >= any (select b from t2);
explain extended select * from t3 where a >= any (select b from t2);
select * from t3 where a >= all (select b from t2);
delete from t2 where a=100;
-- error 1240
@ -120,7 +120,7 @@ insert into t5 values (5);
select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
insert into t5 values (2);
select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
explain extended select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
-- error 1241
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@ -128,7 +128,7 @@ create table t7( uq int primary key, name char(25));
insert into t7 values(1,"Oblastnaia bolnitsa"),(2,"Bolnitsa Krasnogo Kresta");
insert into t6 values (1,1),(1,2),(2,2),(1,3);
select * from t6 where exists (select * from t7 where uq = clinic_uq);
explain select * from t6 where exists (select * from t7 where uq = clinic_uq);
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
# not unique fields
-- error 1052
@ -157,7 +157,7 @@ CREATE TABLE `t8` (
INSERT INTO t8 (pseudo,email) VALUES ('joce','test');
INSERT INTO t8 (pseudo,email) VALUES ('joce1','test1');
INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
EXPLAIN EXTENDED SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
-- error 1240
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
@ -180,14 +180,14 @@ CREATE TABLE `t1` (
) TYPE=MyISAM ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (topic,date,pseudo) VALUES
('43506','2002-10-02','joce'),('40143','2002-08-03','joce');
EXPLAIN SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
EXPLAIN EXTENDED SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
EXPLAIN EXTENDED SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
SELECT (SELECT DISTINCT date FROM t1 WHERE date='2002-08-03');
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL SELECT 1;
-- error 1241
SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1=(SELECT 1 UNION SELECT 1);
drop table t1;
#forumconthardwarefr7 searchconthardwarefr7
@ -276,9 +276,9 @@ SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=a) FROM (SELECT
SELECT numreponse, (SELECT numeropost FROM t1 HAVING numreponse=1) FROM (SELECT * FROM t1) as a;
INSERT INTO t1 (numeropost,numreponse,pseudo) VALUES (1,1,'joce'),(1,2,'joce'),(1,3,'test');
-- error 1241
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT 1 FROM t1 WHERE numeropost='1');
EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
drop table t1;
CREATE TABLE t1 (a int(1));
@ -395,11 +395,11 @@ SELECT * FROM (SELECT 1) b WHERE 1 IN (SELECT *);
CREATE TABLE t2 (id int(11) default NULL, KEY id (id)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t2 VALUES (1),(2);
SELECT * FROM t2 WHERE id IN (SELECT 1);
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1);
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
-- error 1093
@ -455,7 +455,7 @@ select 1.5 > ALL (SELECT * from t1);
select 10.5 > ALL (SELECT * from t1);
select 1.5 > ANY (SELECT * from t1);
select 10.5 > ANY (SELECT * from t1);
explain select (select a+1) from t1;
explain extended select (select a+1) from t1;
select (select a+1) from t1;
drop table t1;
@ -468,11 +468,11 @@ CREATE TABLE t2 (a int(11) default '0', INDEX (a));
INSERT INTO t1 VALUES (1),(2),(3),(4);
INSERT INTO t2 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
explain SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2) FROM t1;
CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
explain SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
explain extended SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
drop table t1,t2,t3;
#LIMIT is not supported now
@ -549,9 +549,9 @@ drop table t1;
#test of uncacheable subqueries
CREATE TABLE t1 (a int(1));
EXPLAIN SELECT (SELECT RAND() FROM t1) FROM t1;
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT RAND() FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
drop table t1;
@ -613,7 +613,7 @@ drop table t1;
create table t1 (a int);
insert into t1 values (1), (2), (3);
explain select a,(select (select rand() from t1 limit 1) from t1 limit 1)
explain extended select a,(select (select rand() from t1 limit 1) from t1 limit 1)
from t1;
drop table t1;
@ -677,10 +677,10 @@ CREATE TABLE `t1` (
) TYPE=MyISAM PACK_KEYS=1 ROW_FORMAT=DYNAMIC;
INSERT INTO t1 (pseudo) VALUES ('test');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
drop table t1;
CREATE TABLE `t1` (
@ -727,7 +727,7 @@ drop table t1;
#
create table t1 (id int not null auto_increment primary key, salary int, key(salary));
insert into t1 (salary) values (100),(1000),(10000),(10),(500),(5000),(50000);
explain SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
explain extended SELECT id FROM t1 where salary = (SELECT MAX(salary) FROM t1);
drop table t1;
CREATE TABLE t1 (
@ -824,11 +824,11 @@ insert into t1 values (1,10), (2,20), (3,30), (4,40);
insert into t2 values (2), (3), (4), (5);
insert into t3 values (10,3), (20,4), (30,5);
select * from t2 where t2.a in (select a from t1);
explain select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a));
@ -846,15 +846,15 @@ enable_query_log;
insert into t2 values (2), (3), (4), (5);
insert into t3 values (10,3), (20,4), (30,5);
select * from t2 where t2.a in (select a from t1);
explain select * from t2 where t2.a in (select a from t1);
explain extended select * from t2 where t2.a in (select a from t1);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30 and t1.b <> 31);
explain select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
explain extended select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
drop table t1, t2, t3;
#
@ -935,7 +935,7 @@ create table t1 (s1 char(5));
select (select 'a','b' from t1 union select 'a','b' from t1) from t1;
insert into t1 values ('tttt');
select * from t1 where ('a','b')=(select 'a','b' from t1 union select 'a','b' from t1);
explain (select * from t1);
explain extended (select * from t1);
(select * from t1);
drop table t1;
@ -950,10 +950,10 @@ select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
explain select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
explain select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
explain select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
drop table t1,t2;
#
@ -963,14 +963,14 @@ create table t2 (a int, b int);
create table t3 (a int);
insert into t3 values (6),(7),(3);
select * from t3 where a >= all (select b from t2);
explain select * from t3 where a >= all (select b from t2);
explain extended select * from t3 where a >= all (select b from t2);
#
# optimized static ALL/ANY with grouping
#
insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a);
explain select * from t3 where a > all (select max(b) from t2 group by a);
explain extended select * from t3 where a > all (select max(b) from t2 group by a);
drop table t2, t3;
#

4
mysql-test/t/type_blob.test
View file

@ -298,6 +298,10 @@ select
charset(load_file('../../std_data/words.dat')),
collation(load_file('../../std_data/words.dat')),
coercibility(load_file('../../std_data/words.dat'));
explain extended select
charset(load_file('../../std_data/words.dat')),
collation(load_file('../../std_data/words.dat')),
coercibility(load_file('../../std_data/words.dat'));
update t1 set imagem=load_file('../../std_data/words.dat') where id=1;
select if(imagem is null, "ERROR", "OK"),length(imagem) from t1 where id = 1;
drop table t1;

4
mysql-test/t/union.test
View file

@ -25,7 +25,7 @@ select 't1',b,count(*) from t1 group by b UNION select 't2',b,count(*) from t2 g
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
--error 1249
(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b;
explain (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
explain extended (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
(select sql_calc_found_rows a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 2;
select found_rows();
select sql_calc_found_rows a,b from t1 union all select a,b from t2 limit 2;
@ -275,7 +275,7 @@ create table t2 (a int not null primary key auto_increment, b int);
insert into t1 (b) values (1),(2),(2),(3);
insert into t2 (b) values (10),(11),(12),(13);
explain (select * from t1 where a=1) union (select * from t2 where a=1);
explain extended (select * from t1 where a=1) union (select * from t2 where a=1);
(select * from t1 where a=5) union (select * from t2 where a=1);
(select * from t1 where a=5 and a=6) union (select * from t2 where a=1);
(select t1.a,t1.b from t1,t2 where t1.a=5) union (select * from t2 where a=1);

2
mysql-test/t/varbinary.test
View file

@ -18,7 +18,7 @@ select x'31',X'ffff'+0;
create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
insert into t1 set UNIQ=0x38afba1d73e6a18a;
insert into t1 set UNIQ=123;
explain select * from t1 where UNIQ=0x38afba1d73e6a18a;
explain extended select * from t1 where UNIQ=0x38afba1d73e6a18a;
drop table t1;
#

3
mysql-test/t/variables.test
View file

@ -16,6 +16,7 @@ select @test_int,@test_double,@test_string,@test_string2;
set @test_int=null,@test_double=null,@test_string=null,@test_string2=null;
select @test_int,@test_double,@test_string,@test_string2;
select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
explain extended select @t1:=(@t2:=1)+@t3:=4,@t1,@t2,@t3;
select @t5;
#
@ -52,7 +53,9 @@ select @@local.max_join_size, @@global.max_join_size;
select @@identity, length(@@version)>0;
select @@VERSION=version();
select last_insert_id(345);
explain extended select last_insert_id(345);
select @@IDENTITY,last_insert_id(), @@identity;
explain extended select @@IDENTITY,last_insert_id(), @@identity;
set big_tables=OFF, big_tables=ON, big_tables=0, big_tables=1, big_tables="OFF", big_tables="ON";

141
sql/item.cc
View file

@ -87,6 +87,19 @@ Item::Item(THD *c_thd, Item &item):
thd->free_list= this;
}
void Item::print_item_w_name(String *str)
{
print(str);
if (name)
{
str->append(" AS `", 5);
str->append(name);
str->append('`');
}
}
// Constructor used by Item_field & Item_ref (see Item comment)
Item_ident::Item_ident(THD *thd, Item_ident &item):
Item(thd, item),
@ -422,6 +435,7 @@ bool Item_field::eq(const Item *item, bool binary_cmp) const
db_name))))));
}
table_map Item_field::used_tables() const
{
if (field->table->const_table)
@ -429,6 +443,7 @@ table_map Item_field::used_tables() const
return (depended_from ? OUTER_REF_TABLE_BIT : field->table->map);
}
Item *Item_field::get_tmp_table_item(THD *thd)
{
Item_field *new_item= new Item_field(thd, *this);
@ -437,6 +452,7 @@ Item *Item_field::get_tmp_table_item(THD *thd)
return new_item;
}
String *Item_int::val_str(String *str)
{
str->set(value, default_charset());
@ -445,28 +461,24 @@ String *Item_int::val_str(String *str)
void Item_int::print(String *str)
{
if (!name)
{
str_value.set(value, default_charset());
name=str_value.c_ptr();
}
str->append(name);
// latin1 is good enough for numbers
str_value.set(value, &my_charset_latin1);
str->append(str_value);
}
String *Item_uint::val_str(String *str)
{
str->set((ulonglong) value, default_charset());
return str;
}
void Item_uint::print(String *str)
{
if (!name)
{
str_value.set((ulonglong) value, default_charset());
name=str_value.c_ptr();
}
str->append(name);
// latin1 is good enough for numbers
str_value.set((ulonglong) value, default_charset());
str->append(str_value);
}
@ -476,10 +488,46 @@ String *Item_real::val_str(String *str)
return str;
}
void Item_string::print(String *str)
{
str->append('_');
str->append(collation.collation->csname);
str->append('\'');
str->append(full_name());
char *st= (char*)str_value.ptr(), *end= st+str_value.length();
for(; st < end; st++)
{
uchar c= *st;
switch (c)
{
case '\\':
str->append("\\\\", 2);
break;
case '\0':
str->append("\\0", 2);
break;
case '\'':
str->append("\\'", 2);
break;
case '\n':
str->append("\\n", 2);
break;
case '\r':
str->append("\\r", 2);
break;
case '\t':
str->append("\\t", 2);
break;
case '\b':
str->append("\\b", 2);
break;
case 26: //Ctrl-Z
str->append("\\z", 2);
break;
default:
str->append(c);
}
}
str->append('\'');
}
@ -700,7 +748,7 @@ String *Item_param::query_val_str(String* str)
make_datetime(str, &ltime, is_time_only, 0,
tmp_format->format, tmp_format->format_length, 0);
}
str->append("'");
str->append('\'');
}
return str;
}
@ -777,7 +825,7 @@ static void mark_as_dependent(THD *thd, SELECT_LEX *last, SELECT_LEX *current,
// store pointer on SELECT_LEX from wich item is dependent
item->depended_from= last;
current->mark_as_dependent(last);
if (thd->lex.describe)
if (thd->lex.describe & DESCRIBE_EXTENDED)
{
char warn_buff[MYSQL_ERRMSG_SIZE];
sprintf(warn_buff, ER(ER_WARN_FIELD_RESOLVED),
@ -1533,6 +1581,34 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
}
void Item_ref::print(String *str)
{
if (ref && *ref)
(*ref)->print(str);
else
Item_ident::print(str);
}
void Item_ref_null_helper::print(String *str)
{
str->append("<ref_null_helper>(", 18);
if (ref && *ref)
(*ref)->print(str);
else
str->append('?');
str->append(')');
}
void Item_null_helper::print(String *str)
{
str->append("<null_helper>(", 14);
store->print(str);
str->append(')');
}
bool Item_default_value::eq(const Item *item, bool binary_cmp) const
{
return item->type() == DEFAULT_VALUE_ITEM &&
@ -1574,10 +1650,10 @@ void Item_default_value::print(String *str)
{
if (!arg)
{
str->append("DEFAULT");
str->append("default", 7);
return;
}
str->append("DEFAULT(");
str->append("default(", 8);
arg->print(str);
str->append(')');
}
@ -1630,7 +1706,7 @@ bool Item_insert_value::fix_fields(THD *thd, struct st_table_list *table_list, I
void Item_insert_value::print(String *str)
{
str->append("VALUE(");
str->append("values(", 7);
arg->print(str);
str->append(')');
}
@ -1754,6 +1830,34 @@ Item_cache* Item_cache::get_cache(Item_result type)
}
}
void Item_cache::print(String *str)
{
str->append("<cache>(", 8);
if (example)
example->print(str);
else
Item::print(str);
str->append(')');
}
void Item_cache_int::store(Item *item)
{
value= item->val_int_result();
null_value= item->null_value;
collation.set(item->collation);
}
void Item_cache_real::store(Item *item)
{
value= item->val_result();
null_value= item->null_value;
collation.set(item->collation);
}
void Item_cache_str::store(Item *item)
{
value_buff.set(buffer, sizeof(buffer), item->collation.collation);
@ -1804,6 +1908,7 @@ bool Item_cache_row::allocate(uint num)
bool Item_cache_row::setup(Item * item)
{
example= item;
if (!values && allocate(item->cols()))
return 1;
for (uint i= 0; i < item_count; i++)

36
sql/item.h
View file

@ -182,6 +182,7 @@ public:
{ return decimals != NOT_FIXED_DEC ? (DBL_DIG+2+decimals_par) : DBL_DIG+8;}
virtual bool const_item() const { return used_tables() == 0; }
virtual void print(String *str_arg) { str_arg->append(full_name()); }
void print_item_w_name(String *);
virtual void update_used_tables() {}
virtual void split_sum_func(Item **ref_pointer_array, List<Item> &fields) {}
virtual bool get_date(TIME *ltime,bool fuzzydate);
@ -318,6 +319,7 @@ public:
bool basic_const_item() const { return 1; }
Item *new_item() { return new Item_null(name); }
bool is_null() { return 1; }
void print(String *str) { str->append("NULL", 4); }
};
class Item_param :public Item
@ -368,6 +370,7 @@ public:
String *query_val_str(String *str);
enum_field_types field_type() const { return MYSQL_TYPE_STRING; }
Item *new_item() { return new Item_param(pos_in_query); }
void print(String *str) { str->append('?'); }
};
class Item_int :public Item
@ -640,6 +643,7 @@ public:
(*ref)->save_in_field(result_field, no_conversions);
}
Item *real_item() { return *ref; }
void print(String *str);
};
class Item_in_subselect;
@ -655,15 +659,7 @@ public:
longlong val_int();
String* val_str(String* s);
bool get_date(TIME *ltime, bool fuzzydate);
void print(String *str)
{
str->append("ref_null_helper(");
if (ref && *ref)
(*ref)->print(str);
else
str->append('?');
str->append(')');
}
void print(String *str);
};
class Item_null_helper :public Item_ref_null_helper
@ -675,6 +671,7 @@ public:
:Item_ref_null_helper(master, &store, table_name_par, field_name_par),
store(item)
{}
void print(String *str);
};
/*
@ -856,14 +853,16 @@ public:
class Item_cache: public Item
{
protected:
Item *example;
table_map used_table_map;
public:
Item_cache(): used_table_map(0) {fixed= 1; null_value= 1;}
Item_cache(): example(0), used_table_map(0) {fixed= 1; null_value= 1;}
void set_used_tables(table_map map) { used_table_map= map; }
virtual bool allocate(uint i) { return 0; };
virtual bool setup(Item *) { return 0; };
virtual bool setup(Item *item) { example= item; return 0; };
virtual void store(Item *)= 0;
void set_len_n_dec(uint32 max_len, uint8 dec)
{
@ -873,6 +872,7 @@ public:
enum Type type() const { return CACHE_ITEM; }
static Item_cache* get_cache(Item_result type);
table_map used_tables() const { return used_table_map; }
void print(String *str);
};
class Item_cache_int: public Item_cache
@ -881,12 +881,7 @@ class Item_cache_int: public Item_cache
public:
Item_cache_int(): Item_cache() {}
void store(Item *item)
{
value= item->val_int_result();
null_value= item->null_value;
collation.set(item->collation);
}
void store(Item *item);
double val() { return (double) value; }
longlong val_int() { return value; }
String* val_str(String *str) { str->set(value, default_charset()); return str; }
@ -899,12 +894,7 @@ class Item_cache_real: public Item_cache
public:
Item_cache_real(): Item_cache() {}
void store(Item *item)
{
value= item->val_result();
null_value= item->null_value;
collation.set(item->collation);
}
void store(Item *item);
double val() { return value; }
longlong val_int() { return (longlong) (value+(value > 0 ? 0.5 : -0.5)); }
String* val_str(String *str)

64
sql/item_cmpfunc.cc
View file

@ -113,6 +113,14 @@ longlong Item_func_not_all::val_int()
return (!null_value && value == 0) ? 1 : 0;
}
void Item_func_not_all::print(String *str)
{
if (show)
Item_func::print(str);
else
args[0]->print(str);
}
/*
Convert a constant expression or string to an integer.
This is done when comparing DATE's of different formats and
@ -707,6 +715,18 @@ longlong Item_func_between::val_int()
return 0;
}
void Item_func_between::print(String *str)
{
str->append('(');
args[0]->print(str);
str->append(" between ", 9);
args[1]->print(str);
str->append(" and ", 5);
args[2]->print(str);
str->append(')');
}
void
Item_func_ifnull::fix_length_and_dec()
{
@ -863,7 +883,7 @@ Item_func_nullif::fix_length_and_dec()
}
/*
nullif () returns NULL if arguments are different, else it returns the
nullif () returns NULL if arguments are equal, else it returns the
first argument.
Note that we have to evaluate the first argument twice as the compare
may have been done with a different type than return value
@ -1100,7 +1120,27 @@ void Item_func_case::fix_length_and_dec()
void Item_func_case::print(String *str)
{
str->append("case "); // Not yet complete
str->append("(case ", 6);
if (first_expr_num != -1)
{
args[first_expr_num]->print(str);
str->append(' ');
}
for (uint i=0 ; i < ncases ; i+=2)
{
str->append("when ", 5);
args[i]->print(str);
str->append(" then ", 6);
args[i+1]->print(str);
str->append(' ');
}
if (else_expr_num != -1)
{
str->append("else ", 5);
args[else_expr_num]->print(str);
str->append(' ');
}
str->append("end)", 4);
}
/*
@ -1507,8 +1547,15 @@ void Item_func_in::fix_length_and_dec()
void Item_func_in::print(String *str)
{
str->append('(');
Item_func::print(str);
str->append(')');
args[0]->print(str);
str->append(" in (", 5);
for (uint i=1 ; i < arg_count ; i++)
{
if (i > 1)
str->append(',');
args[i]->print(str);
}
str->append("))", 2);
}
@ -1882,12 +1929,21 @@ void Item_is_not_null_test::update_used_tables()
}
}
longlong Item_func_isnotnull::val_int()
{
return args[0]->is_null() ? 0 : 1;
}
void Item_func_isnotnull::print(String *str)
{
str->append('(');
args[0]->print(str);
str->append(" is not null)", 13);
}
longlong Item_func_like::val_int()
{
String* res = args[0]->val_str(&tmp_value1);

18
sql/item_cmpfunc.h
View file

@ -105,7 +105,7 @@ public:
Item_in_optimizer return NULL, else it evaluate Item_in_subselect.
*/
longlong val_int();
const char *func_name() const { return "IN_OPTIMIZER"; }
const char *func_name() const { return "<in_optimizer>"; }
Item_cache **get_cache() { return &cache; }
};
@ -162,12 +162,15 @@ class Item_func_not_all :public Item_func_not
{
bool abort_on_null;
public:
Item_func_not_all(Item *a) :Item_func_not(a), abort_on_null(0) {}
bool show;
Item_func_not_all(Item *a) :Item_func_not(a), abort_on_null(0), show(0) {}
virtual void top_level_item() { abort_on_null= 1; }
bool top_level() { return abort_on_null; }
longlong val_int();
enum Functype functype() const { return NOT_ALL_FUNC; }
const char *func_name() const { return "not_all"; }
const char *func_name() const { return "<not>"; }
void print(String *str);
};
class Item_func_eq :public Item_bool_rowready_func2
@ -272,6 +275,7 @@ public:
enum Functype functype() const { return BETWEEN; }
const char *func_name() const { return "between"; }
void fix_length_and_dec();
void print(String *str);
};
@ -354,6 +358,7 @@ public:
enum Item_result result_type () const { return cached_result_type; }
void fix_length_and_dec();
const char *func_name() const { return "nullif"; }
void print(String *str) { Item_func::print(str); }
table_map not_null_tables() const { return 0; }
};
@ -714,7 +719,7 @@ public:
{}
enum Functype functype() const { return ISNOTNULLTEST_FUNC; }
longlong val_int();
const char *func_name() const { return "is_not_null_test"; }
const char *func_name() const { return "<is_not_null_test>"; }
void update_used_tables();
};
@ -733,6 +738,7 @@ public:
optimize_type select_optimize() const { return OPTIMIZE_NULL; }
table_map not_null_tables() const { return 0; }
Item *neg_transformer();
void print(String *str);
};
@ -785,7 +791,8 @@ public:
~Item_func_regex();
longlong val_int();
bool fix_fields(THD *thd, struct st_table_list *tlist, Item **ref);
const char *func_name() const { return "regex"; }
const char *func_name() const { return "regexp"; }
void print(String *str) { print_op(str); }
};
#else
@ -796,6 +803,7 @@ public:
Item_func_regex(Item *a,Item *b) :Item_bool_func(a,b) {}
longlong val_int() { return 0;}
const char *func_name() const { return "regex"; }
void print(String *str) { print_op(str); }
};
#endif /* USE_REGEX */

2
sql/item_create.cc
View file

@ -292,7 +292,7 @@ Item *create_func_period_diff(Item* a, Item *b)
Item *create_func_pi(void)
{
return new Item_real(NullS,M_PI,6,8);
return new Item_real("pi()",M_PI,6,8);
}
Item *create_func_pow(Item* a, Item *b)

84
sql/item_func.cc
View file

@ -287,13 +287,19 @@ void Item_func::print(String *str)
{
str->append(func_name());
str->append('(');
print_args(str);
str->append(')');
}
void Item_func::print_args(String *str)
{
for (uint i=0 ; i < arg_count ; i++)
{
if (i)
str->append(',');
args[i]->print(str);
}
str->append(')');
}
@ -462,6 +468,24 @@ String *Item_num_op::val_str(String *str)
}
void Item_func_signed::print(String *str)
{
str->append("cast(", 5);
args[0]->print(str);
str->append(" as signed)", 11);
}
void Item_func_unsigned::print(String *str)
{
str->append("cast(", 5);
args[0]->print(str);
str->append(" as unsigned)", 13);
}
double Item_func_plus::val()
{
double value=args[0]->val()+args[1]->val();
@ -1184,6 +1208,21 @@ longlong Item_func_locate::val_int()
}
void Item_func_locate::print(String *str)
{
str->append("locate(", 7);
args[1]->print(str);
str->append(',');
args[0]->print(str);
if (arg_count == 3)
{
str->append(',');
args[2]->print(str);
}
str->append(')');
}
longlong Item_func_field::val_int()
{
if (cmp_type == STRING_RESULT)
@ -1764,7 +1803,7 @@ void item_user_lock_release(ULL *ull)
String tmp(buf,sizeof(buf), system_charset_info);
tmp.copy(command, strlen(command), tmp.charset());
tmp.append(ull->key,ull->key_length);
tmp.append("\")");
tmp.append("\")", 2);
Query_log_event qev(current_thd, tmp.ptr(), tmp.length(),1);
qev.error_code=0; // this query is always safe to run on slave
mysql_bin_log.write(&qev);
@ -2049,6 +2088,19 @@ longlong Item_func_benchmark::val_int()
}
void Item_func_benchmark::print(String *str)
{
str->append("benchmark(", 10);
char buffer[20];
// latin1 is good enough for numbers
String st(buffer, sizeof(buffer), &my_charset_latin1);
st.set((ulonglong)loop_count, &my_charset_latin1);
str->append(st);
str->append(',');
args[0]->print(str);
str->append(')');
}
#define extra_size sizeof(double)
static user_var_entry *get_variable(HASH *hash, LEX_STRING &name,
@ -2387,9 +2439,9 @@ String *Item_func_set_user_var::val_str(String *str)
void Item_func_set_user_var::print(String *str)
{
str->append("(@@",3);
str->append(name.str,name.length);
str->append(":=",2);
str->append("(@", 2);
str->append(name.str, name.length);
str->append(":=", 2);
args[0]->print(str);
str->append(')');
}
@ -2535,7 +2587,7 @@ enum Item_result Item_func_get_user_var::result_type() const
void Item_func_get_user_var::print(String *str)
{
str->append('@');
str->append("(@", 2);
str->append(name.str,name.length);
str->append(')');
}
@ -2815,6 +2867,26 @@ double Item_func_match::val()
table->record[0], 0));
}
void Item_func_match::print(String *str)
{
str->append("(match ", 7);
List_iterator_fast<Item> li(fields);
Item *item;
bool first= 1;
while ((item= li++))
{
if (first)
first= 0;
else
str->append(',');
item->print(str);
}
str->append(" against (", 10);
args[0]->print(str);
if (mode == FT_BOOL)
str->append(" in boolean mode", 16);
str->append("))", 2);
}
longlong Item_func_bit_xor::val_int()
{

13
sql/item_func.h
View file

@ -125,6 +125,7 @@ public:
virtual void split_sum_func(Item **ref_pointer_array, List<Item> &fields);
void print(String *str);
void print_op(String *str);
void print_args(String *str);
void fix_num_length_and_dec();
inline bool get_arg0_date(TIME *ltime,bool fuzzy_date)
{
@ -215,6 +216,7 @@ public:
longlong val_int() { return args[0]->val_int(); }
void fix_length_and_dec()
{ max_length=args[0]->max_length; unsigned_flag=0; }
void print(String *str);
};
@ -226,6 +228,7 @@ public:
longlong val_int() { return args[0]->val_int(); }
void fix_length_and_dec()
{ max_length=args[0]->max_length; unsigned_flag=1; }
void print(String *str);
};
@ -607,6 +610,7 @@ public:
const char *func_name() const { return "locate"; }
longlong val_int();
void fix_length_and_dec();
void print(String *str);
};
@ -663,6 +667,7 @@ public:
longlong val_int();
const char *func_name() const { return "|"; }
void fix_length_and_dec() { unsigned_flag=1; }
void print(String *str) { print_op(str); }
};
class Item_func_bit_and :public Item_int_func
@ -672,6 +677,7 @@ public:
longlong val_int();
const char *func_name() const { return "&"; }
void fix_length_and_dec() { unsigned_flag=1; }
void print(String *str) { print_op(str); }
};
class Item_func_bit_count :public Item_int_func
@ -690,6 +696,7 @@ public:
longlong val_int();
const char *func_name() const { return "<<"; }
void fix_length_and_dec() { unsigned_flag=1; }
void print(String *str) { print_op(str); }
};
class Item_func_shift_right :public Item_int_func
@ -698,6 +705,7 @@ public:
Item_func_shift_right(Item *a,Item *b) :Item_int_func(a,b) {}
longlong val_int();
const char *func_name() const { return ">>"; }
void print(String *str) { print_op(str); }
};
class Item_func_bit_neg :public Item_int_func
@ -728,6 +736,7 @@ class Item_func_benchmark :public Item_int_func
longlong val_int();
const char *func_name() const { return "benchmark"; }
void fix_length_and_dec() { max_length=1; maybe_null=0; }
void print(String *str);
};
@ -1005,6 +1014,7 @@ public:
bool eq(const Item *, bool binary_cmp) const;
longlong val_int() { return val()!=0.0; }
double val();
void print(String *str);
bool fix_index();
void init_search(bool no_order);
@ -1018,6 +1028,7 @@ public:
longlong val_int();
const char *func_name() const { return "^"; }
void fix_length_xor_dec() { unsigned_flag=1; }
void print(String *str) { print_op(str); }
};
class Item_func_is_free_lock :public Item_int_func
@ -1026,7 +1037,7 @@ class Item_func_is_free_lock :public Item_int_func
public:
Item_func_is_free_lock(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "check_lock"; }
const char *func_name() const { return "is_free_lock"; }
void fix_length_and_dec() { decimals=0; max_length=1; maybe_null=1;}
};

3
sql/item_geofunc.h
View file

@ -118,6 +118,7 @@ public:
case SP_EXTERIORRING:
return "exteriorring";
default:
DBUG_ASSERT(0); // Should never happened
return "spatial_decomp_unknown";
}
}
@ -142,6 +143,7 @@ public:
case SP_INTERIORRINGN:
return "interiorringn";
default:
DBUG_ASSERT(0); // Should never happened
return "spatial_decomp_n_unknown";
}
}
@ -210,6 +212,7 @@ public:
case SP_OVERLAPS_FUNC:
return "overlaps";
default:
DBUG_ASSERT(0); // Should never happened
return "sp_unknown";
}
}

12
sql/item_row.cc
View file

@ -118,6 +118,18 @@ bool Item_row::check_cols(uint c)
return 0;
}
void Item_row::print(String *str)
{
str->append('(');
for (uint i= 0; i < arg_count; i++)
{
if (i)
str->append(',');
items[i]->print(str);
}
str->append(')');
}
bool Item_row::walk(Item_processor processor, byte *arg)
{
for (uint i= 0; i < arg_count; i++)

1
sql/item_row.h
View file

@ -68,6 +68,7 @@ public:
bool const_item() const { return const_item_cache; };
enum Item_result result_type() const { return ROW_RESULT; }
void update_used_tables();
void print(String *str);
bool walk(Item_processor processor, byte *arg);

54
sql/item_strfunc.cc
View file

@ -654,6 +654,17 @@ void Item_func_concat_ws::update_used_tables()
const_item_cache&=separator->const_item();
}
void Item_func_concat_ws::print(String *str)
{
str->append("concat_ws(", 10);
separator->print(str);
if (arg_count)
{
str->append(',');
print_args(str);
}
str->append(')');
}
String *Item_func_reverse::val_str(String *str)
{
@ -1613,6 +1624,19 @@ String *Item_func_format::val_str(String *str)
}
void Item_func_format::print(String *str)
{
str->append("format(", 7);
args[0]->print(str);
str->append(',');
// latin1 is good enough for numbers
char buffer[20];
String st(buffer, sizeof(buffer), &my_charset_latin1);
st.set((ulonglong)decimals, &my_charset_latin1);
str->append(st);
str->append(')');
}
void Item_func_elt::fix_length_and_dec()
{
max_length=0;
@ -1764,6 +1788,19 @@ String *Item_func_make_set::val_str(String *str)
}
void Item_func_make_set::print(String *str)
{
str->append("make_set(", 9);
item->print(str);
if (arg_count)
{
str->append(',');
print_args(str);
}
str->append(')');
}
String *Item_func_char::val_str(String *str)
{
str->length(0);
@ -2077,7 +2114,14 @@ void Item_func_conv_charset::fix_length_and_dec()
max_length = args[0]->max_length*conv_charset->mbmaxlen;
}
void Item_func_conv_charset::print(String *str)
{
str->append("convert(", 8);
args[0]->print(str);
str->append(" using ", 7);
str->append(conv_charset->csname);
str->append(')');
}
String *Item_func_conv_charset3::val_str(String *str)
{
@ -2271,6 +2315,14 @@ String *Item_func_hex::val_str(String *str)
}
void Item_func_binary::print(String *str)
{
str->append("cast(", 5);
args[0]->print(str);
str->append(" as binary)", 11);
}
#include <my_dir.h> // For my_stat
String *Item_load_file::val_str(String *str)

20
sql/item_strfunc.h
View file

@ -112,6 +112,7 @@ public:
return separator->walk(processor, arg) ||
Item_str_func::walk(processor, arg);
}
void print(String *str);
};
class Item_func_reverse :public Item_str_func
@ -120,6 +121,7 @@ public:
Item_func_reverse(Item *a) :Item_str_func(a) {}
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "reverse"; }
};
@ -324,10 +326,12 @@ public:
Item_func_encrypt(Item *a, Item *b): Item_str_func(a,b) {}
String *val_str(String *);
void fix_length_and_dec() { maybe_null=1; max_length = 13; }
const char *func_name() const { return "ecrypt"; }
};
#include "sql_crypt.h"
class Item_func_encode :public Item_str_func
{
protected:
@ -337,13 +341,16 @@ public:
Item_str_func(a),sql_crypt(seed) {}
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "encode"; }
};
class Item_func_decode :public Item_func_encode
{
public:
Item_func_decode(Item *a, char *seed): Item_func_encode(a,seed) {}
String *val_str(String *);
const char *func_name() const { return "decode"; }
};
@ -420,6 +427,7 @@ public:
return item->walk(processor, arg) ||
Item_str_func::walk(processor, arg);
}
void print(String *str);
};
@ -435,6 +443,7 @@ public:
max_length=args[0]->max_length+(args[0]->max_length-args[0]->decimals)/3;
}
const char *func_name() const { return "format"; }
void print(String *);
};
@ -520,7 +529,6 @@ class Item_func_binary :public Item_str_func
{
public:
Item_func_binary(Item *a) :Item_str_func(a) {}
const char *func_name() const { return "binary"; }
String *val_str(String *a)
{
String *tmp=args[0]->val_str(a);
@ -534,7 +542,7 @@ public:
collation.set(&my_charset_bin);
max_length=args[0]->max_length;
}
void print(String *str) { print_op(str); }
void print(String *str);
};
@ -597,7 +605,8 @@ public:
{ conv_charset=cs; }
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "conv_charset"; }
const char *func_name() const { return "convert"; }
void print(String *str);
};
class Item_func_set_collation :public Item_str_func
@ -607,7 +616,8 @@ public:
String *val_str(String *);
void fix_length_and_dec();
bool eq(const Item *item, bool binary_cmp) const;
const char *func_name() const { return "set_collation"; }
const char *func_name() const { return "collate"; }
void print(String *str) { print_op(str); }
};
class Item_func_conv_charset3 :public Item_str_func
@ -617,7 +627,7 @@ public:
:Item_str_func(arg1,arg2,arg3) {}
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "conv_charset3"; }
const char *func_name() const { return "convert"; }
};
class Item_func_charset :public Item_str_func

170
sql/item_subselect.cc
View file

@ -146,21 +146,25 @@ Item::Type Item_subselect::type() const
return SUBSELECT_ITEM;
}
void Item_subselect::fix_length_and_dec()
{
engine->fix_length_and_dec(0);
}
table_map Item_subselect::used_tables() const
{
return (table_map) (engine->dependent() ? used_tables_cache : 0L);
}
bool Item_subselect::const_item() const
{
return const_item_cache;
}
void Item_subselect::update_used_tables()
{
if (!engine->uncacheable())
@ -171,6 +175,15 @@ void Item_subselect::update_used_tables()
}
}
void Item_subselect::print(String *str)
{
str->append('(');
engine->print(str);
str->append(')');
}
Item_singlerow_subselect::Item_singlerow_subselect(st_select_lex *select_lex)
:Item_subselect(), value(0)
{
@ -184,11 +197,12 @@ Item_singlerow_subselect::Item_singlerow_subselect(st_select_lex *select_lex)
Item_maxmin_subselect::Item_maxmin_subselect(Item_subselect *parent,
st_select_lex *select_lex,
bool max)
bool max_arg)
:Item_singlerow_subselect()
{
DBUG_ENTER("Item_maxmin_subselect::Item_maxmin_subselect");
init(select_lex, new select_max_min_finder_subselect(this, max));
max= max_arg;
init(select_lex, new select_max_min_finder_subselect(this, max_arg));
max_columns= 1;
maybe_null= 1;
max_columns= 1;
@ -203,6 +217,12 @@ Item_maxmin_subselect::Item_maxmin_subselect(Item_subselect *parent,
DBUG_VOID_RETURN;
}
void Item_maxmin_subselect::print(String *str)
{
str->append(max?"<max>":"<min>", 5);
Item_singlerow_subselect::print(str);
}
void Item_singlerow_subselect::reset()
{
null_value= 1;
@ -245,7 +265,7 @@ Item_singlerow_subselect::select_transformer(JOIN *join)
*/
substitution->walk(&Item::remove_dependence_processor,
(byte *) select_lex->outer_select());
if (select_lex->where || select_lex->having)
if (join->conds || join->having)
{
Item *cond;
if (!join->having)
@ -365,6 +385,7 @@ String *Item_singlerow_subselect::val_str (String *str)
}
}
Item_exists_subselect::Item_exists_subselect(st_select_lex *select_lex):
Item_subselect()
{
@ -379,6 +400,14 @@ Item_exists_subselect::Item_exists_subselect(st_select_lex *select_lex):
DBUG_VOID_RETURN;
}
void Item_exists_subselect::print(String *str)
{
str->append("exists", 6);
Item_subselect::print(str);
}
bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit)
{
if (unit->fake_select_lex &&
@ -396,7 +425,7 @@ bool Item_in_subselect::test_limit(SELECT_LEX_UNIT *unit)
Item_in_subselect::Item_in_subselect(Item * left_exp,
st_select_lex *select_lex):
Item_exists_subselect(), upper_not(0)
Item_exists_subselect(), transformed(0), upper_not(0)
{
DBUG_ENTER("Item_in_subselect::Item_in_subselect");
left_expr= left_exp;
@ -412,8 +441,9 @@ Item_in_subselect::Item_in_subselect(Item * left_exp,
Item_allany_subselect::Item_allany_subselect(Item * left_exp,
compare_func_creator fn,
st_select_lex *select_lex)
:Item_in_subselect()
st_select_lex *select_lex,
bool all_arg)
:Item_in_subselect(), all(all_arg)
{
DBUG_ENTER("Item_in_subselect::Item_in_subselect");
left_expr= left_exp;
@ -800,6 +830,7 @@ Item_in_subselect::row_value_transformer(JOIN *join,
Item_subselect::trans_res
Item_in_subselect::select_transformer(JOIN *join)
{
transformed= 1;
if (left_expr->cols() == 1)
return single_value_transformer(join, left_expr,
&Item_bool_func2::eq_creator);
@ -807,12 +838,82 @@ Item_in_subselect::select_transformer(JOIN *join)
}
void Item_in_subselect::print(String *str)
{
if (transformed)
str->append("<exists>", 8);
else
{
left_expr->print(str);
str->append(" in ", 4);
}
Item_subselect::print(str);
}
Item_subselect::trans_res
Item_allany_subselect::select_transformer(JOIN *join)
{
transformed= 1;
if (upper_not)
upper_not->show= 1;
return single_value_transformer(join, left_expr, func);
}
void Item_allany_subselect::print(String *str)
{
if (transformed)
str->append("<exists>", 8);
else
{
left_expr->print(str);
str->append(' ');
if (all)
{
if (func == &Item_bool_func2::lt_creator)
str->append(">=", 2);
else if (func == &Item_bool_func2::gt_creator)
str->append("<=", 2);
else if (func == &Item_bool_func2::le_creator)
str->append('>');
else if (func == &Item_bool_func2::ge_creator)
str->append('<');
else if (func == &Item_bool_func2::eq_creator)
str->append("<>", 2);
else if (func == &Item_bool_func2::ne_creator)
str->append('=');
else
{
DBUG_ASSERT(0); // Impossible
}
str->append(" all ", 5);
}
else
{
if (func == &Item_bool_func2::lt_creator)
str->append('<');
else if (func == &Item_bool_func2::gt_creator)
str->append('>');
else if (func == &Item_bool_func2::le_creator)
str->append("<=", 2);
else if (func == &Item_bool_func2::ge_creator)
str->append(">=", 2);
else if (func == &Item_bool_func2::eq_creator)
str->append('=');
else if (func == &Item_bool_func2::ne_creator)
str->append("<>", 2);
else
{
DBUG_ASSERT(0); // Impossible
}
str->append(" any ", 5);
}
}
Item_subselect::print(str);
}
subselect_single_select_engine::
subselect_single_select_engine(st_select_lex *select,
select_subselect *result,
@ -1140,11 +1241,13 @@ uint subselect_single_select_engine::cols()
return select_lex->item_list.elements;
}
uint subselect_union_engine::cols()
{
return unit->first_select()->item_list.elements;
}
bool subselect_single_select_engine::dependent()
{
return select_lex->dependent;
@ -1155,16 +1258,19 @@ bool subselect_union_engine::dependent()
return unit->dependent;
}
bool subselect_single_select_engine::uncacheable()
{
return select_lex->uncacheable;
}
bool subselect_union_engine::uncacheable()
{
return unit->uncacheable;
}
void subselect_single_select_engine::exclude()
{
select_lex->master_unit()->exclude_level();
@ -1175,6 +1281,7 @@ void subselect_union_engine::exclude()
unit->exclude_level();
}
void subselect_uniquesubquery_engine::exclude()
{
//this never should be called
@ -1201,8 +1308,59 @@ table_map subselect_single_select_engine::upper_select_const_tables()
table_list.first);
}
table_map subselect_union_engine::upper_select_const_tables()
{
return calc_const_tables((TABLE_LIST *) unit->outer_select()->
table_list.first);
}
void subselect_single_select_engine::print(String *str)
{
select_lex->print(thd, str);
}
void subselect_union_engine::print(String *str)
{
unit->print(str);
}
void subselect_uniquesubquery_engine::print(String *str)
{
str->append("<primary_index_lookup>(", 23);
tab->ref.items[0]->print(str);
str->append(" in ", 4);
str->append(tab->table->real_name);
KEY *key_info= tab->table->key_info+ tab->ref.key;
str->append(" on ", 4);
str->append(key_info->name);
if (cond)
{
str->append(" where ", 7);
cond->print(str);
}
str->append(')');
}
void subselect_indexsubquery_engine::print(String *str)
{
str->append("<index_lookup>(", 15);
tab->ref.items[0]->print(str);
str->append(" in ", 4);
str->append(tab->table->real_name);
KEY *key_info= tab->table->key_info+ tab->ref.key;
str->append(" on ", 4);
str->append(key_info->name);
if (check_null)
str->append(" chicking NULL", 14);
if (cond)
{
str->append(" where ", 7);
cond->print(str);
}
str->append(')');
}

27
sql/item_subselect.h
View file

@ -92,13 +92,7 @@ public:
inline table_map get_used_tables_cache() { return used_tables_cache; }
inline bool get_const_item_cache() { return const_item_cache; }
void update_used_tables();
void print(String *str)
{
if (name)
str->append(name);
else
str->append("-subselect-");
}
void print(String *str);
bool change_engine(subselect_engine *eng)
{
engine= eng;
@ -147,9 +141,11 @@ public:
/* used in static ALL/ANY optimisation */
class Item_maxmin_subselect :public Item_singlerow_subselect
{
bool max;
public:
Item_maxmin_subselect(Item_subselect *parent,
st_select_lex *select_lex, bool max);
void print(String *str);
};
/* exists subselect */
@ -174,6 +170,7 @@ public:
double val();
String *val_str(String*);
void fix_length_and_dec();
void print(String *str);
friend class select_exists_subselect;
friend class subselect_uniquesubquery_engine;
@ -194,12 +191,15 @@ protected:
Item_in_optimizer *optimizer;
bool was_null;
bool abort_on_null;
bool transformed;
public:
Item_func_not_all *upper_not; // point on NOT before ALL subquery
Item_in_subselect(Item * left_expr, st_select_lex *select_lex);
Item_in_subselect()
:Item_exists_subselect(), abort_on_null(0), upper_not(0) {}
:Item_exists_subselect(), abort_on_null(0), transformed(0), upper_not(0)
{}
subs_type substype() { return IN_SUBS; }
void reset()
@ -219,6 +219,7 @@ public:
String *val_str(String*);
void top_level_item() { abort_on_null=1; }
bool test_limit(st_select_lex_unit *unit);
void print(String *str);
friend class Item_ref_null_helper;
friend class Item_is_not_null_test;
@ -233,12 +234,15 @@ protected:
compare_func_creator func;
public:
bool all;
Item_allany_subselect(Item * left_expr, compare_func_creator f,
st_select_lex *select_lex);
st_select_lex *select_lex, bool all);
// only ALL subquery has upper not
subs_type substype() { return upper_not?ALL_SUBS:ANY_SUBS; }
trans_res select_transformer(JOIN *join);
void print(String *str);
};
@ -276,6 +280,7 @@ public:
bool may_be_null() { return maybe_null; };
virtual table_map upper_select_const_tables()= 0;
static table_map calc_const_tables(TABLE_LIST *);
virtual void print(String *str)= 0;
};
@ -298,6 +303,7 @@ public:
bool uncacheable();
void exclude();
table_map upper_select_const_tables();
void print (String *str);
};
@ -316,6 +322,7 @@ public:
bool uncacheable();
void exclude();
table_map upper_select_const_tables();
void print (String *str);
};
@ -343,6 +350,7 @@ public:
bool uncacheable() { return 1; }
void exclude();
table_map upper_select_const_tables() { return 0; }
void print (String *str);
};
@ -359,4 +367,5 @@ public:
check_null(chk_null)
{}
int exec();
void print (String *str);
};

34
sql/item_sum.cc
View file

@ -1366,6 +1366,14 @@ longlong Item_sum_count_distinct::val_int()
return table->file->records;
}
void Item_sum_count_distinct::print(String *str)
{
str->append("count(distinct ", 15);
args[0]->print(str);
str->append(')');
}
/****************************************************************************
** Functions to handle dynamic loadable aggregates
** Original source by: Alexis Mikhailov <root@medinf.chuvashia.su>
@ -1960,3 +1968,29 @@ String* Item_func_group_concat::val_str(String* str)
}
return &result;
}
void Item_func_group_concat::print(String *str)
{
str->append("group_concat(", 13);
if (distinct)
str->append("distinct ", 9);
for (uint i= 0; i < arg_count; i++)
{
if (i)
str->append(',');
args[i]->print(str);
}
if (arg_count_order)
{
str->append(" order by ", 10);
for (uint i= 0 ; i < arg_count_order ; i++)
{
if (i)
str->append(',');
(*order[i]->item)->print(str);
}
}
str->append(" seperator \'", 12);
str->append(*separator);
str->append("\')", 2);
}

2
sql/item_sum.h
View file

@ -238,6 +238,7 @@ class Item_sum_count_distinct :public Item_sum_int
void make_unique();
Item *copy_or_same(THD* thd);
void no_rows_in_result() {}
void print(String *str);
};
@ -748,4 +749,5 @@ class Item_func_group_concat : public Item_sum
String* val_str(String* str);
Item *copy_or_same(THD* thd);
void no_rows_in_result() {}
void print(String *str);
};

85
sql/item_timefunc.cc
View file

@ -433,7 +433,7 @@ String *make_datetime(String *str, TIME *l_time,
length= int10_to_str(l_time->day, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 1, '0');
if (l_time->day >= 10 && l_time->day <= 19)
str->append("th");
str->append("th", 2);
else
{
switch (l_time->day %10) {
@ -531,7 +531,7 @@ String *make_datetime(String *str, TIME *l_time,
str->append_with_prefill(intbuff, length, 2, '0');
if (add_second_frac)
{
str->append(".", 1);
str->append('.');
length= int10_to_str(l_time->second_part, intbuff, 10) - intbuff;
str->append_with_prefill(intbuff, length, 6, '0');
}
@ -1644,6 +1644,36 @@ longlong Item_date_add_interval::val_int()
((date*100L + ltime.hour)*100L+ ltime.minute)*100L + ltime.second;
}
static const char *interval_names[]=
{
"year", "month", "day", "hour", "minute",
"second", "microsecond", "year_month",
"day_hour", "day_minute", "day_second",
"hour_minute", "hour_second", "minute_second",
"day_microsecond", "hour_microsecond",
"minute_microsecond", "second_microsecond"
};
void Item_date_add_interval::print(String *str)
{
str->append('(');
args[0]->print(str);
str->append(date_sub_interval?" - interval ":" + interval ");
args[1]->print(str);
str->append(' ');
str->append(interval_names[int_type]);
str->append(')');
}
void Item_extract::print(String *str)
{
str->append("extract(", 8);
str->append(interval_names[int_type]);
str->append(" from ", 6);
args[0]->print(str);
str->append(')');
}
void Item_extract::fix_length_and_dec()
{
value.alloc(32); // alloc buffer
@ -1751,10 +1781,33 @@ bool Item_extract::eq(const Item *item, bool binary_cmp) const
void Item_typecast::print(String *str)
{
str->append("CAST(");
str->append("cast(", 5);
args[0]->print(str);
str->append(" AS ");
str->append(func_name());
str->append(" as ", 4);
str->append(cast_type());
str->append(')');
}
void Item_char_typecast::print(String *str)
{
str->append("cast(", 5);
args[0]->print(str);
str->append(" as char", 8);
if (cast_length >= 0)
{
str->append('(');
char buffer[20];
// latin1 is good enough for numbers
String st(buffer, sizeof(buffer), &my_charset_latin1);
st.set((ulonglong)cast_length, &my_charset_latin1);
str->append(st);
str->append(')');
}
if (cast_cs)
{
str->append(" charset ", 9);
str->append(cast_cs->name);
}
str->append(')');
}
@ -2039,6 +2092,28 @@ null_date:
return 0;
}
void Item_func_add_time::print(String *str)
{
if (is_date)
{
DBUG_ASSERT(sign > 0);
str->append("timestamp(", 10);
}
else
{
if (sign > 0)
str->append("addtime(", 8);
else
str->append("subtime(", 8);
}
args[0]->print(str);
str->append(',');
args[0]->print(str);
str->append(')');
}
/*
TIMEDIFF(t,s) is a time function that calculates the
time value between a start and end time.

26
sql/item_timefunc.h
View file

@ -285,7 +285,7 @@ public:
Item_func_unix_timestamp() :Item_int_func() {}
Item_func_unix_timestamp(Item *a) :Item_int_func(a) {}
longlong val_int();
const char *func_name() const { return "timestamp"; }
const char *func_name() const { return "unix_timestamp"; }
void fix_length_and_dec()
{
decimals=0;
@ -544,13 +544,13 @@ public:
enum interval_type
{
INTERVAL_YEAR, INTERVAL_MONTH, INTERVAL_DAY, INTERVAL_HOUR, INTERVAL_MINUTE,
INTERVAL_SECOND, INTERVAL_MICROSECOND ,INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR,
INTERVAL_DAY_MINUTE, INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE,
INTERVAL_HOUR_SECOND, INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND,
INTERVAL_HOUR_MICROSECOND, INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
INTERVAL_SECOND, INTERVAL_MICROSECOND ,INTERVAL_YEAR_MONTH,
INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE, INTERVAL_DAY_SECOND,
INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND, INTERVAL_MINUTE_SECOND,
INTERVAL_DAY_MICROSECOND, INTERVAL_HOUR_MICROSECOND,
INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
};
class Item_date_add_interval :public Item_date_func
{
const interval_type int_type;
@ -568,6 +568,7 @@ public:
double val() { return (double) val_int(); }
longlong val_int();
bool get_date(TIME *res,bool fuzzy_date);
void print(String *str);
};
@ -583,6 +584,7 @@ class Item_extract :public Item_int_func
const char *func_name() const { return "extract"; }
void fix_length_and_dec();
bool eq(const Item *item, bool binary_cmp) const;
void print(String *str);
};
@ -590,7 +592,6 @@ class Item_typecast :public Item_str_func
{
public:
Item_typecast(Item *a) :Item_str_func(a) {}
const char *func_name() const { return "char"; }
String *val_str(String *a)
{
String *tmp=args[0]->val_str(a);
@ -604,6 +605,7 @@ public:
collation.set(default_charset());
max_length=args[0]->max_length;
}
virtual const char* cast_type() const= 0;
void print(String *str);
};
@ -617,8 +619,10 @@ class Item_char_typecast :public Item_typecast
public:
Item_char_typecast(Item *a, int length_arg, CHARSET_INFO *cs_arg)
:Item_typecast(a), cast_length(length_arg), cast_cs(cs_arg) {}
const char* cast_type() const { return "char"; };
String *val_str(String *a);
void fix_length_and_dec();
void print(String *str);
};
@ -628,7 +632,7 @@ public:
Item_date_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
bool get_date(TIME *ltime, bool fuzzy_date);
const char *func_name() const { return "date"; }
const char *cast_type() const { return "date"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
Field *tmp_table_field(TABLE *t_arg)
{
@ -643,7 +647,7 @@ public:
Item_time_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
bool get_time(TIME *ltime);
const char *func_name() const { return "time"; }
const char *cast_type() const { return "time"; }
enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
Field *tmp_table_field(TABLE *t_arg)
{
@ -657,7 +661,7 @@ class Item_datetime_typecast :public Item_typecast
public:
Item_datetime_typecast(Item *a) :Item_typecast(a) {}
String *val_str(String *str);
const char *func_name() const { return "datetime"; }
const char *cast_type() const { return "datetime"; }
enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
Field *tmp_table_field(TABLE *t_arg)
{
@ -694,7 +698,6 @@ public:
Item_func_add_time(Item *a, Item *b, bool type_arg, bool neg_arg)
:Item_str_func(a, b), is_date(type_arg) { sign= neg_arg ? -1 : 1; }
String *val_str(String *str);
const char *func_name() const { return "addtime"; }
enum_field_types field_type() const { return cached_field_type; }
void fix_length_and_dec();
@ -711,6 +714,7 @@ public:
return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
return (new Field_string(max_length, maybe_null, name, t_arg, &my_charset_bin));
}
void print(String *str);
};
class Item_func_timediff :public Item_str_func

2
sql/item_uniq.h
View file

@ -29,6 +29,7 @@ public:
:Item_real_func(list) {}
double val() { return 0.0; }
void fix_length_and_dec() { decimals=0; max_length=6; }
void print(String *str) { str->append("0.0", 3); }
};
@ -54,4 +55,5 @@ public:
{
return new Item_sum_unique_users(thd, *this);
}
void print(String *str) { str->append("0.0", 3); }
};

4
sql/key.cc
View file

@ -227,7 +227,7 @@ void key_unpack(String *to,TABLE *table,uint idx)
{
if (table->record[0][key_part->null_offset] & key_part->null_bit)
{
to->append("NULL");
to->append("NULL", 4);
continue;
}
}
@ -239,7 +239,7 @@ void key_unpack(String *to,TABLE *table,uint idx)
to->append(tmp);
}
else
to->append("???");
to->append("???", 3);
}
DBUG_VOID_RETURN;
}

3
sql/mysql_priv.h
View file

@ -204,6 +204,9 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
#define OPTION_QUOTE_SHOW_CREATE OPTION_QUICK*2
#define OPTION_INTERNAL_SUBTRANSACTIONS OPTION_QUOTE_SHOW_CREATE*2
/* options for UNION set by the yacc parser (stored in unit->union_option) */
#define UNION_ALL 1
/* Set if we are updating a non-transaction safe table */
#define OPTION_STATUS_NO_TRANS_UPDATE OPTION_INTERNAL_SUBTRANSACTIONS*2

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