2007-10-10 17:14:29 +02:00
drop table if exists t1, t2;
2001-09-28 07:05:54 +02:00
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;
2000-12-28 02:56:38 +01:00
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
2003-10-30 11:57:26 +01:00
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;
2006-07-28 19:27:01 +02:00
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2003-10-30 11:57:26 +01:00
Warnings:
2008-02-12 20:09:16 +01:00
Note 1003 select 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,'TRUE') AS `ifnull(null,"TRUE")`,ifnull('TRUE','ERROR') AS `ifnull("TRUE","ERROR")`,isnull((1 / 0)) AS `1/0 is null`,(1 is not null) AS `1 is not null`
2001-09-28 07:05:54 +02:00
select 1 | NULL,1 & NULL,1+NULL,1-NULL;
2000-12-28 02:56:38 +01:00
1 | NULL 1 & NULL 1+NULL 1-NULL
NULL NULL NULL NULL
2001-09-28 07:05:54 +02:00
select NULL=NULL,NULL<>NULL,IFNULL(NULL,1.1)+0,IFNULL(NULL,1) | 0;
2000-12-28 02:56:38 +01:00
NULL=NULL NULL<>NULL IFNULL(NULL,1.1)+0 IFNULL(NULL,1) | 0
2003-07-18 12:50:40 +02:00
NULL NULL 1.1 1
2001-09-28 07:05:54 +02:00
select strcmp("a",NULL),(1<NULL)+0.0,NULL regexp "a",null like "a%","a%" like null;
2000-12-28 02:56:38 +01:00
strcmp("a",NULL) (1<NULL)+0.0 NULL regexp "a" null like "a%" "a%" like null
NULL NULL NULL NULL NULL
2001-09-28 07:05:54 +02:00
select concat("a",NULL),replace(NULL,"a","b"),replace("string","i",NULL),replace("string",NULL,"i"),insert("abc",1,1,NULL),left(NULL,1);
2000-12-28 02:56:38 +01:00
concat("a",NULL) replace(NULL,"a","b") replace("string","i",NULL) replace("string",NULL,"i") insert("abc",1,1,NULL) left(NULL,1)
NULL NULL NULL NULL NULL NULL
2001-09-28 07:05:54 +02:00
select repeat("a",0),repeat("ab",5+5),repeat("ab",-1),reverse(NULL);
2000-12-28 02:56:38 +01:00
repeat("a",0) repeat("ab",5+5) repeat("ab",-1) reverse(NULL)
abababababababababab NULL
2001-09-28 07:05:54 +02:00
select field(NULL,"a","b","c");
2000-12-28 02:56:38 +01:00
field(NULL,"a","b","c")
0
2001-09-28 07:05:54 +02:00
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;
2000-12-28 02:56:38 +01:00
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
2003-10-30 11:57:26 +01:00
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;
2006-07-28 19:27:01 +02:00
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2003-10-30 11:57:26 +01:00
Warnings:
2004-05-13 22:47:20 +02:00
Note 1003 select (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`
2001-09-28 07:05:54 +02:00
SELECT NULL AND NULL, 1 AND NULL, NULL AND 1, NULL OR NULL, 0 OR NULL, NULL OR 0;
2000-12-28 02:56:38 +01:00
NULL AND NULL 1 AND NULL NULL AND 1 NULL OR NULL 0 OR NULL NULL OR 0
NULL NULL NULL NULL NULL NULL
2001-09-28 07:05:54 +02:00
SELECT (NULL OR NULL) IS NULL;
2000-12-28 02:56:38 +01:00
(NULL OR NULL) IS NULL
1
2001-09-28 07:05:54 +02:00
select NULL AND 0, 0 and NULL;
2000-12-28 02:56:38 +01:00
NULL AND 0 0 and NULL
2002-11-11 14:57:35 +01:00
0 0
2001-09-28 07:05:54 +02:00
select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
2000-12-28 02:56:38 +01:00
inet_ntoa(null) inet_aton(null) inet_aton("122.256") inet_aton("122.226.") inet_aton("")
NULL NULL NULL NULL NULL
2003-10-30 11:57:26 +01:00
explain extended select inet_ntoa(null),inet_aton(null),inet_aton("122.256"),inet_aton("122.226."),inet_aton("");
2006-07-28 19:27:01 +02:00
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2003-10-30 11:57:26 +01:00
Warnings:
2008-02-12 20:09:16 +01:00
Note 1003 select inet_ntoa(NULL) AS `inet_ntoa(null)`,inet_aton(NULL) AS `inet_aton(null)`,inet_aton('122.256') AS `inet_aton("122.256")`,inet_aton('122.226.') AS `inet_aton("122.226.")`,inet_aton('') AS `inet_aton("")`
2001-09-28 07:05:54 +02:00
create table t1 (x int);
insert into t1 values (null);
select * from t1 where x != 0;
2000-12-28 02:56:38 +01:00
x
2001-09-28 07:05:54 +02:00
drop table t1;
2001-10-20 10:56:49 +02:00
CREATE TABLE t1 (
indexed_field int default NULL,
KEY indexed_field (indexed_field)
);
INSERT INTO t1 VALUES (NULL),(NULL);
SELECT * FROM t1 WHERE indexed_field=NULL;
indexed_field
SELECT * FROM t1 WHERE indexed_field IS NULL;
indexed_field
NULL
NULL
SELECT * FROM t1 WHERE indexed_field<=>NULL;
indexed_field
NULL
NULL
DROP TABLE t1;
2003-12-10 05:31:42 +01:00
create table t1 (a int, b int) engine=myisam;
2002-12-03 12:08:25 +01:00
insert into t1 values(20,null);
select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on
t2.b=t3.a;
b ifnull(t2.b,"this is null")
NULL this is null
select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on
t2.b=t3.a order by 1;
b ifnull(t2.b,"this is null")
NULL this is null
insert into t1 values(10,null);
select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on
t2.b=t3.a order by 1;
b ifnull(t2.b,"this is null")
NULL this is null
NULL this is null
drop table t1;
2005-04-06 05:55:06 +02:00
CREATE TABLE t1 (a varchar(16) NOT NULL default '', b smallint(6) NOT NULL default 0, c datetime NOT NULL default '0000-00-00 00:00:00', d smallint(6) NOT NULL default 0);
2003-01-14 10:27:26 +01:00
INSERT INTO t1 SET a = "", d= "2003-01-14 03:54:55";
2003-10-11 22:26:39 +02:00
Warnings:
After merge fixes
Added more DBUG statements
Ensure that we are comparing end space with BINARY strings
Use 'any_db' instead of '' to mean any database. (For HANDLER command)
Only strip ' ' when comparing CHAR, not other space-like characters (like \t)
BitKeeper/deleted/.del-ctype_tis620.result-old~3578ceb0b8284685:
Delete: mysql-test/r/ctype_tis620.result-old
BitKeeper/deleted/.del-ctype_tis620.test-old~ffb1bbd2935d1aba:
Delete: mysql-test/t/ctype_tis620.test-old
client/mysqlbinlog.cc:
Added DBUG statements
Added call of my_end() to free all used memory on exit
heap/hp_info.c:
After merge fixes
heap/hp_open.c:
After merge fixes
include/heap.h:
After merge fixes
include/m_ctype.h:
Use pchar instead of 'int' for character parameters.
Added 'my_binary_compare()'
include/m_string.h:
Fixed wrong define
innobase/ibuf/ibuf0ibuf.c:
After merge fixes
innobase/srv/srv0start.c:
After merge fixes
mysql-test/r/alter_table.result:
Fixed results after merge
mysql-test/r/auto_increment.result:
Fixed results after merge
mysql-test/r/bdb.result:
Fixed results after merge
mysql-test/r/binary.result:
Fixed results after merge
mysql-test/r/create.result:
Fixed results after merge
mysql-test/r/ctype_mb.result:
Fixed results after merge
mysql-test/r/ctype_tis620.result:
Fixed results after merge
mysql-test/r/ctype_utf8.result:
Fixed results after merge
mysql-test/r/delete.result:
Fixed results after merge
mysql-test/r/func_compress.result:
Fixed results after merge
mysql-test/r/func_gconcat.result:
Fixed results after merge
mysql-test/r/func_group.result:
Fixed results after merge
mysql-test/r/func_str.result:
Fixed results after merge
mysql-test/r/innodb.result:
Fixed results after merge
mysql-test/r/insert.result:
Fixed results after merge
mysql-test/r/insert_select.result:
Fixed results after merge
mysql-test/r/key.result:
Fixed results after merge
mysql-test/r/loaddata.result:
Fixed results after merge
mysql-test/r/lock.result:
Fixed results after merge
mysql-test/r/myisam.result:
Fixed results after merge
mysql-test/r/null.result:
Fixed results after merge
mysql-test/r/null_key.result:
Fixed results after merge
mysql-test/r/order_by.result:
Fixed results after merge
mysql-test/r/query_cache.result:
Fixed results after merge
mysql-test/r/range.result:
Fixed results after merge
mysql-test/r/rpl_multi_delete.result:
Fixed results after merge
mysql-test/r/rpl_until.result:
Fixed results after merge
mysql-test/r/subselect.result:
Fixed results after merge
mysql-test/r/subselect_innodb.result:
Fixed results after merge
mysql-test/r/type_blob.result:
Fixed results after merge
mysql-test/r/type_datetime.result:
Fixed results after merge
mysql-test/r/type_decimal.result:
Fixed results after merge
mysql-test/r/type_enum.result:
Fixed results after merge
mysql-test/r/type_float.result:
Fixed results after merge
mysql-test/r/type_ranges.result:
Fixed results after merge
mysql-test/r/type_time.result:
Fixed results after merge
mysql-test/r/type_timestamp.result:
Fixed results after merge
mysql-test/r/type_uint.result:
Fixed results after merge
mysql-test/r/type_year.result:
Fixed results after merge
mysql-test/r/variables.result:
Fixed results after merge
mysql-test/r/warnings.result:
Fixed results after merge
mysql-test/t/case.test:
Fixed shifted error messages
mysql-test/t/create.test:
Fixed shifted error messages
mysql-test/t/ctype_collate.test:
Fixed shifted error messages
mysql-test/t/ctype_tis620.test:
Merge with 4.0 ctype_tis620 test
mysql-test/t/delete.test:
Fixed shifted error messages
mysql-test/t/derived.test:
Fixed shifted error messages
mysql-test/t/fulltext.test:
Fixed shifted error messages
mysql-test/t/func_in.test:
Fixed shifted error messages
mysql-test/t/func_str.test:
Fixed shifted error messages
mysql-test/t/func_test.test:
Fixed shifted error messages
mysql-test/t/grant.test:
Fixed shifted error messages
mysql-test/t/innodb.test:
Change to 4.1 syntax
mysql-test/t/key_cache.test:
Fixed shifted error messages
mysql-test/t/myisam.test:
New test of blob and end space
mysql-test/t/row.test:
Fixed shifted error messages
mysql-test/t/rpl_until.test:
Fixed shifted error messages
mysql-test/t/subselect.test:
Fixed shifted error messages
mysql-test/t/subselect_innodb.test:
Fix test to take into account foreign key constraints
mysql-test/t/union.test:
Fixed shifted error messages
mysql-test/t/user_var.test:
Fixed shifted error messages
mysql-test/t/variables.test:
Fixed shifted error messages
mysys/my_handler.c:
Merge with 4.0 code
sql/ha_heap.cc:
After merge fixes
sql/handler.cc:
After merge fixes
sql/item.cc:
After merge fixes
sql/item_cmpfunc.cc:
Ensure that we are comparing end space with BINARY strings
sql/item_cmpfunc.h:
Ensure that we are comparing end space with BINARY strings
sql/log_event.cc:
More DBUG statements
Ensure that we use all options to LOAD DATA in replication
sql/opt_range.cc:
After merge fixes
sql/sql_db.cc:
After merge fixes
sql/sql_handler.cc:
After merge fixes
Use 'any_db' instead of '' to mean 'no database comparison'
sql/sql_parse.cc:
After merge fixes
sql/sql_select.cc:
After merge fixes
Added function comment for setup_group()
sql/sql_string.cc:
Added stringcmp() for binary comparison.
Added function comments for sortcmp() and stringcmp()
sql/sql_string.h:
Added stringcmp()
sql/sql_table.cc:
After merge fixes
sql/sql_update.cc:
After merge fixes
sql/sql_yacc.yy:
Use 'any_db' instead of '' to mean any database. Using "" causes a 'wrong db name' error.
strings/ctype-big5.c:
Strip only end space, not other space characters.
strings/ctype-bin.c:
Removed some not needed functions.
Added function comments
Don't remove end space in comparisons
Change my_wildcmp_bin() to be 'identical' with other similar code
strings/ctype-czech.c:
Strip only end space, not other space characters.
strings/ctype-gbk.c:
Strip only end space, not other space characters.
strings/ctype-latin1.c:
Strip only end space, not other space characters.
strings/ctype-mb.c:
Strip only end space, not other space characters.
strings/ctype-simple.c:
Strip only end space, not other space characters.
strings/ctype-sjis.c:
Strip only end space, not other space characters.
strings/ctype-tis620.c:
Added usage of my_instr_simple. This needs to be cleaned up!
strings/ctype-utf8.c:
Strip only end space, not other space characters.
strings/ctype-win1250ch.c:
Strip only end space, not other space characters.
Fixed indentation
strings/strto.c:
Code cleanup
2004-02-16 09:03:25 +01:00
Warning 1265 Data truncated for column 'd' at row 1
2003-01-14 10:27:26 +01:00
UPDATE t1 SET d=1/NULL;
2009-02-05 10:49:32 +01:00
Warnings:
2010-05-05 13:00:59 +02:00
Warning 1048 Column 'd' cannot be null
2003-01-14 10:27:26 +01:00
UPDATE t1 SET d=NULL;
2009-02-05 10:49:32 +01:00
Warnings:
Warning 1048 Column 'd' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (a) values (null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'a' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (a) values (1/null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'a' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (a) values (null),(null);
2003-04-30 09:07:37 +02:00
Warnings:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
Message is chenged from 'ER_WARN_NULL_TO_NOTNULL' to 'ER_BAD_NULL_ERROR'
mysql-test/r/auto_increment.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/create.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert_select.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null_key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_2myisam.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_3innodb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_4heap.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_5merge.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_6bdb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_7ndb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/strict.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/view.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/warnings.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/t/strict.test:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
test change
2005-12-01 12:30:11 +01:00
Warning 1048 Column 'a' cannot be null
Warning 1048 Column 'a' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (b) values (null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'b' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (b) values (1/null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'b' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (b) values (null),(null);
2003-04-30 09:07:37 +02:00
Warnings:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
Message is chenged from 'ER_WARN_NULL_TO_NOTNULL' to 'ER_BAD_NULL_ERROR'
mysql-test/r/auto_increment.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/create.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert_select.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null_key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_2myisam.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_3innodb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_4heap.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_5merge.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_6bdb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_7ndb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/strict.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/view.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/warnings.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/t/strict.test:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
test change
2005-12-01 12:30:11 +01:00
Warning 1048 Column 'b' cannot be null
Warning 1048 Column 'b' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (c) values (null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'c' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (c) values (1/null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'c' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (c) values (null),(null);
2003-04-30 09:07:37 +02:00
Warnings:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
Message is chenged from 'ER_WARN_NULL_TO_NOTNULL' to 'ER_BAD_NULL_ERROR'
mysql-test/r/auto_increment.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/create.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert_select.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null_key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_2myisam.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_3innodb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_4heap.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_5merge.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_6bdb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_7ndb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/strict.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/view.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/warnings.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/t/strict.test:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
test change
2005-12-01 12:30:11 +01:00
Warning 1048 Column 'c' cannot be null
Warning 1048 Column 'c' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (d) values (null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'd' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (d) values (1/null);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'd' cannot be null
2003-01-14 10:27:26 +01:00
INSERT INTO t1 (d) values (null),(null);
2003-04-30 09:07:37 +02:00
Warnings:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
Message is chenged from 'ER_WARN_NULL_TO_NOTNULL' to 'ER_BAD_NULL_ERROR'
mysql-test/r/auto_increment.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/create.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/insert_select.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/null_key.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_2myisam.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_3innodb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_4heap.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_5merge.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_6bdb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/ps_7ndb.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/strict.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/view.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/r/warnings.result:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
result change
mysql-test/t/strict.test:
Fix for bug#11491 Misleading error message if not NULL column set to NULL,
SQL mode TRADITIONAL
test change
2005-12-01 12:30:11 +01:00
Warning 1048 Column 'd' cannot be null
Warning 1048 Column 'd' cannot be null
2003-01-14 10:27:26 +01:00
select * from t1;
a b c d
2009-02-05 10:49:32 +01:00
0 0000-00-00 00:00:00 0
2003-01-14 10:27:26 +01:00
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
0 0000-00-00 00:00:00 0
drop table t1;
2003-12-01 22:59:09 +01:00
create table t1 (a int not null, b int not null, index idx(a));
insert into t1 values
(1,1), (2,2), (3,3), (4,4), (5,5), (6,6),
(7,7), (8,8), (9,9), (10,10), (11,11), (12,12);
explain select * from t1 where a between 2 and 3;
id select_type table type possible_keys key key_len ref rows Extra
2011-11-21 14:16:16 +01:00
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition
2003-12-01 22:59:09 +01:00
explain select * from t1 where a between 2 and 3 or b is null;
id select_type table type possible_keys key key_len ref rows Extra
2011-11-21 14:16:16 +01:00
1 SIMPLE t1 range idx idx 4 NULL 2 Using index condition
2003-12-01 22:59:09 +01:00
drop table t1;
2004-01-09 21:28:29 +01:00
select cast(NULL as signed);
cast(NULL as signed)
NULL
2004-08-22 14:23:52 +02:00
create table t1(i int, key(i));
insert into t1 values(1);
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
insert into t1 select i*2 from t1;
2004-09-09 05:59:26 +02:00
insert into t1 values(null);
2004-08-22 14:23:52 +02:00
explain select * from t1 where i=2 or i is null;
id select_type table type possible_keys key key_len ref rows Extra
2011-03-05 10:56:22 +01:00
1 SIMPLE t1 ref_or_null i i 5 const 9 Using where; Using index
2004-09-09 05:59:26 +02:00
select count(*) from t1 where i=2 or i is null;
count(*)
10
2004-08-22 14:23:52 +02:00
alter table t1 change i i int not null;
2004-09-09 05:59:26 +02:00
Warnings:
Warning 1265 Data truncated for column 'i' at row 513
2004-08-22 14:23:52 +02:00
explain select * from t1 where i=2 or i is null;
id select_type table type possible_keys key key_len ref rows Extra
2005-05-13 11:08:08 +02:00
1 SIMPLE t1 ref i i 4 const 7 Using index
2004-09-09 05:59:26 +02:00
select count(*) from t1 where i=2 or i is null;
count(*)
9
2004-08-22 14:23:52 +02:00
drop table t1;
2004-11-10 11:05:28 +01:00
set names latin2;
create table t1 select
null as c00,
if(1, null, 'string') as c01,
if(0, null, 'string') as c02,
ifnull(null, 'string') as c03,
ifnull('string', null) as c04,
case when 0 then null else 'string' end as c05,
case when 1 then null else 'string' end as c06,
coalesce(null, 'string') as c07,
coalesce('string', null) as c08,
least('string',null) as c09,
least(null, 'string') as c10,
greatest('string',null) as c11,
greatest(null, 'string') as c12,
nullif('string', null) as c13,
nullif(null, 'string') as c14,
trim('string' from null) as c15,
trim(null from 'string') as c16,
substring_index('string', null, 1) as c17,
substring_index(null, 'string', 1) as c18,
elt(1, null, 'string') as c19,
elt(1, 'string', null) as c20,
concat('string', null) as c21,
concat(null, 'string') as c22,
concat_ws('sep', 'string', null) as c23,
concat_ws('sep', null, 'string') as c24,
concat_ws(null, 'string', 'string') as c25,
make_set(3, 'string', null) as c26,
make_set(3, null, 'string') as c27,
export_set(3, null, 'off', 'sep') as c29,
export_set(3, 'on', null, 'sep') as c30,
export_set(3, 'on', 'off', null) as c31,
replace(null, 'from', 'to') as c32,
replace('str', null, 'to') as c33,
replace('str', 'from', null) as c34,
insert('str', 1, 2, null) as c35,
insert(null, 1, 2, 'str') as c36,
lpad('str', 10, null) as c37,
rpad(null, 10, 'str') as c38;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
2006-02-22 10:09:59 +01:00
`c00` binary(0) DEFAULT NULL,
`c01` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c02` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
2015-08-17 23:42:08 +02:00
`c03` varchar(6) CHARACTER SET latin2 NOT NULL,
2006-02-22 10:09:59 +01:00
`c04` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c05` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c06` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c07` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c08` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c09` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c10` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c11` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c12` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c13` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
2014-11-20 08:59:00 +01:00
`c14` binary(0) DEFAULT NULL,
2006-02-22 10:09:59 +01:00
`c15` char(0) CHARACTER SET latin2 DEFAULT NULL,
`c16` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c17` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c18` char(0) CHARACTER SET latin2 DEFAULT NULL,
`c19` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c20` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c21` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c22` varchar(6) CHARACTER SET latin2 DEFAULT NULL,
`c23` varchar(9) CHARACTER SET latin2 DEFAULT NULL,
`c24` varchar(9) CHARACTER SET latin2 DEFAULT NULL,
`c25` varchar(12) CHARACTER SET latin2 DEFAULT NULL,
`c26` varchar(7) CHARACTER SET latin2 DEFAULT NULL,
`c27` varchar(7) CHARACTER SET latin2 DEFAULT NULL,
`c29` varchar(381) CHARACTER SET latin2 DEFAULT NULL,
`c30` varchar(317) CHARACTER SET latin2 DEFAULT NULL,
`c31` varchar(192) CHARACTER SET latin2 DEFAULT NULL,
`c32` char(0) CHARACTER SET latin2 DEFAULT NULL,
`c33` varchar(3) CHARACTER SET latin2 DEFAULT NULL,
`c34` varchar(3) CHARACTER SET latin2 DEFAULT NULL,
`c35` varchar(3) CHARACTER SET latin2 DEFAULT NULL,
`c36` varchar(3) CHARACTER SET latin2 DEFAULT NULL,
`c37` varchar(10) CHARACTER SET latin2 DEFAULT NULL,
`c38` varchar(10) CHARACTER SET latin2 DEFAULT NULL
2004-11-10 11:05:28 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select
case 'str' when 'STR' then 'str' when null then 'null' end as c01,
case 'str' when null then 'null' when 'STR' then 'str' end as c02,
field(null, 'str1', 'str2') as c03,
field('str1','STR1', null) as c04,
field('str1', null, 'STR1') as c05,
'string' in ('STRING', null) as c08,
'string' in (null, 'STRING') as c09;
c01 c02 c03 c04 c05 c08 c09
str str 0 1 2 1 1
set names latin1;
2006-04-28 18:15:29 +02:00
create table bug19145a (e enum('a','b','c') default 'b' , s set('x', 'y', 'z') default 'y' ) engine=MyISAM;
create table bug19145b (e enum('a','b','c') default null, s set('x', 'y', 'z') default null) engine=MyISAM;
create table bug19145c (e enum('a','b','c') not null default 'b' , s set('x', 'y', 'z') not null default 'y' ) engine=MyISAM;
create table bug19145setnotnulldefaultnull (e enum('a','b','c') default null, s set('x', 'y', 'z') not null default null) engine=MyISAM;
ERROR 42000: Invalid default value for 's'
create table bug19145enumnotnulldefaultnull (e enum('a','b','c') not null default null, s set('x', 'y', 'z') default null) engine=MyISAM;
ERROR 42000: Invalid default value for 'e'
alter table bug19145a alter column e set default null;
alter table bug19145a alter column s set default null;
alter table bug19145a add column (i int);
alter table bug19145b alter column e set default null;
alter table bug19145b alter column s set default null;
alter table bug19145b add column (i int);
alter table bug19145c alter column e set default null;
ERROR 42000: Invalid default value for 'e'
alter table bug19145c alter column s set default null;
ERROR 42000: Invalid default value for 's'
alter table bug19145c add column (i int);
show create table bug19145a;
Table Create Table
bug19145a CREATE TABLE `bug19145a` (
2006-05-01 19:41:40 +02:00
`e` enum('a','b','c') DEFAULT NULL,
`s` set('x','y','z') DEFAULT NULL,
`i` int(11) DEFAULT NULL
2006-04-28 18:15:29 +02:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show create table bug19145b;
Table Create Table
bug19145b CREATE TABLE `bug19145b` (
2006-05-01 19:41:40 +02:00
`e` enum('a','b','c') DEFAULT NULL,
`s` set('x','y','z') DEFAULT NULL,
`i` int(11) DEFAULT NULL
2006-04-28 18:15:29 +02:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show create table bug19145c;
Table Create Table
bug19145c CREATE TABLE `bug19145c` (
2006-05-01 19:41:40 +02:00
`e` enum('a','b','c') NOT NULL DEFAULT 'b',
`s` set('x','y','z') NOT NULL DEFAULT 'y',
`i` int(11) DEFAULT NULL
2006-04-28 18:15:29 +02:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table bug19145a;
drop table bug19145b;
drop table bug19145c;
2007-10-10 17:14:29 +02:00
# End of 4.1 tests
#
# Bug #31471: decimal_bin_size: Assertion `scale >= 0 &&
# precision > 0 && scale <= precision'
#
CREATE TABLE t1 (a DECIMAL (1, 0) ZEROFILL, b DECIMAL (1, 0) ZEROFILL);
INSERT INTO t1 (a, b) VALUES (0, 0);
CREATE TABLE t2 SELECT IFNULL(a, b) FROM t1;
DESCRIBE t2;
Field Type Null Key Default Extra
IFNULL(a, b) decimal(1,0) unsigned YES NULL
DROP TABLE t2;
CREATE TABLE t2 SELECT IFNULL(a, NULL) FROM t1;
DESCRIBE t2;
Field Type Null Key Default Extra
IFNULL(a, NULL) decimal(1,0) YES NULL
DROP TABLE t2;
CREATE TABLE t2 SELECT IFNULL(NULL, b) FROM t1;
DESCRIBE t2;
Field Type Null Key Default Extra
IFNULL(NULL, b) decimal(1,0) YES NULL
DROP TABLE t1, t2;
# End of 5.0 tests
2013-08-20 16:08:03 +02:00
#
# MDEV-4895 Valgrind warnings (Conditional jump or move depends on uninitialised value) in Field_datetime::get_date on GREATEST(..) IS NULL
#
CREATE TABLE t1 (dt DATETIME NOT NULL);
INSERT INTO t1 VALUES (NOW()),(NOW());
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
SELECT * FROM t1 WHERE concat( dt, '2012-12-21 12:12:12' ) IS NULL;
dt
2013-08-20 22:47:13 +02:00
DROP TABLE t1;
2013-08-20 16:08:03 +02:00
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE concat( dt, '1' ) IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
SELECT * FROM t1 WHERE concat( dt, '1' ) IS NULL;
dt
2013-08-20 22:47:13 +02:00
DROP TABLE t1;
2013-08-20 16:08:03 +02:00
CREATE TABLE t1 (dt INT NOT NULL);
INSERT INTO t1 VALUES (1),(2);
EXPLAIN
SELECT * FROM t1 WHERE NOT (concat( dt, '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 Impossible WHERE
SELECT * FROM t1 WHERE NOT (concat( dt, '1' ) IS NOT NULL);
dt
2013-08-20 22:47:13 +02:00
DROP TABLE t1;
2013-10-12 08:24:57 +02:00
#
# Bug mdev-5132: crash when exeicuting a join query
# with IS NULL and IS NOT NULL in where
#
CREATE TABLE t1 (a DATE, b INT, c INT, KEY(a), KEY(b), KEY(c)) ENGINE=MyISAM;
CREATE TABLE t2 (d DATE) ENGINE=MyISAM;
SELECT * FROM t1,t2 WHERE 1 IS NOT NULL AND t1.b IS NULL;
a b c d
DROP TABLE t1,t2;
2014-11-20 08:59:00 +01:00
#
2014-11-01 22:08:09 +01:00
# Start of 10.0 tests
#
#
# MDEV-7001 Bad result for NOT NOT STRCMP('a','b') and NOT NOT NULLIF(2,3)
#
SELECT NOT NOT NULLIF(2,3);
NOT NOT NULLIF(2,3)
1
#
# End of 10.0 tests
#
2014-12-02 22:25:16 +01:00
#
2014-11-20 08:59:00 +01:00
# Start of 10.1 tests
#
#
# MDEV-7146 NULLIF returns unexpected result with a YEAR field
#
CREATE TABLE t1 (a YEAR(2));
Warnings:
Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
INSERT INTO t1 VALUES (0);
SELECT a,NULLIF(a,2000),NULLIF(2000,a) FROM t1;
a NULLIF(a,2000) NULLIF(2000,a)
00 NULL NULL
SELECT a,NULLIF(a,2001),NULLIF(2001,a) FROM t1;
a NULLIF(a,2001) NULLIF(2001,a)
00 0 2001
DROP TABLE t1;
#
# MDEV-7005 NULLIF does not work as documented
#
CREATE TABLE t1 (a TIME);
CREATE TABLE t2 AS SELECT a,NULLIF(a,a), CASE WHEN a=a THEN NULL ELSE a END FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` time DEFAULT NULL,
`NULLIF(a,a)` time DEFAULT NULL,
`CASE WHEN a=a THEN NULL ELSE a END` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1,t2;
SELECT NULLIF(_latin1'a' COLLATE latin1_general_ci, _latin1'a' COLLATE latin1_bin);
ERROR HY000: Illegal mix of collations (latin1_general_ci,EXPLICIT) and (latin1_bin,EXPLICIT) for operation 'nullif'
CREATE TABLE t1 AS SELECT
NULLIF(1,1),
NULLIF(1,1.0),
NULLIF(1,1e0),
NULLIF(1,'2001-01-01'),
NULLIF(1,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1,1)` int(1) DEFAULT NULL,
`NULLIF(1,1.0)` int(1) DEFAULT NULL,
`NULLIF(1,1e0)` int(1) DEFAULT NULL,
`NULLIF(1,'2001-01-01')` int(1) DEFAULT NULL,
`NULLIF(1,TIME'00:00:00')` int(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1.0,1),
NULLIF(1.0,1.0),
NULLIF(1.0,1e0),
NULLIF(1.0,'2001-01-01'),
NULLIF(1.0,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1.0,1)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,1.0)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,1e0)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,'2001-01-01')` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0,TIME'00:00:00')` decimal(2,1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(1e0,1),
NULLIF(1e0,1.0),
NULLIF(1e0,1e0),
NULLIF(1e0,'2001-01-01'),
NULLIF(1e0,TIME'00:00:00');
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '2001-01-01'
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(1e0,1)` double DEFAULT NULL,
`NULLIF(1e0,1.0)` double DEFAULT NULL,
`NULLIF(1e0,1e0)` double DEFAULT NULL,
`NULLIF(1e0,'2001-01-01')` double DEFAULT NULL,
`NULLIF(1e0,TIME'00:00:00')` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF('1',1),
NULLIF('1',1.0),
NULLIF('1',1e0),
NULLIF('1','2001-01-01'),
NULLIF('1',TIME'00:00:00');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF('1',1)` varchar(1) DEFAULT NULL,
`NULLIF('1',1.0)` varchar(1) DEFAULT NULL,
`NULLIF('1',1e0)` varchar(1) DEFAULT NULL,
`NULLIF('1','2001-01-01')` varchar(1) DEFAULT NULL,
`NULLIF('1',TIME'00:00:00')` varchar(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1.0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1e0),
NULLIF(TIMESTAMP'2001-01-01 00:00:00','2001-01-01'),
NULLIF(TIMESTAMP'2001-01-01 00:00:00',TIME'00:00:00');
2015-03-12 08:40:37 +01:00
Warnings:
Warning 1292 Incorrect datetime value: '1'
Warning 1292 Incorrect datetime value: '1.0'
Warning 1292 Incorrect datetime value: '1'
2014-11-20 08:59:00 +01:00
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1.0)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',1e0)` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00','2001-01-01')` datetime DEFAULT NULL,
`NULLIF(TIMESTAMP'2001-01-01 00:00:00',TIME'00:00:00')` datetime DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(DATE'2001-01-01',1),
NULLIF(DATE'2001-01-01',1.0),
NULLIF(DATE'2001-01-01',1e0),
NULLIF(DATE'2001-01-01','2001-01-01'),
NULLIF(DATE'2001-01-01',TIME'00:00:00');
2015-03-12 08:40:37 +01:00
Warnings:
Warning 1292 Incorrect datetime value: '1'
Warning 1292 Incorrect datetime value: '1.0'
Warning 1292 Incorrect datetime value: '1'
2014-11-20 08:59:00 +01:00
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(DATE'2001-01-01',1)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',1.0)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',1e0)` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01','2001-01-01')` date DEFAULT NULL,
`NULLIF(DATE'2001-01-01',TIME'00:00:00')` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
NULLIF(TIME'00:00:01',1),
NULLIF(TIME'00:00:01',1.0),
NULLIF(TIME'00:00:01',1e0),
NULLIF(TIME'00:00:01','00:00:00'),
NULLIF(TIME'00:00:01',DATE'2001-01-01');
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`NULLIF(TIME'00:00:01',1)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',1.0)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',1e0)` time DEFAULT NULL,
`NULLIF(TIME'00:00:01','00:00:00')` time DEFAULT NULL,
`NULLIF(TIME'00:00:01',DATE'2001-01-01')` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1
(
c_tinyint TINYINT,
c_smallint SMALLINT,
c_int INT,
c_bigint BIGINT,
c_float FLOAT,
c_double DOUBLE,
c_decimal103 DECIMAL(10,3),
c_varchar10 VARCHAR(10),
c_text TEXT,
c_blob BLOB,
c_enum ENUM('one','two','tree'),
c_datetime3 DATETIME(3),
c_timestamp3 TIMESTAMP(3),
c_date DATE,
c_time TIME
);
#
# Checking that the return type depends only on args[0], even when compared to a super type
#
CREATE TABLE t2 AS SELECT
NULLIF(c_tinyint, 1),
NULLIF(c_tinyint, c_smallint),
NULLIF(c_tinyint, c_tinyint),
NULLIF(c_tinyint, c_int),
NULLIF(c_tinyint, c_bigint),
NULLIF(c_tinyint, c_float),
NULLIF(c_tinyint, c_double),
NULLIF(c_tinyint, c_decimal103),
NULLIF(c_tinyint, c_varchar10),
NULLIF(c_tinyint, c_text),
NULLIF(c_tinyint, c_blob),
NULLIF(c_tinyint, c_enum),
NULLIF(c_tinyint, c_datetime3),
NULLIF(c_tinyint, c_timestamp3),
NULLIF(c_tinyint, c_date),
NULLIF(c_tinyint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_tinyint, 1)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_smallint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_tinyint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_int)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_bigint)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_float)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_double)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_decimal103)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_varchar10)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_text)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_blob)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_enum)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_datetime3)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_timestamp3)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_date)` int(4) DEFAULT NULL,
`NULLIF(c_tinyint, c_time)` int(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_smallint, 1),
NULLIF(c_smallint, c_smallint),
NULLIF(c_smallint, c_tinyint),
NULLIF(c_smallint, c_int),
NULLIF(c_smallint, c_bigint),
NULLIF(c_smallint, c_float),
NULLIF(c_smallint, c_double),
NULLIF(c_smallint, c_decimal103),
NULLIF(c_smallint, c_varchar10),
NULLIF(c_smallint, c_text),
NULLIF(c_smallint, c_blob),
NULLIF(c_smallint, c_enum),
NULLIF(c_smallint, c_datetime3),
NULLIF(c_smallint, c_timestamp3),
NULLIF(c_smallint, c_date),
NULLIF(c_smallint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_smallint, 1)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_smallint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_tinyint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_int)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_bigint)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_float)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_double)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_decimal103)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_varchar10)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_text)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_blob)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_enum)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_datetime3)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_timestamp3)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_date)` int(6) DEFAULT NULL,
`NULLIF(c_smallint, c_time)` int(6) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_int, 1),
NULLIF(c_int, c_smallint),
NULLIF(c_int, c_tinyint),
NULLIF(c_int, c_int),
NULLIF(c_int, c_bigint),
NULLIF(c_int, c_float),
NULLIF(c_int, c_double),
NULLIF(c_int, c_decimal103),
NULLIF(c_int, c_varchar10),
NULLIF(c_int, c_text),
NULLIF(c_int, c_blob),
NULLIF(c_int, c_enum),
NULLIF(c_int, c_datetime3),
NULLIF(c_int, c_timestamp3),
NULLIF(c_int, c_date),
NULLIF(c_int, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_int, 1)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_smallint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_tinyint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_int)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_bigint)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_float)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_double)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_decimal103)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_varchar10)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_text)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_blob)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_enum)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_datetime3)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_timestamp3)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_date)` int(11) DEFAULT NULL,
`NULLIF(c_int, c_time)` int(11) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_bigint, 1),
NULLIF(c_bigint, c_smallint),
NULLIF(c_bigint, c_tinyint),
NULLIF(c_bigint, c_int),
NULLIF(c_bigint, c_bigint),
NULLIF(c_bigint, c_float),
NULLIF(c_bigint, c_double),
NULLIF(c_bigint, c_decimal103),
NULLIF(c_bigint, c_varchar10),
NULLIF(c_bigint, c_text),
NULLIF(c_bigint, c_blob),
NULLIF(c_bigint, c_enum),
NULLIF(c_bigint, c_datetime3),
NULLIF(c_bigint, c_timestamp3),
NULLIF(c_bigint, c_date),
NULLIF(c_bigint, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_bigint, 1)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_smallint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_tinyint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_int)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_bigint)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_float)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_double)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_decimal103)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_varchar10)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_text)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_blob)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_enum)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_datetime3)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_timestamp3)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_date)` bigint(20) DEFAULT NULL,
`NULLIF(c_bigint, c_time)` bigint(20) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_float, 1),
NULLIF(c_float, c_smallint),
NULLIF(c_float, c_tinyint),
NULLIF(c_float, c_int),
NULLIF(c_float, c_bigint),
NULLIF(c_float, c_float),
NULLIF(c_float, c_double),
NULLIF(c_float, c_decimal103),
NULLIF(c_float, c_varchar10),
NULLIF(c_float, c_text),
NULLIF(c_float, c_blob),
NULLIF(c_float, c_enum),
NULLIF(c_float, c_datetime3),
NULLIF(c_float, c_timestamp3),
NULLIF(c_float, c_date),
NULLIF(c_float, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_float, 1)` double DEFAULT NULL,
`NULLIF(c_float, c_smallint)` double DEFAULT NULL,
`NULLIF(c_float, c_tinyint)` double DEFAULT NULL,
`NULLIF(c_float, c_int)` double DEFAULT NULL,
`NULLIF(c_float, c_bigint)` double DEFAULT NULL,
`NULLIF(c_float, c_float)` double DEFAULT NULL,
`NULLIF(c_float, c_double)` double DEFAULT NULL,
`NULLIF(c_float, c_decimal103)` double DEFAULT NULL,
`NULLIF(c_float, c_varchar10)` double DEFAULT NULL,
`NULLIF(c_float, c_text)` double DEFAULT NULL,
`NULLIF(c_float, c_blob)` double DEFAULT NULL,
`NULLIF(c_float, c_enum)` double DEFAULT NULL,
`NULLIF(c_float, c_datetime3)` double DEFAULT NULL,
`NULLIF(c_float, c_timestamp3)` double DEFAULT NULL,
`NULLIF(c_float, c_date)` double DEFAULT NULL,
`NULLIF(c_float, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_double, 1),
NULLIF(c_double, c_smallint),
NULLIF(c_double, c_tinyint),
NULLIF(c_double, c_int),
NULLIF(c_double, c_bigint),
NULLIF(c_double, c_float),
NULLIF(c_double, c_double),
NULLIF(c_double, c_decimal103),
NULLIF(c_double, c_varchar10),
NULLIF(c_double, c_text),
NULLIF(c_double, c_blob),
NULLIF(c_double, c_enum),
NULLIF(c_double, c_datetime3),
NULLIF(c_double, c_timestamp3),
NULLIF(c_double, c_date),
NULLIF(c_double, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_double, 1)` double DEFAULT NULL,
`NULLIF(c_double, c_smallint)` double DEFAULT NULL,
`NULLIF(c_double, c_tinyint)` double DEFAULT NULL,
`NULLIF(c_double, c_int)` double DEFAULT NULL,
`NULLIF(c_double, c_bigint)` double DEFAULT NULL,
`NULLIF(c_double, c_float)` double DEFAULT NULL,
`NULLIF(c_double, c_double)` double DEFAULT NULL,
`NULLIF(c_double, c_decimal103)` double DEFAULT NULL,
`NULLIF(c_double, c_varchar10)` double DEFAULT NULL,
`NULLIF(c_double, c_text)` double DEFAULT NULL,
`NULLIF(c_double, c_blob)` double DEFAULT NULL,
`NULLIF(c_double, c_enum)` double DEFAULT NULL,
`NULLIF(c_double, c_datetime3)` double DEFAULT NULL,
`NULLIF(c_double, c_timestamp3)` double DEFAULT NULL,
`NULLIF(c_double, c_date)` double DEFAULT NULL,
`NULLIF(c_double, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_decimal103, 1),
NULLIF(c_decimal103, c_smallint),
NULLIF(c_decimal103, c_tinyint),
NULLIF(c_decimal103, c_int),
NULLIF(c_decimal103, c_bigint),
NULLIF(c_decimal103, c_float),
NULLIF(c_decimal103, c_double),
NULLIF(c_decimal103, c_decimal103),
NULLIF(c_decimal103, c_varchar10),
NULLIF(c_decimal103, c_text),
NULLIF(c_decimal103, c_blob),
NULLIF(c_decimal103, c_enum),
NULLIF(c_decimal103, c_datetime3),
NULLIF(c_decimal103, c_timestamp3),
NULLIF(c_decimal103, c_date),
NULLIF(c_decimal103, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_decimal103, 1)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_smallint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_tinyint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_int)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_bigint)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_float)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_double)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_decimal103)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_varchar10)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_text)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_blob)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_enum)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_datetime3)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_timestamp3)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_date)` decimal(10,3) DEFAULT NULL,
`NULLIF(c_decimal103, c_time)` decimal(10,3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_varchar10, 1),
NULLIF(c_varchar10, c_smallint),
NULLIF(c_varchar10, c_tinyint),
NULLIF(c_varchar10, c_int),
NULLIF(c_varchar10, c_bigint),
NULLIF(c_varchar10, c_float),
NULLIF(c_varchar10, c_double),
NULLIF(c_varchar10, c_decimal103),
NULLIF(c_varchar10, c_varchar10),
NULLIF(c_varchar10, c_text),
NULLIF(c_varchar10, c_blob),
NULLIF(c_varchar10, c_enum),
NULLIF(c_varchar10, c_datetime3),
NULLIF(c_varchar10, c_timestamp3),
NULLIF(c_varchar10, c_date),
NULLIF(c_varchar10, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_varchar10, 1)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_smallint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_tinyint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_int)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_bigint)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_float)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_double)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_decimal103)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_varchar10)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_text)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_blob)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_enum)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_datetime3)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_timestamp3)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_date)` varchar(10) DEFAULT NULL,
`NULLIF(c_varchar10, c_time)` varchar(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_text, 1),
NULLIF(c_text, c_smallint),
NULLIF(c_text, c_tinyint),
NULLIF(c_text, c_int),
NULLIF(c_text, c_bigint),
NULLIF(c_text, c_float),
NULLIF(c_text, c_double),
NULLIF(c_text, c_decimal103),
NULLIF(c_text, c_varchar10),
NULLIF(c_text, c_text),
NULLIF(c_text, c_blob),
NULLIF(c_text, c_enum),
NULLIF(c_text, c_datetime3),
NULLIF(c_text, c_timestamp3),
NULLIF(c_text, c_date),
NULLIF(c_text, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_text, 1)` longtext,
`NULLIF(c_text, c_smallint)` longtext,
`NULLIF(c_text, c_tinyint)` longtext,
`NULLIF(c_text, c_int)` longtext,
`NULLIF(c_text, c_bigint)` longtext,
`NULLIF(c_text, c_float)` longtext,
`NULLIF(c_text, c_double)` longtext,
`NULLIF(c_text, c_decimal103)` longtext,
`NULLIF(c_text, c_varchar10)` longtext,
`NULLIF(c_text, c_text)` longtext,
`NULLIF(c_text, c_blob)` longtext,
`NULLIF(c_text, c_enum)` longtext,
`NULLIF(c_text, c_datetime3)` longtext,
`NULLIF(c_text, c_timestamp3)` longtext,
`NULLIF(c_text, c_date)` longtext,
`NULLIF(c_text, c_time)` longtext
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_blob, 1),
NULLIF(c_blob, c_smallint),
NULLIF(c_blob, c_tinyint),
NULLIF(c_blob, c_int),
NULLIF(c_blob, c_bigint),
NULLIF(c_blob, c_float),
NULLIF(c_blob, c_double),
NULLIF(c_blob, c_decimal103),
NULLIF(c_blob, c_varchar10),
NULLIF(c_blob, c_text),
NULLIF(c_blob, c_blob),
NULLIF(c_blob, c_enum),
NULLIF(c_blob, c_datetime3),
NULLIF(c_blob, c_timestamp3),
NULLIF(c_blob, c_date),
NULLIF(c_blob, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_blob, 1)` longblob,
`NULLIF(c_blob, c_smallint)` longblob,
`NULLIF(c_blob, c_tinyint)` longblob,
`NULLIF(c_blob, c_int)` longblob,
`NULLIF(c_blob, c_bigint)` longblob,
`NULLIF(c_blob, c_float)` longblob,
`NULLIF(c_blob, c_double)` longblob,
`NULLIF(c_blob, c_decimal103)` longblob,
`NULLIF(c_blob, c_varchar10)` longblob,
`NULLIF(c_blob, c_text)` longblob,
`NULLIF(c_blob, c_blob)` longblob,
`NULLIF(c_blob, c_enum)` longblob,
`NULLIF(c_blob, c_datetime3)` longblob,
`NULLIF(c_blob, c_timestamp3)` longblob,
`NULLIF(c_blob, c_date)` longblob,
`NULLIF(c_blob, c_time)` longblob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_enum, 1),
NULLIF(c_enum, c_smallint),
NULLIF(c_enum, c_tinyint),
NULLIF(c_enum, c_int),
NULLIF(c_enum, c_bigint),
NULLIF(c_enum, c_float),
NULLIF(c_enum, c_double),
NULLIF(c_enum, c_decimal103),
NULLIF(c_enum, c_varchar10),
NULLIF(c_enum, c_text),
NULLIF(c_enum, c_blob),
NULLIF(c_enum, c_enum),
NULLIF(c_enum, c_datetime3),
NULLIF(c_enum, c_timestamp3),
NULLIF(c_enum, c_date),
NULLIF(c_enum, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_enum, 1)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_smallint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_tinyint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_int)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_bigint)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_float)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_double)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_decimal103)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_varchar10)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_text)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_blob)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_enum)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_datetime3)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_timestamp3)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_date)` varchar(4) DEFAULT NULL,
`NULLIF(c_enum, c_time)` varchar(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_datetime3, 1),
NULLIF(c_datetime3, c_smallint),
NULLIF(c_datetime3, c_tinyint),
NULLIF(c_datetime3, c_int),
NULLIF(c_datetime3, c_bigint),
NULLIF(c_datetime3, c_float),
NULLIF(c_datetime3, c_double),
NULLIF(c_datetime3, c_decimal103),
NULLIF(c_datetime3, c_varchar10),
NULLIF(c_datetime3, c_text),
NULLIF(c_datetime3, c_blob),
NULLIF(c_datetime3, c_enum),
NULLIF(c_datetime3, c_datetime3),
NULLIF(c_datetime3, c_timestamp3),
NULLIF(c_datetime3, c_date),
NULLIF(c_datetime3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_datetime3, 1)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_smallint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_tinyint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_int)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_bigint)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_float)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_double)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_decimal103)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_varchar10)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_text)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_blob)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_enum)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_datetime3)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_timestamp3)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_date)` datetime(3) DEFAULT NULL,
`NULLIF(c_datetime3, c_time)` datetime(3) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_timestamp3, 1),
NULLIF(c_timestamp3, c_smallint),
NULLIF(c_timestamp3, c_tinyint),
NULLIF(c_timestamp3, c_int),
NULLIF(c_timestamp3, c_bigint),
NULLIF(c_timestamp3, c_float),
NULLIF(c_timestamp3, c_double),
NULLIF(c_timestamp3, c_decimal103),
NULLIF(c_timestamp3, c_varchar10),
NULLIF(c_timestamp3, c_text),
NULLIF(c_timestamp3, c_blob),
NULLIF(c_timestamp3, c_enum),
NULLIF(c_timestamp3, c_datetime3),
NULLIF(c_timestamp3, c_timestamp3),
NULLIF(c_timestamp3, c_date),
NULLIF(c_timestamp3, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_timestamp3, 1)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_smallint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_tinyint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_int)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_bigint)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_float)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_double)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_decimal103)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_varchar10)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_text)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_blob)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_enum)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_datetime3)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_timestamp3)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_date)` timestamp(3) NULL DEFAULT NULL,
`NULLIF(c_timestamp3, c_time)` timestamp(3) NULL DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_date, 1),
NULLIF(c_date, c_smallint),
NULLIF(c_date, c_tinyint),
NULLIF(c_date, c_int),
NULLIF(c_date, c_bigint),
NULLIF(c_date, c_float),
NULLIF(c_date, c_double),
NULLIF(c_date, c_decimal103),
NULLIF(c_date, c_varchar10),
NULLIF(c_date, c_text),
NULLIF(c_date, c_blob),
NULLIF(c_date, c_enum),
NULLIF(c_date, c_datetime3),
NULLIF(c_date, c_timestamp3),
NULLIF(c_date, c_date),
NULLIF(c_date, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_date, 1)` date DEFAULT NULL,
`NULLIF(c_date, c_smallint)` date DEFAULT NULL,
`NULLIF(c_date, c_tinyint)` date DEFAULT NULL,
`NULLIF(c_date, c_int)` date DEFAULT NULL,
`NULLIF(c_date, c_bigint)` date DEFAULT NULL,
`NULLIF(c_date, c_float)` date DEFAULT NULL,
`NULLIF(c_date, c_double)` date DEFAULT NULL,
`NULLIF(c_date, c_decimal103)` date DEFAULT NULL,
`NULLIF(c_date, c_varchar10)` date DEFAULT NULL,
`NULLIF(c_date, c_text)` date DEFAULT NULL,
`NULLIF(c_date, c_blob)` date DEFAULT NULL,
`NULLIF(c_date, c_enum)` date DEFAULT NULL,
`NULLIF(c_date, c_datetime3)` date DEFAULT NULL,
`NULLIF(c_date, c_timestamp3)` date DEFAULT NULL,
`NULLIF(c_date, c_date)` date DEFAULT NULL,
`NULLIF(c_date, c_time)` date DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(c_time, 1),
NULLIF(c_time, c_smallint),
NULLIF(c_time, c_tinyint),
NULLIF(c_time, c_int),
NULLIF(c_time, c_bigint),
NULLIF(c_time, c_float),
NULLIF(c_time, c_double),
NULLIF(c_time, c_decimal103),
NULLIF(c_time, c_varchar10),
NULLIF(c_time, c_text),
NULLIF(c_time, c_blob),
NULLIF(c_time, c_enum),
NULLIF(c_time, c_datetime3),
NULLIF(c_time, c_timestamp3),
NULLIF(c_time, c_date),
NULLIF(c_time, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(c_time, 1)` time DEFAULT NULL,
`NULLIF(c_time, c_smallint)` time DEFAULT NULL,
`NULLIF(c_time, c_tinyint)` time DEFAULT NULL,
`NULLIF(c_time, c_int)` time DEFAULT NULL,
`NULLIF(c_time, c_bigint)` time DEFAULT NULL,
`NULLIF(c_time, c_float)` time DEFAULT NULL,
`NULLIF(c_time, c_double)` time DEFAULT NULL,
`NULLIF(c_time, c_decimal103)` time DEFAULT NULL,
`NULLIF(c_time, c_varchar10)` time DEFAULT NULL,
`NULLIF(c_time, c_text)` time DEFAULT NULL,
`NULLIF(c_time, c_blob)` time DEFAULT NULL,
`NULLIF(c_time, c_enum)` time DEFAULT NULL,
`NULLIF(c_time, c_datetime3)` time DEFAULT NULL,
`NULLIF(c_time, c_timestamp3)` time DEFAULT NULL,
`NULLIF(c_time, c_date)` time DEFAULT NULL,
`NULLIF(c_time, c_time)` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
#
# Checking that the return type depends only on args[0], even if compared to a field
#
CREATE TABLE t2 AS SELECT
NULLIF(1, 1),
NULLIF(1, c_smallint),
NULLIF(1, c_tinyint),
NULLIF(1, c_int),
NULLIF(1, c_bigint),
NULLIF(1, c_float),
NULLIF(1, c_double),
NULLIF(1, c_decimal103),
NULLIF(1, c_varchar10),
NULLIF(1, c_text),
NULLIF(1, c_blob),
NULLIF(1, c_enum),
NULLIF(1, c_datetime3),
NULLIF(1, c_timestamp3),
NULLIF(1, c_date),
NULLIF(1, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1, 1)` int(1) DEFAULT NULL,
`NULLIF(1, c_smallint)` int(1) DEFAULT NULL,
`NULLIF(1, c_tinyint)` int(1) DEFAULT NULL,
`NULLIF(1, c_int)` int(1) DEFAULT NULL,
`NULLIF(1, c_bigint)` int(1) DEFAULT NULL,
`NULLIF(1, c_float)` int(1) DEFAULT NULL,
`NULLIF(1, c_double)` int(1) DEFAULT NULL,
`NULLIF(1, c_decimal103)` int(1) DEFAULT NULL,
`NULLIF(1, c_varchar10)` int(1) DEFAULT NULL,
`NULLIF(1, c_text)` int(1) DEFAULT NULL,
`NULLIF(1, c_blob)` int(1) DEFAULT NULL,
`NULLIF(1, c_enum)` int(1) DEFAULT NULL,
`NULLIF(1, c_datetime3)` int(1) DEFAULT NULL,
`NULLIF(1, c_timestamp3)` int(1) DEFAULT NULL,
`NULLIF(1, c_date)` int(1) DEFAULT NULL,
`NULLIF(1, c_time)` int(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1.0, 1),
NULLIF(1.0, c_smallint),
NULLIF(1.0, c_tinyint),
NULLIF(1.0, c_int),
NULLIF(1.0, c_bigint),
NULLIF(1.0, c_float),
NULLIF(1.0, c_double),
NULLIF(1.0, c_decimal103),
NULLIF(1.0, c_varchar10),
NULLIF(1.0, c_text),
NULLIF(1.0, c_blob),
NULLIF(1.0, c_enum),
NULLIF(1.0, c_datetime3),
NULLIF(1.0, c_timestamp3),
NULLIF(1.0, c_date),
NULLIF(1.0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1.0, 1)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_smallint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_tinyint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_int)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_bigint)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_float)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_double)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_decimal103)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_varchar10)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_text)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_blob)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_enum)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_datetime3)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_timestamp3)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_date)` decimal(2,1) DEFAULT NULL,
`NULLIF(1.0, c_time)` decimal(2,1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(1e0, 1),
NULLIF(1e0, c_smallint),
NULLIF(1e0, c_tinyint),
NULLIF(1e0, c_int),
NULLIF(1e0, c_bigint),
NULLIF(1e0, c_float),
NULLIF(1e0, c_double),
NULLIF(1e0, c_decimal103),
NULLIF(1e0, c_varchar10),
NULLIF(1e0, c_text),
NULLIF(1e0, c_blob),
NULLIF(1e0, c_enum),
NULLIF(1e0, c_datetime3),
NULLIF(1e0, c_timestamp3),
NULLIF(1e0, c_date),
NULLIF(1e0, c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(1e0, 1)` double DEFAULT NULL,
`NULLIF(1e0, c_smallint)` double DEFAULT NULL,
`NULLIF(1e0, c_tinyint)` double DEFAULT NULL,
`NULLIF(1e0, c_int)` double DEFAULT NULL,
`NULLIF(1e0, c_bigint)` double DEFAULT NULL,
`NULLIF(1e0, c_float)` double DEFAULT NULL,
`NULLIF(1e0, c_double)` double DEFAULT NULL,
`NULLIF(1e0, c_decimal103)` double DEFAULT NULL,
`NULLIF(1e0, c_varchar10)` double DEFAULT NULL,
`NULLIF(1e0, c_text)` double DEFAULT NULL,
`NULLIF(1e0, c_blob)` double DEFAULT NULL,
`NULLIF(1e0, c_enum)` double DEFAULT NULL,
`NULLIF(1e0, c_datetime3)` double DEFAULT NULL,
`NULLIF(1e0, c_timestamp3)` double DEFAULT NULL,
`NULLIF(1e0, c_date)` double DEFAULT NULL,
`NULLIF(1e0, c_time)` double DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF('1', 1),
NULLIF('1', c_smallint),
NULLIF('1', c_tinyint),
NULLIF('1', c_int),
NULLIF('1', c_bigint),
NULLIF('1', c_float),
NULLIF('1', c_double),
NULLIF('1', c_decimal103),
NULLIF('1', c_varchar10),
NULLIF('1', c_text),
NULLIF('1', c_blob),
NULLIF('1', c_enum),
NULLIF('1', c_datetime3),
NULLIF('1', c_timestamp3),
NULLIF('1', c_date),
NULLIF('1', c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF('1', 1)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_smallint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_tinyint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_int)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_bigint)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_float)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_double)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_decimal103)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_varchar10)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_text)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_blob)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_enum)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_datetime3)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_timestamp3)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_date)` varchar(1) DEFAULT NULL,
`NULLIF('1', c_time)` varchar(1) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
CREATE TABLE t2 AS SELECT
NULLIF(TIME'10:10:10', 1),
NULLIF(TIME'10:10:10', c_smallint),
NULLIF(TIME'10:10:10', c_tinyint),
NULLIF(TIME'10:10:10', c_int),
NULLIF(TIME'10:10:10', c_bigint),
NULLIF(TIME'10:10:10', c_float),
NULLIF(TIME'10:10:10', c_double),
NULLIF(TIME'10:10:10', c_decimal103),
NULLIF(TIME'10:10:10', c_varchar10),
NULLIF(TIME'10:10:10', c_text),
NULLIF(TIME'10:10:10', c_blob),
NULLIF(TIME'10:10:10', c_enum),
NULLIF(TIME'10:10:10', c_datetime3),
NULLIF(TIME'10:10:10', c_timestamp3),
NULLIF(TIME'10:10:10', c_date),
NULLIF(TIME'10:10:10', c_time)
FROM t1;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`NULLIF(TIME'10:10:10', 1)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_smallint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_tinyint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_int)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_bigint)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_float)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_double)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_decimal103)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_varchar10)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_text)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_blob)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_enum)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_datetime3)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_timestamp3)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_date)` time DEFAULT NULL,
`NULLIF(TIME'10:10:10', c_time)` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t2;
DROP TABLE t1;
#
2015-03-12 08:40:37 +01:00
# MDEV-7759 NULLIF(x,y) is not equal to CASE WHEN x=y THEN NULL ELSE x END
#
CREATE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (2010),(2020);
SELECT * FROM t1 WHERE a=2010 AND NULLIF(10.1,a) IS NULL;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND NULLIF(10.1,a) IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
2015-09-09 06:11:43 +02:00
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 2010)
2015-03-12 08:40:37 +01:00
SELECT * FROM t1 WHERE a=2010 AND CASE WHEN 10.1=a THEN NULL ELSE 10.1 END IS NULL;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND CASE WHEN 10.1=a THEN NULL ELSE 10.1 END IS NULL;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
2015-09-09 06:11:43 +02:00
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` = 2010)
2015-03-12 08:40:37 +01:00
DROP TABLE t1;
# Two warnings expected
CREATE TABLE t1 AS SELECT
NULLIF(TIMESTAMP'2001-01-01 00:00:00',1) AS a,
CASE WHEN TIMESTAMP'2001-01-01 00:00:00'=1 THEN NULL
ELSE TIMESTAMP'2001-01-01 00:00:00'
END AS b;
Warnings:
Warning 1292 Incorrect datetime value: '1'
Warning 1292 Incorrect datetime value: '1'
DROP TABLE t1;
#
2014-11-20 08:59:00 +01:00
# End of 10.1 tests
#