mariadb/mysql-test/r/func_like.result
unknown ef452e19bf BUG#14940 "MySQL choose wrong index", v.2
- Make the range-et-al optimizer produce E(#table records after table 
                                           condition is applied),
- Make the join optimizer use this value,
- Add "filtered" column to EXPLAIN EXTENDED to show 
  fraction of records left after table condition is applied
- Adjust test results, add comments


mysql-test/r/archive_gis.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/auto_increment.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/bdb_gis.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/bench_count_distinct.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/binlog_stm_blackhole.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/case.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/cast.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/compress.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/ctype_collate.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/ctype_cp1250_ch.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/date_formats.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/distinct.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/fulltext.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_compress.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_crypt.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_default.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_encrypt.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_gconcat.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_group.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_if.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_in.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_like.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_math.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_op.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_regexp.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_set.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_str.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_system.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_test.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/func_time.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/gis.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/group_by.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/group_min_max.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/having.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/heap.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/heap_hash.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/index_merge.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/index_merge_innodb.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/index_merge_ror.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/innodb_gis.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/insert_update.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/join.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/join_nested.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/key_diff.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/myisam.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/ndb_gis.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/negation_elimination.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/null.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/olap.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/partition_pruning.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/query_cache.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/row.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/rpl_get_lock.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/rpl_master_pos_wait.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/select.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/ssl.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/ssl_compress.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/subselect.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/type_blob.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/union.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/varbinary.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/variables.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/r/view.result:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/ctype_cp1250_ch.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/func_like.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/group_min_max.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/index_merge_ror.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/index_merge_ror_cpk.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/join.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
mysql-test/t/partition_pruning.test:
  BUG#14940: Adjust the test results: EXPLAIN EXTENDED now has extra "filtered" column
sql/opt_range.cc:
  BUG#14940: Make range/index_merge/group-min-max optimizer produce TABLE::quick_condition_rows -
    estimate of #records that will match the table condition.
sql/sql_class.cc:
  BUG#14940: Add "filtered" column to output of EXPLAIN EXTENDED
sql/sql_select.cc:
  BUG#14940: 
  - Make the join optimizer to use TABLE::quick_condition_rows=
    = E(#table records after filtering with table condition) 
  - Add "filtered" column to output of EXPLAIN EXTENDED
sql/sql_select.h:
  BUG#14940: Added comments
sql/table.h:
  BUG#14940: Added comments
2006-07-28 21:27:01 +04:00

171 lines
3.9 KiB
Text

drop table if exists t1;
create table t1 (a varchar(10), key(a));
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
explain extended select * from t1 where a like 'abc%';
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index a a 13 NULL 5 20.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` like _latin1'abc%')
explain extended select * from t1 where a like concat('abc','%');
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index a a 13 NULL 5 20.00 Using where; Using index
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where (`test`.`t1`.`a` like concat(_latin1'abc',_latin1'%'))
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
create table t1 (a varchar(10), key(a));
insert into t1 values ('a'), ('a\\b');
select * from t1 where a like 'a\\%' escape '#';
a
a\b
select * from t1 where a like 'a\\%' escape '#' and a like 'a\\\\b';
a
a\b
prepare stmt1 from 'select * from t1 where a like \'a\\%\' escape ?';
set @esc='#';
execute stmt1 using @esc;
a
a\b
deallocate prepare stmt1;
drop table t1;
create table t1 (a datetime);
insert into t1 values ('2004-03-11 12:00:21');
select * from t1 where a like '2004-03-11 12:00:21';
a
2004-03-11 12:00:21
drop table t1;
SET NAMES koi8r;
CREATE TABLE t1 (a VARCHAR(10) CHARACTER SET koi8r);
INSERT INTO t1 VALUES ('ÆÙ×Á'),('æÙ×Á'),('Æù×Á'),('ÆÙ÷Á'),('ÆÙ×á'),('æù÷á');
INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏÌÄÖ'),('æÙ×ÁÐÒÏÌÄÖ'),('Æù×ÁÐÒÏÌÄÖ'),('ÆÙ÷ÁÐÒÏÌÄÖ');
INSERT INTO t1 VALUES ('ÆÙ×áÐÒÏÌÄÖ'),('ÆÙ×ÁðÒÏÌÄÖ'),('ÆÙ×ÁÐòÏÌÄÖ'),('ÆÙ×ÁÐÒïÌÄÖ');
INSERT INTO t1 VALUES ('ÆÙ×ÁÐÒÏìÄÖ'),('ÆÙ×ÁÐÒÏÌäÖ'),('ÆÙ×ÁÐÒÏÌÄö'),('æù÷áðòïìäö');
SELECT * FROM t1 WHERE a LIKE '%Æù×Á%';
a
ÆÙ×Á
æÙ×Á
Æù×Á
ÆÙ÷Á
ÆÙ×á
æù÷á
ÆÙ×ÁÐÒÏÌÄÖ
æÙ×ÁÐÒÏÌÄÖ
Æù×ÁÐÒÏÌÄÖ
ÆÙ÷ÁÐÒÏÌÄÖ
ÆÙ×áÐÒÏÌÄÖ
ÆÙ×ÁðÒÏÌÄÖ
ÆÙ×ÁÐòÏÌÄÖ
ÆÙ×ÁÐÒïÌÄÖ
ÆÙ×ÁÐÒÏìÄÖ
ÆÙ×ÁÐÒÏÌäÖ
ÆÙ×ÁÐÒÏÌÄö
æù÷áðòïìäö
SELECT * FROM t1 WHERE a LIKE '%Æù×%';
a
ÆÙ×Á
æÙ×Á
Æù×Á
ÆÙ÷Á
ÆÙ×á
æù÷á
ÆÙ×ÁÐÒÏÌÄÖ
æÙ×ÁÐÒÏÌÄÖ
Æù×ÁÐÒÏÌÄÖ
ÆÙ÷ÁÐÒÏÌÄÖ
ÆÙ×áÐÒÏÌÄÖ
ÆÙ×ÁðÒÏÌÄÖ
ÆÙ×ÁÐòÏÌÄÖ
ÆÙ×ÁÐÒïÌÄÖ
ÆÙ×ÁÐÒÏìÄÖ
ÆÙ×ÁÐÒÏÌäÖ
ÆÙ×ÁÐÒÏÌÄö
æù÷áðòïìäö
SELECT * FROM t1 WHERE a LIKE 'Æù×Á%';
a
ÆÙ×Á
æÙ×Á
Æù×Á
ÆÙ÷Á
ÆÙ×á
æù÷á
ÆÙ×ÁÐÒÏÌÄÖ
æÙ×ÁÐÒÏÌÄÖ
Æù×ÁÐÒÏÌÄÖ
ÆÙ÷ÁÐÒÏÌÄÖ
ÆÙ×áÐÒÏÌÄÖ
ÆÙ×ÁðÒÏÌÄÖ
ÆÙ×ÁÐòÏÌÄÖ
ÆÙ×ÁÐÒïÌÄÖ
ÆÙ×ÁÐÒÏìÄÖ
ÆÙ×ÁÐÒÏÌäÖ
ÆÙ×ÁÐÒÏÌÄö
æù÷áðòïìäö
DROP TABLE t1;
SET NAMES cp1250;
CREATE TABLE t1 (a varchar(250) NOT NULL) DEFAULT CHARACTER SET=cp1250;
INSERT INTO t1 VALUES
('Techni Tapes Sp. z o.o.'),
('Pojazdy Szynowe PESA Bydgoszcz SA Holding'),
('AKAPESTER 1 P.P.H.U.'),
('Pojazdy Szynowe PESA Bydgoszcz S A Holding'),
('PPUH PESKA-I Maria Struniarska');
select * from t1 where a like '%PESA%';
a
Pojazdy Szynowe PESA Bydgoszcz SA Holding
Pojazdy Szynowe PESA Bydgoszcz S A Holding
select * from t1 where a like '%PESA %';
a
Pojazdy Szynowe PESA Bydgoszcz SA Holding
Pojazdy Szynowe PESA Bydgoszcz S A Holding
select * from t1 where a like '%PES%';
a
Techni Tapes Sp. z o.o.
Pojazdy Szynowe PESA Bydgoszcz SA Holding
AKAPESTER 1 P.P.H.U.
Pojazdy Szynowe PESA Bydgoszcz S A Holding
PPUH PESKA-I Maria Struniarska
select * from t1 where a like '%PESKA%';
a
PPUH PESKA-I Maria Struniarska
select * from t1 where a like '%ESKA%';
a
PPUH PESKA-I Maria Struniarska
DROP TABLE t1;
select _cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin;
_cp866'aaaaaaaaa' like _cp866'%aaaa%' collate cp866_bin
1
set names koi8r;
select 'andre%' like 'andreÊ%' escape 'Ê';
'andre%' like 'andreÊ%' escape 'Ê'
1
select _cp1251'andre%' like convert('andreÊ%' using cp1251) escape 'Ê';
_cp1251'andre%' like convert('andreÊ%' using cp1251) escape 'Ê'
1