mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
ef452e19bf
- 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
100 lines
3.2 KiB
Text
100 lines
3.2 KiB
Text
drop table if exists t1;
|
|
create table t1 (s1 char(64),s2 char(64));
|
|
insert into t1 values('aaa','aaa');
|
|
insert into t1 values('aaa|qqq','qqq');
|
|
insert into t1 values('gheis','^[^a-dXYZ]+$');
|
|
insert into t1 values('aab','^aa?b');
|
|
insert into t1 values('Baaan','^Ba*n');
|
|
insert into t1 values('aaa','qqq|aaa');
|
|
insert into t1 values('qqq','qqq|aaa');
|
|
insert into t1 values('bbb','qqq|aaa');
|
|
insert into t1 values('bbb','qqq');
|
|
insert into t1 values('aaa','aba');
|
|
insert into t1 values(null,'abc');
|
|
insert into t1 values('def',null);
|
|
insert into t1 values(null,null);
|
|
insert into t1 values('ghi','ghi[');
|
|
select HIGH_PRIORITY s1 regexp s2 from t1;
|
|
s1 regexp s2
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
0
|
|
0
|
|
0
|
|
NULL
|
|
NULL
|
|
NULL
|
|
NULL
|
|
drop table t1;
|
|
create table t1 (xxx char(128));
|
|
insert into t1 (xxx) values('this is a test of some long text to see what happens');
|
|
select * from t1 where xxx regexp('is a test of some long text to');
|
|
xxx
|
|
this is a test of some long text to see what happens
|
|
explain extended select * from t1 where xxx regexp('is a test of some long text to');
|
|
id select_type table type possible_keys key key_len ref rows filtered Extra
|
|
1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
|
|
Warnings:
|
|
Note 1003 select `test`.`t1`.`xxx` AS `xxx` from `test`.`t1` where (`test`.`t1`.`xxx` regexp _latin1'is a test of some long text to')
|
|
select * from t1 where xxx regexp('is a test of some long text to ');
|
|
xxx
|
|
this is a test of some long text to see what happens
|
|
select * from t1 where xxx regexp('is a test of some long text to s');
|
|
xxx
|
|
this is a test of some long text to see what happens
|
|
select * from t1 where xxx regexp('is a test of some long text to se');
|
|
xxx
|
|
this is a test of some long text to see what happens
|
|
drop table t1;
|
|
create table t1 (xxx char(128));
|
|
insert into t1 (xxx) values('this is some text: to test - out.reg exp (22/45)');
|
|
select * from t1 where xxx REGEXP '^this is some text: to test - out\\.reg exp [[(][0-9]+[/\\][0-9]+[])][ ]*$';
|
|
xxx
|
|
this is some text: to test - out.reg exp (22/45)
|
|
drop table t1;
|
|
select _latin1 0xFF regexp _latin1 '[[:lower:]]' COLLATE latin1_bin;
|
|
_latin1 0xFF regexp _latin1 '[[:lower:]]' COLLATE latin1_bin
|
|
1
|
|
select _koi8r 0xFF regexp _koi8r '[[:lower:]]' COLLATE koi8r_bin;
|
|
_koi8r 0xFF regexp _koi8r '[[:lower:]]' COLLATE koi8r_bin
|
|
0
|
|
select _latin1 0xFF regexp _latin1 '[[:upper:]]' COLLATE latin1_bin;
|
|
_latin1 0xFF regexp _latin1 '[[:upper:]]' COLLATE latin1_bin
|
|
0
|
|
select _koi8r 0xFF regexp _koi8r '[[:upper:]]' COLLATE koi8r_bin;
|
|
_koi8r 0xFF regexp _koi8r '[[:upper:]]' COLLATE koi8r_bin
|
|
1
|
|
select _latin1 0xF7 regexp _latin1 '[[:alpha:]]';
|
|
_latin1 0xF7 regexp _latin1 '[[:alpha:]]'
|
|
0
|
|
select _koi8r 0xF7 regexp _koi8r '[[:alpha:]]';
|
|
_koi8r 0xF7 regexp _koi8r '[[:alpha:]]'
|
|
1
|
|
select _latin1'a' regexp _latin1'A' collate latin1_general_ci;
|
|
_latin1'a' regexp _latin1'A' collate latin1_general_ci
|
|
1
|
|
select _latin1'a' regexp _latin1'A' collate latin1_bin;
|
|
_latin1'a' regexp _latin1'A' collate latin1_bin
|
|
0
|
|
create table t1 (a varchar(40));
|
|
insert into t1 values ('C1'),('C2'),('R1'),('C3'),('R2'),('R3');
|
|
prepare stmt1 from 'select a from t1 where a rlike ? order by a';
|
|
set @a="^C.*";
|
|
execute stmt1 using @a;
|
|
a
|
|
C1
|
|
C2
|
|
C3
|
|
set @a="^R.*";
|
|
execute stmt1 using @a;
|
|
a
|
|
R1
|
|
R2
|
|
R3
|
|
deallocate prepare stmt1;
|
|
drop table t1;
|