mirror of
https://github.com/MariaDB/server.git
synced 2025-11-03 14:33:32 +03:00
1319 lines
38 KiB
Plaintext
1319 lines
38 KiB
Plaintext
--disable_warnings
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drop table if exists t0, t1, t2, t3, t4, t5, t11, t12, t21, t22;
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--enable_warnings
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set @subselect3_tmp= @@optimizer_switch;
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set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on,semijoin_with_cache=on';
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if (`select @join_cache_level_for_subselect3_test is null`)
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{
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set join_cache_level=1;
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}
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if (`select @join_cache_level_for_subselect3_test is not null`)
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{
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set join_cache_level=@join_cache_level_for_subselect3_test;
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}
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#
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# 1. Subquery with GROUP/HAVING
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#
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create table t1 (oref int, grp int, ie int) ;
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insert into t1 (oref, grp, ie) values
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(1, 1, 1),
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(1, 1, 1),
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(1, 2, NULL),
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(2, 1, 3),
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(3, 1, 4),
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(3, 2, NULL);
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# Ok, for
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# select max(ie) from t1 where oref=PARAM group by grp
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# we'll have:
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# PARAM subquery result
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# 1 -> {(1), (NULL)} matching + NULL
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# 2 -> {(3)} non-matching
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# 3 -> {(3), (NULL)} non-matching + NULL
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# 4 -> {} empty set
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create table t2 (oref int, a int);
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insert into t2 values
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(1, 1),
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(2, 2),
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(3, 3),
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(4, NULL),
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(2, NULL);
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# true, false, null, false, null
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select a, oref, a in (select max(ie)
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from t1 where oref=t2.oref group by grp) Z from t2;
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# This must have a trigcond
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explain extended
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select a, oref, a in (select max(ie)
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from t1 where oref=t2.oref group by grp) Z from t2;
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# This must not have a trigcond:
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explain extended
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select a, oref from t2
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where a in (select max(ie) from t1 where oref=t2.oref group by grp);
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select a, oref, a in (
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select max(ie) from t1 where oref=t2.oref group by grp union
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select max(ie) from t1 where oref=t2.oref group by grp
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) Z from t2;
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# Non-correlated subquery, 2 NULL evaluations
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create table t3 (a int);
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insert into t3 values (NULL), (NULL);
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flush status;
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select a in (select max(ie) from t1 where oref=4 group by grp) from t3;
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show status like 'Handler_read_rnd_next';
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select ' ^ This must show 11' Z;
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set @save_optimizer_switch=@@optimizer_switch;
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set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
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# This must show trigcond:
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explain extended select a in (select max(ie) from t1 where oref=4 group by grp) from t3;
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set @@optimizer_switch=@save_optimizer_switch;
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drop table t1, t2, t3;
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#
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# 2. Subquery handled with 'index_subquery':
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#
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create table t1 (a int, oref int, key(a));
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insert into t1 values
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(1, 1),
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(1, NULL),
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(2, 3),
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(2, NULL),
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(3, NULL);
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insert into t1 values (5, 7), (8, 9), (4, 1);
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create table t2 (a int, oref int);
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insert into t2 values (1, 1), (2,2), (NULL, 3), (NULL, 4);
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select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
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# The next explain shows "using index" but that is just incorrect display
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# (there is a bug filed about this).
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explain extended
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select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
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flush status;
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select oref, a from t2 where a in (select a from t1 where oref=t2.oref);
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# This will only show access to t2:
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show status like '%Handler_read_rnd_next';
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# Check that repeated NULL-scans are not cached (subq. is not correlated):
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delete from t2;
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insert into t2 values (NULL, 0),(NULL, 0), (NULL, 0), (NULL, 0);
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set optimizer_switch='subquery_cache=off';
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flush status;
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select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
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show status like '%Handler_read%';
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select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
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set @@optimizer_switch=@save_optimizer_switch;
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drop table t1, t2;
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#
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# 3. Subquery handled with 'unique_index_subquery':
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#
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create table t1 (a int, b int, primary key (a));
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insert into t1 values (1,1), (3,1),(100,1);
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create table t2 (a int, b int);
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insert into t2 values (1,1),(2,1),(NULL,1),(NULL,0);
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select a,b, a in (select a from t1 where t1.b = t2.b) Z from t2 ;
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drop table t1, t2;
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#
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# 4. Subquery that is a join, with ref access
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#
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create table t1 (a int, b int, key(a));
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insert into t1 values
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(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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create table t2 like t1;
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insert into t2 select * from t1;
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update t2 set b=1;
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create table t3 (a int, oref int);
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insert into t3 values (1, 1), (NULL,1), (NULL,0);
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select a, oref,
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t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z
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from t3;
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# This must have trigcond in WHERE and HAVING:
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explain extended
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select a, oref,
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t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z
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from t3;
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drop table t1, t2, t3;
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#
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# BUG#24085: Wrong query result for "NULL IN (SELECT ... UNION SELECT ...)"
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#
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# case 1: NULL IN (SELECT not_null_val FROM ...) w/o HAVING/GROUP-BY/etc
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create table t1 (a int NOT NULL, b int NOT NULL, key(a));
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insert into t1 values
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(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
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create table t2 like t1;
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insert into t2 select * from t1;
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update t2 set b=1;
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create table t3 (a int, oref int);
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insert into t3 values (1, 1), (NULL,1), (NULL,0);
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select a, oref,
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t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z
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from t3;
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--echo This must show a trig_cond:
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explain extended
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select a, oref,
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t3.a in (select t1.a from t1, t2 where t1.b=t2.a and t2.b=t3.oref) Z
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from t3;
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drop table t1,t2,t3;
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# case 2: NULL IN (SELECT not_null_val FROM) where SELECT has GROUP BY
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create table t1 (oref int, grp int);
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insert into t1 (oref, grp) values
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(1, 1),
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(1, 1);
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# Ok, for
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# select count(*) from t1 group by grp having grp=PARAM
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# we'll have:
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# PARAM subuqery result
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# 1 -> {(2)}
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# 2 -> {} - empty set
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create table t2 (oref int, a int);
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insert into t2 values
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(1, NULL),
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(2, NULL);
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select a, oref,
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a in (select count(*) from t1 group by grp having grp=t2.oref) Z from t2;
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--echo This must show a trig_cond:
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explain extended
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select a, oref,
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a in (select count(*) from t1 group by grp having grp=t2.oref) Z from t2;
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drop table t1, t2;
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create table t1 (a int, b int, primary key (a));
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insert into t1 values (1,1), (3,1),(100,1);
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create table t2 (a int, b int);
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insert into t2 values (1,1),(2,1),(NULL,1),(NULL,0);
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select a,b, a in (select a from t1 where t1.b = t2.b union select a from
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t1 where t1.b = t2.b) Z from t2 ;
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select a,b, a in (select a from t1 where t1.b = t2.b) Z from t2 ;
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drop table t1, t2;
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#
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# BUG#24127: Incorrect results of row-based subqueries with NULLs on the left side.
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#
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create table t3 (a int);
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insert into t3 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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create table t2 (a int, b int, oref int);
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insert into t2 values (NULL,1, 100), (NULL,2, 100);
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create table t1 (a int, b int, c int, key(a,b));
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insert into t1 select 2*A, 2*A, 100 from t3;
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# First test index subquery engine
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explain extended select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
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select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
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# Then check that we do turn off 'ref' scans in the subquery
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create table t4 (x int);
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insert into t4 select A.a + 10*B.a from t1 A, t1 B;
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explain extended
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select a,b, oref,
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(a,b) in (select a,b from t1,t4 where c=t2.oref) Z
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from t2;
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select a,b, oref,
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(a,b) in (select a,b from t1,t4 where c=t2.oref) Z
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from t2;
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drop table t1,t2,t3,t4;
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# More tests for tricky multi-column cases, where some of pushed-down
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# equalities are used for index lookups and some arent.
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create table t1 (oref char(4), grp int, ie1 int, ie2 int);
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insert into t1 (oref, grp, ie1, ie2) values
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('aa', 10, 2, 1),
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('aa', 10, 1, 1),
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('aa', 20, 2, 1),
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('bb', 10, 3, 1),
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('cc', 10, 4, 2),
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('cc', 20, 3, 2),
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('ee', 10, 2, 1),
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('ee', 10, 1, 2),
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('ff', 20, 2, 2),
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('ff', 20, 1, 2);
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create table t2 (oref char(4), a int, b int);
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insert into t2 values
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('ee', NULL, 1),
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('bb', 2, 1),
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('ff', 2, 2),
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('cc', 3, NULL),
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('bb', NULL, NULL),
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('aa', 1, 1),
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('dd', 1, NULL);
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alter table t1 add index idx(ie1,ie2);
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# cc 3 NULL NULL
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=3 and b is null ;
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insert into t2 values ('new1', 10,10);
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insert into t1 values ('new1', 1234, 10, NULL);
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# new1, 10, 10, NULL,
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=10 and b=10;
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explain extended
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=10 and b=10;
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drop table t1, t2;
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# Now test different column types:
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create table t1 (oref char(4), grp int, ie int);
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insert into t1 (oref, grp, ie) values
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('aa', 10, 2),
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('aa', 10, 1),
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('aa', 20, NULL),
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('bb', 10, 3),
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('cc', 10, 4),
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('cc', 20, NULL),
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('ee', 10, NULL),
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('ee', 10, NULL),
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('ff', 20, 2),
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('ff', 20, 1);
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create table t2 (oref char(4), a int);
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insert into t2 values
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('ee', NULL),
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('bb', 2),
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('ff', 2),
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('cc', 3),
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('aa', 1),
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('dd', NULL),
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('bb', NULL);
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select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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select oref, a from t2 where a in (select ie from t1 where oref=t2.oref);
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select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref);
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select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2;
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select oref, a from t2 where
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a in (select min(ie) from t1 where oref=t2.oref group by grp);
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select oref, a from t2 where
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a not in (select min(ie) from t1 where oref=t2.oref group by grp);
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#
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update t1 set ie=3 where oref='ff' and ie=1;
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select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by
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grp) Z from t2;
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select oref, a from t2 where a in (select min(ie) from t1 where
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oref=t2.oref group by grp);
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select oref, a from t2 where a not in (select min(ie) from t1 where
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oref=t2.oref group by grp);
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select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by
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grp having min(ie) > 1) Z from t2;
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select oref, a from t2 where a in (select min(ie) from t1 where
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oref=t2.oref group by grp having min(ie) > 1);
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select oref, a from t2 where a not in (select min(ie) from t1 where
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oref=t2.oref group by grp having min(ie) > 1);
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#
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alter table t1 add index idx(ie);
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explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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select oref, a from t2 where a in (select ie from t1 where oref=t2.oref);
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select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref);
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alter table t1 drop index idx;
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alter table t1 add index idx(oref,ie);
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explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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select oref, a from t2 where a in (select ie from t1 where oref=t2.oref);
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select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref);
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explain
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select oref, a,
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a in (select min(ie) from t1 where oref=t2.oref
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group by grp having min(ie) > 1) Z
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from t2;
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select oref, a,
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a in (select min(ie) from t1 where oref=t2.oref
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group by grp having min(ie) > 1) Z
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from t2;
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select oref, a from t2 where a in (select min(ie) from t1 where oref=t2.oref
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group by grp having min(ie) > 1);
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select oref, a from t2 where a not in (select min(ie) from t1 where oref=t2.oref
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group by grp having min(ie) > 1);
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drop table t1,t2;
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create table t1 (oref char(4), grp int, ie1 int, ie2 int);
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insert into t1 (oref, grp, ie1, ie2) values
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('aa', 10, 2, 1),
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('aa', 10, 1, 1),
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('aa', 20, 2, 1),
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('bb', 10, 3, 1),
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('cc', 10, 4, 2),
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('cc', 20, 3, 2),
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('ee', 10, 2, 1),
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('ee', 10, 1, 2),
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('ff', 20, 2, 2),
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('ff', 20, 1, 2);
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create table t2 (oref char(4), a int, b int);
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insert into t2 values
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('ee', NULL, 1),
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('bb', 2, 1),
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('ff', 2, 2),
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('cc', 3, NULL),
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('bb', NULL, NULL),
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('aa', 1, 1),
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('dd', 1, NULL);
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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select oref, a, b from t2 where (a,b) in (select ie1,ie2 from t1 where oref=t2.oref);
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select oref, a, b from t2 where (a,b) not in (select ie1,ie2 from t1 where oref=t2.oref);
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select oref, a, b,
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(a,b) in (select min(ie1),max(ie2) from t1
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where oref=t2.oref group by grp) Z
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from t2;
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select oref, a, b from t2 where
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(a,b) in (select min(ie1), max(ie2) from t1 where oref=t2.oref group by grp);
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select oref, a, b from t2 where
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(a,b) not in (select min(ie1), max(ie2) from t1 where oref=t2.oref group by grp);
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alter table t1 add index idx(ie1,ie2);
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explain select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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select oref, a, b from t2 where (a,b) in (select ie1,ie2 from t1 where oref=t2.oref);
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select oref, a, b from t2 where (a,b) not in (select ie1,ie2 from t1 where oref=t2.oref);
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explain extended
|
|
select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
|
|
|
|
drop table t1,t2;
|
|
|
|
create table t1 (oref char(4), grp int, ie int primary key);
|
|
insert into t1 (oref, grp, ie) values
|
|
('aa', 10, 2),
|
|
('aa', 10, 1),
|
|
|
|
('bb', 10, 3),
|
|
|
|
('cc', 10, 4),
|
|
('cc', 20, 5),
|
|
('cc', 10, 6);
|
|
|
|
create table t2 (oref char(4), a int);
|
|
insert into t2 values
|
|
('ee', NULL),
|
|
('bb', 2),
|
|
('cc', 5),
|
|
('cc', 2),
|
|
('cc', NULL),
|
|
('aa', 1),
|
|
('bb', NULL);
|
|
|
|
explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
|
|
|
|
select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
|
|
|
|
select oref, a from t2 where a in (select ie from t1 where oref=t2.oref);
|
|
|
|
select oref, a from t2 where a not in (select ie from t1 where oref=t2.oref);
|
|
|
|
explain
|
|
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2;
|
|
|
|
select oref, a, a in (select min(ie) from t1 where oref=t2.oref group by grp) Z from t2;
|
|
|
|
drop table t1,t2;
|
|
|
|
#
|
|
# BUG#24420: row-based IN suqueries with aggregation when the left operand
|
|
# of the subquery predicate may contain NULL values
|
|
#
|
|
|
|
create table t1 (a int, b int);
|
|
insert into t1 values (0,0), (2,2), (3,3);
|
|
create table t2 (a int, b int);
|
|
insert into t2 values (1,1), (3,3);
|
|
|
|
select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1;
|
|
|
|
insert into t2 values (NULL,4);
|
|
select a, b, (a,b) in (select a, min(b) from t2 group by a) Z from t1;
|
|
|
|
drop table t1,t2;
|
|
|
|
#
|
|
# Bug #24484: Aggregate function used in column list subquery gives erroneous
|
|
# error
|
|
#
|
|
CREATE TABLE t1 (a int, b INT, c CHAR(10) NOT NULL, PRIMARY KEY (a, b));
|
|
INSERT INTO t1 VALUES (1,1,'a'), (1,2,'b'), (1,3,'c'), (1,4,'d'), (1,5,'e'),
|
|
(2,1,'f'), (2,2,'g'), (2,3,'h'), (3,4,'i'),(3,3,'j'), (3,2,'k'), (3,1,'l'),
|
|
(1,9,'m');
|
|
CREATE TABLE t2 (a int, b INT, c CHAR(10) NOT NULL, PRIMARY KEY (a, b));
|
|
INSERT INTO t2 SELECT * FROM t1;
|
|
|
|
# Gives error, but should work since it is (a, b) is the PK so only one
|
|
# given match possible
|
|
SELECT a, MAX(b), (SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b))
|
|
as test FROM t1 GROUP BY a;
|
|
SELECT * FROM t1 GROUP by t1.a
|
|
HAVING (MAX(t1.b) > (SELECT MAX(t2.b) FROM t2 WHERE t2.c < t1.c
|
|
HAVING MAX(t2.b+t1.a) < 10));
|
|
|
|
SELECT a,b,c FROM t1 WHERE b in (9,3,4) ORDER BY b,c;
|
|
|
|
SELECT a, MAX(b),
|
|
(SELECT COUNT(DISTINCT t.c) FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b)
|
|
LIMIT 1)
|
|
as cnt,
|
|
(SELECT t.b FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1)
|
|
as t_b,
|
|
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1)
|
|
as t_b,
|
|
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) ORDER BY t.c LIMIT 1)
|
|
as t_b
|
|
FROM t1 GROUP BY a;
|
|
|
|
SELECT a, MAX(b),
|
|
(SELECT t.c FROM t1 AS t WHERE t1.a=t.a AND t.b=MAX(t1.b) LIMIT 1) as test
|
|
FROM t1 GROUP BY a;
|
|
|
|
|
|
DROP TABLE t1, t2;
|
|
|
|
# The next three test cases must be executed with the IN=>EXISTS strategy
|
|
set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
|
|
|
|
#
|
|
# Bug #27870: crash of an equijoin query with WHERE condition containing
|
|
# a subquery predicate of the form <join attr> NOT IN (SELECT ...)
|
|
#
|
|
|
|
CREATE TABLE t1 (a int);
|
|
CREATE TABLE t2 (b int, PRIMARY KEY(b));
|
|
INSERT INTO t1 VALUES (1), (NULL), (4);
|
|
INSERT INTO t2 VALUES (3), (1),(2), (5), (4), (7), (6);
|
|
|
|
EXPLAIN EXTENDED
|
|
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
|
|
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
|
|
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
|
|
|
|
DROP TABLE t1,t2;
|
|
|
|
#
|
|
# Bug #28375: crash for NOT IN subquery predicate when left operand becomes NULL
|
|
#
|
|
|
|
CREATE TABLE t1 (id int);
|
|
CREATE TABLE t2 (id int PRIMARY KEY);
|
|
CREATE TABLE t3 (id int PRIMARY KEY, name varchar(10));
|
|
INSERT INTO t1 VALUES (2), (NULL), (3), (1);
|
|
INSERT INTO t2 VALUES (234), (345), (457);
|
|
INSERT INTO t3 VALUES (222,'bbb'), (333,'ccc'), (111,'aaa');
|
|
|
|
EXPLAIN
|
|
SELECT * FROM t1
|
|
WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3
|
|
WHERE t3.name='xxx' AND t2.id=t3.id);
|
|
SELECT * FROM t1
|
|
WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3
|
|
WHERE t3.name='xxx' AND t2.id=t3.id);
|
|
|
|
SELECT (t1.id IN (SELECT t2.id FROM t2,t3
|
|
WHERE t3.name='xxx' AND t2.id=t3.id)) AS x
|
|
FROM t1;
|
|
|
|
DROP TABLE t1,t2,t3;
|
|
|
|
#
|
|
# Bug #22855: Optimizer doesn't rewrite NOT IN subselects to a correlated
|
|
# subquery
|
|
#
|
|
CREATE TABLE t1 (a INT NOT NULL);
|
|
INSERT INTO t1 VALUES (1),(-1), (65),(66);
|
|
|
|
CREATE TABLE t2 (a INT UNSIGNED NOT NULL PRIMARY KEY);
|
|
INSERT INTO t2 VALUES (65),(66);
|
|
|
|
SELECT a FROM t1 WHERE a NOT IN (65,66);
|
|
SELECT a FROM t1 WHERE a NOT IN (SELECT a FROM t2);
|
|
EXPLAIN SELECT a FROM t1 WHERE a NOT IN (SELECT a FROM t2);
|
|
|
|
DROP TABLE t1, t2;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
#
|
|
# Bug #34763: item_subselect.cc:1235:Item_in_subselect::row_value_transformer:
|
|
# Assertion failed, unexpected error message:
|
|
# ERROR 1247 (42S22): Reference '<list ref>' not supported (forward
|
|
# reference in item list)
|
|
#
|
|
CREATE TABLE t1 (a INT);
|
|
INSERT INTO t1 VALUES(1);
|
|
|
|
CREATE TABLE t2 (placeholder CHAR(11));
|
|
INSERT INTO t2 VALUES("placeholder");
|
|
|
|
SELECT ROW(1, 2) IN (SELECT t1.a, 2) FROM t1 GROUP BY t1.a;
|
|
SELECT ROW(1, 2) IN (SELECT t1.a, 2 FROM t2) FROM t1 GROUP BY t1.a;
|
|
|
|
DROP TABLE t1, t2;
|
|
|
|
#
|
|
# Bug #36005: crash in subselect with single row
|
|
# (subselect_single_select_engine::exec)
|
|
#
|
|
|
|
CREATE TABLE t1 (a INT);
|
|
INSERT INTO t1 VALUES (1),(2),(3);
|
|
CREATE TABLE t2 SELECT * FROM t1;
|
|
|
|
SELECT 1 FROM t1 WHERE t1.a NOT IN (SELECT 1 FROM t1, t2 WHERE 0);
|
|
|
|
DROP TABLE t1, t2;
|
|
|
|
#
|
|
# Bug 2198
|
|
#
|
|
|
|
create table t1 (a int, b decimal(13, 3));
|
|
insert into t1 values (1, 0.123);
|
|
select a, (select max(b) from t1) into outfile "subselect.out.file.1" from t1;
|
|
delete from t1;
|
|
load data infile "subselect.out.file.1" into table t1;
|
|
select * from t1;
|
|
drop table t1;
|
|
let $datadir=`select @@datadir`;
|
|
--remove_file $datadir/test/subselect.out.file.1
|
|
|
|
#
|
|
# Bug #37894: Assertion in init_read_record_seq in handler.h line 1444
|
|
#
|
|
|
|
CREATE TABLE t1 (
|
|
pk INT PRIMARY KEY,
|
|
int_key INT,
|
|
varchar_key VARCHAR(5) UNIQUE,
|
|
varchar_nokey VARCHAR(5)
|
|
);
|
|
INSERT INTO t1 VALUES (9, 7,NULL,NULL), (10,8,'p' ,'p');
|
|
|
|
SELECT varchar_nokey
|
|
FROM t1
|
|
WHERE NULL NOT IN (
|
|
SELECT INNR.pk FROM t1 AS INNR2
|
|
LEFT JOIN t1 AS INNR ON ( INNR2.int_key = INNR.int_key )
|
|
WHERE INNR.varchar_key > 'n{'
|
|
);
|
|
|
|
DROP TABLE t1;
|
|
|
|
#
|
|
# Bug #39069: <row constructor> IN <table-subquery> seriously messed up
|
|
#
|
|
|
|
CREATE TABLE t1 (a INT);
|
|
INSERT INTO t1 VALUES (1), (2), (11);
|
|
|
|
--echo # 2nd and 3rd columns should be same
|
|
SELECT a, ROW(11, 12) = (SELECT a, 22), ROW(11, 12) IN (SELECT a, 22) FROM t1 GROUP BY t1.a;
|
|
SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1 GROUP BY t1.a;
|
|
SELECT a, ROW(11, 12) = (SELECT a, 22), ROW(11, 12) IN (SELECT a, 22) FROM t1;
|
|
SELECT a, ROW(11, 12) = (SELECT a, 12), ROW(11, 12) IN (SELECT a, 12) FROM t1;
|
|
|
|
# The x alias is used below to workaround bug #40674.
|
|
# Regression tests for sum function on outer column in subselect from dual:
|
|
SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 22), ROW(11, 12) IN (SELECT MAX(x), 22) FROM t1;
|
|
--echo # 2nd and 3rd columns should be same
|
|
EXPLAIN SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 12), ROW(11, 12) IN (SELECT MAX(x), 12) FROM t1;
|
|
SELECT a AS x, ROW(11, 12) = (SELECT MAX(x), 12), ROW(11, 12) IN (SELECT MAX(x), 12) FROM t1;
|
|
|
|
DROP TABLE t1;
|
|
|
|
--echo # both columns should be same
|
|
SELECT ROW(1,2) = (SELECT NULL, NULL), ROW(1,2) IN (SELECT NULL, NULL);
|
|
SELECT ROW(1,2) = (SELECT 1, NULL), ROW(1,2) IN (SELECT 1, NULL);
|
|
SELECT ROW(1,2) = (SELECT NULL, 2), ROW(1,2) IN (SELECT NULL, 2);
|
|
SELECT ROW(1,2) = (SELECT NULL, 1), ROW(1,2) IN (SELECT NULL, 1);
|
|
SELECT ROW(1,2) = (SELECT 1, 1), ROW(1,2) IN (SELECT 1, 1);
|
|
SELECT ROW(1,2) = (SELECT 1, 2), ROW(1,2) IN (SELECT 1, 2);
|
|
|
|
#
|
|
# Bug #37362 Crash in do_field_eq
|
|
#
|
|
# Note that currently this test produces wrong output, see MBug#430669.
|
|
#
|
|
CREATE TABLE t1 (a INT, b INT, c INT);
|
|
INSERT INTO t1 VALUES (1,1,1), (1,1,1);
|
|
|
|
--error 1054
|
|
EXPLAIN EXTENDED
|
|
SELECT c FROM
|
|
( SELECT
|
|
(SELECT COUNT(a) FROM
|
|
(SELECT COUNT(b) FROM t1) AS x GROUP BY c
|
|
) FROM t1 GROUP BY b
|
|
) AS y;
|
|
SHOW WARNINGS;
|
|
|
|
DROP TABLE t1;
|
|
|
|
|
|
--echo End of 5.0 tests
|
|
|
|
--echo #
|
|
--echo # BUG#36896: Server crash on SELECT FROM DUAL
|
|
--echo #
|
|
create table t1 (a int);
|
|
select 1 as res from dual where (1) in (select * from t1);
|
|
drop table t1;
|
|
|
|
#
|
|
# BUG#36135 "void Diagnostics_area::set_eof_status(THD*): Assertion `!is_set()' failed."
|
|
#
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
|
|
create table t1 (
|
|
a int(11) default null,
|
|
b int(11) default null,
|
|
key (a)
|
|
);
|
|
# produce numbers 0..999
|
|
insert into t1 select A.a+10*(B.a+10*C.a),A.a+10*(B.a+10*C.a) from t0 A, t0 B, t0 C;
|
|
|
|
create table t2 (a int(11) default null);
|
|
insert into t2 values (0),(1);
|
|
|
|
create table t3 (a int(11) default null);
|
|
insert into t3 values (0),(1);
|
|
|
|
create table t4 (a int(11) default null);
|
|
insert into t4 values (0),(1);
|
|
|
|
create table t5 (a int(11) default null);
|
|
insert into t5 values (0),(1),(0),(1);
|
|
|
|
# this must not fail assertion
|
|
--error 1242
|
|
select * from t2, t3
|
|
where
|
|
t2.a < 10 and
|
|
t3.a+1 = 2 and
|
|
t3.a in (select t1.b from t1
|
|
where t1.a+1=t1.a+1 and
|
|
t1.a < (select t4.a+10
|
|
from t4, t5 limit 2));
|
|
|
|
drop table t0, t1, t2, t3, t4, t5;
|
|
|
|
--echo #
|
|
--echo # BUG#48177 - SELECTs with NOT IN subqueries containing NULL
|
|
--echo # values return too many records
|
|
--echo #
|
|
|
|
CREATE TABLE t1 (
|
|
i1 int DEFAULT NULL,
|
|
i2 int DEFAULT NULL
|
|
) ;
|
|
|
|
INSERT INTO t1 VALUES (1, NULL);
|
|
INSERT INTO t1 VALUES (2, 3);
|
|
INSERT INTO t1 VALUES (4, NULL);
|
|
INSERT INTO t1 VALUES (4, 0);
|
|
INSERT INTO t1 VALUES (NULL, NULL);
|
|
|
|
CREATE TABLE t2 (
|
|
i1 int DEFAULT NULL,
|
|
i2 int DEFAULT NULL
|
|
) ;
|
|
|
|
INSERT INTO t2 VALUES (4, NULL);
|
|
INSERT INTO t2 VALUES (5, 0);
|
|
|
|
--echo
|
|
--echo Data in t1
|
|
SELECT i1, i2 FROM t1;
|
|
|
|
--echo
|
|
--echo Data in subquery (should be filtered out)
|
|
SELECT i1, i2 FROM t2 ORDER BY i1;
|
|
|
|
FLUSH STATUS;
|
|
set @save_optimizer_switch2=@@optimizer_switch;
|
|
set optimizer_switch='subquery_cache=off';
|
|
|
|
--echo
|
|
SELECT i1, i2
|
|
FROM t1
|
|
WHERE (i1, i2)
|
|
NOT IN (SELECT i1, i2 FROM t2);
|
|
|
|
--echo
|
|
--echo # Check that the subquery only has to be evaluated once
|
|
--echo # for all-NULL values even though there are two (NULL,NULL) records
|
|
--echo # Baseline:
|
|
SHOW STATUS LIKE '%Handler_read_rnd_next';
|
|
|
|
--echo
|
|
INSERT INTO t1 VALUES (NULL, NULL);
|
|
FLUSH STATUS;
|
|
|
|
--echo
|
|
SELECT i1, i2
|
|
FROM t1
|
|
WHERE (i1, i2)
|
|
NOT IN (SELECT i1, i2 FROM t2);
|
|
|
|
--echo
|
|
--echo # Handler_read_rnd_next should be one more than baseline
|
|
--echo # (read record from t1, but do not read from t2)
|
|
SHOW STATUS LIKE '%Handler_read_rnd_next';
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch2;
|
|
DROP TABLE t1,t2;
|
|
|
|
--echo End of 5.1 tests
|
|
|
|
#
|
|
# Test for the problem with using sj-materialization when subquery's select
|
|
# list element SCOL is covered by equality propagation and has preceding equal
|
|
# column PCOL which belongs to a table within the the semi-join nest: SJM-Scan
|
|
# process should unpack column value not to SCOL but rather to PCOL, as
|
|
# substitute_best_equal has made all conditions to refer to PCOL.
|
|
#
|
|
CREATE TABLE t1 (
|
|
a int(11) NOT NULL,
|
|
b int(11) NOT NULL,
|
|
c datetime default NULL,
|
|
PRIMARY KEY (a),
|
|
KEY idx_bc (b,c)
|
|
);
|
|
|
|
INSERT INTO t1 VALUES
|
|
(406989,67,'2006-02-23 17:08:46'), (150078,67,'2005-10-26 11:17:45'),
|
|
(406993,67,'2006-02-27 11:20:57'), (245655,67,'2005-12-08 15:59:08'),
|
|
(406994,67,'2006-02-27 11:26:46'), (256,67,NULL),
|
|
(398341,67,'2006-02-20 04:48:44'), (254,67,NULL),(1120,67,NULL),
|
|
(406988,67,'2006-02-23 17:07:22'), (255,67,NULL),
|
|
(398340,67,'2006-02-20 04:38:53'),(406631,67,'2006-02-23 10:49:42'),
|
|
(245653,67,'2005-12-08 15:59:07'),(406992,67,'2006-02-24 16:47:18'),
|
|
(245654,67,'2005-12-08 15:59:08'),(406995,67,'2006-02-28 11:55:00'),
|
|
(127261,67,'2005-10-13 12:17:58'),(406991,67,'2006-02-24 16:42:32'),
|
|
(245652,67,'2005-12-08 15:58:27'),(398545,67,'2006-02-20 04:53:13'),
|
|
(154504,67,'2005-10-28 11:53:01'),(9199,67,NULL),(1,67,'2006-02-23 15:01:35'),
|
|
(223456,67,NULL),(4101,67,NULL),(1133,67,NULL),
|
|
(406990,67,'2006-02-23 18:01:45'),(148815,67,'2005-10-25 15:34:17'),
|
|
(148812,67,'2005-10-25 15:30:01'),(245651,67,'2005-12-08 15:58:27'),
|
|
(154503,67,'2005-10-28 11:52:38');
|
|
|
|
create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 asc;
|
|
create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc;
|
|
create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc;
|
|
create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
set @@optimizer_switch='materialization=off';
|
|
|
|
update t22 set c = '2005-12-08 15:58:27' where a = 255;
|
|
explain select t21.* from t21,t22 where t21.a = t22.a and
|
|
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
|
|
select t21.* from t21,t22 where t21.a = t22.a and
|
|
t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
drop table t1, t11, t12, t21, t22;
|
|
|
|
#
|
|
# Test sj-materialization re-execution. The test isn't meaningful (materialized
|
|
# table stays the same across all executions) because it's hard to create a
|
|
# dataset that would verify correct re-execution without hitting BUG#31480
|
|
#
|
|
create table t1(a int);
|
|
insert into t1 values (0),(1);
|
|
|
|
set @@optimizer_switch='firstmatch=off,materialization=off';
|
|
explain
|
|
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
|
|
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
drop table t1;
|
|
|
|
#
|
|
# Test confluent duplicate weedout
|
|
#
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t1 as select * from t0;
|
|
insert into t1 select a+10 from t0;
|
|
set @@optimizer_switch='firstmatch=off,materialization=off';
|
|
insert into t0 values(2);
|
|
explain select * from t1 where 2 in (select a from t0);
|
|
select * from t1 where 2 in (select a from t0);
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
set @@optimizer_switch='materialization=off';
|
|
explain select * from t1 where 2 in (select a from t0);
|
|
select * from t1 where 2 in (select a from t0);
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
set @@optimizer_switch='materialization=off';
|
|
|
|
#
|
|
# FirstMatch referring to a derived table
|
|
#
|
|
set @tmp_optimizer_switch=@@optimizer_switch;
|
|
set optimizer_switch='derived_merge=off,derived_with_keys=off';
|
|
explain select * from (select a from t0) X where a in (select a from t1);
|
|
drop table t0, t1;
|
|
set optimizer_switch=@tmp_optimizer_switch;
|
|
|
|
#
|
|
# LooseScan: Check if we can pick it together with range access
|
|
#
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
|
|
create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
|
|
insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
|
|
insert into t1 select * from t1 where kp1 < 20;
|
|
|
|
create table t3 (a int);
|
|
insert into t3 select A.a + 10*B.a from t0 A, t0 B;
|
|
|
|
explain select * from t3 where a in (select kp1 from t1 where kp1<20);
|
|
|
|
create table t4 (pk int primary key);
|
|
insert into t4 select a from t3;
|
|
|
|
explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
|
|
and t4.pk=t1.c);
|
|
|
|
drop table t1, t3, t4;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
#
|
|
# Test if we handle duplicate elimination temptable overflowing to disk
|
|
#
|
|
create table t1 (a int) as select * from t0 where a < 5;
|
|
|
|
set @save_max_heap_table_size=@@max_heap_table_size;
|
|
set @@optimizer_switch='firstmatch=off,materialization=off';
|
|
set @@max_heap_table_size= 16384;
|
|
|
|
explain select count(*) from t0 A, t0 B, t0 C, t0 D where D.a in (select a from t1 E where a+1 < 10000 + A.a + B.a +C.a+D.a);
|
|
flush status;
|
|
select count(*) from t0 A, t0 B, t0 C, t0 D where D.a in (select a from t1 E where a+1 < 10000 + A.a + B.a +C.a+D.a);
|
|
show status like 'Created_tmp_disk_tables';
|
|
set @save_max_heap_table_size=@@max_heap_table_size;
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
drop table t0, t1;
|
|
|
|
#
|
|
# Materialize + Scan + ref access to the subsequent table based on scanned
|
|
# value
|
|
#
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t2(a int);
|
|
insert into t2 values (1),(2);
|
|
create table t3 ( a int , filler char(100), key(a));
|
|
insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B;
|
|
explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10);
|
|
select * from t3 where a in (select a from t2);
|
|
|
|
drop table t0, t2, t3;
|
|
|
|
#
|
|
# DATETIME type checks
|
|
#
|
|
set @@optimizer_switch='firstmatch=off,materialization=off';
|
|
create table t1 (a date);
|
|
insert into t1 values ('2008-01-01'),('2008-01-01'),('2008-02-01'),('2008-02-01');
|
|
create table t2 (a int);
|
|
insert into t2 values (1),(2);
|
|
create table t3 (a char(10));
|
|
insert into t3 select * from t1;
|
|
insert into t3 values (1),(2);
|
|
explain select * from t2 where a in (select a from t1);
|
|
explain select * from t2 where a in (select a from t2);
|
|
explain select * from t2 where a in (select a from t3);
|
|
explain select * from t1 where a in (select a from t3);
|
|
drop table t1, t2, t3;
|
|
create table t1 (a decimal);
|
|
insert into t1 values (1),(2);
|
|
explain select * from t1 where a in (select a from t1);
|
|
drop table t1;
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
set @@optimizer_switch='materialization=off';
|
|
|
|
#
|
|
# SJ-Materialization-scan for non-first table
|
|
#
|
|
create table t1 (a int);
|
|
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t2 as select * from t1;
|
|
create table t3 (a int, b int, filler char(100), key(a));
|
|
insert into t3 select A.a + 10*B.a, A.a + 10*B.a, 'filler' from t1 A, t1 B, t1 C;
|
|
explain select * from t1, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30) and t1.a =3;
|
|
|
|
#
|
|
# Verify that straight_join modifier in parent or child prevents flattening
|
|
#
|
|
explain select straight_join * from t1 A, t1 B where A.a in (select a from t2);
|
|
explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B);
|
|
explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B);
|
|
explain select straight_join * from t2 X, t2 Y
|
|
where X.a in (select straight_join A.a from t1 A, t1 B);
|
|
|
|
#
|
|
# SJ-Materialization scan + first table being system const table
|
|
#
|
|
create table t0 (a int, b int);
|
|
insert into t0 values(1,1);
|
|
explain select * from t0, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30);
|
|
create table t4 as select a as x, a as y from t1;
|
|
explain select * from t0, t3 where (t3.a, t3.b) in (select x,y from t4) and (t3.a < 10 or t3.a >30);
|
|
drop table t0,t1,t2,t3,t4;
|
|
|
|
#
|
|
# LooseScan with ref access
|
|
#
|
|
create table t0 (a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t1 (a int, b int, filler char(100), key(a,b));
|
|
insert into t1 select A.a, B.a, 'filler' from t0 A, t0 B;
|
|
create table t2 as select * from t1;
|
|
|
|
explain select * from t2 where a in (select b from t1 where a=3);
|
|
explain select * from t2 where (b,a) in (select a,b from t1 where a=3);
|
|
|
|
drop table t1,t2;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
#
|
|
# Multi-column sj-materialization with lookups
|
|
#
|
|
create table t1 (a int, b int);
|
|
insert into t1 select a,a from t0;
|
|
create table t2 (a int, b int);
|
|
insert into t2 select A.a + 10*B.a, A.a + 10*B.a from t0 A, t0 B;
|
|
|
|
set @@optimizer_switch='firstmatch=off,materialization=off';
|
|
explain select * from t1 where (a,b) in (select a,b from t2);
|
|
|
|
# A smallish test if find_best() still works for semi-join optimization:
|
|
set @save_optimizer_search_depth=@@optimizer_search_depth;
|
|
set @@optimizer_search_depth=63;
|
|
explain select * from t1 where (a,b) in (select a,b from t2);
|
|
set @@optimizer_search_depth=@save_optimizer_search_depth;
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
drop table t0, t1, t2;
|
|
|
|
set @@optimizer_switch='materialization=off';
|
|
|
|
#
|
|
# Primitive SJ-Materialization tests for DECIMAL and DATE
|
|
#
|
|
create table t0 (a decimal(4,2));
|
|
insert into t0 values (10.24), (22.11);
|
|
create table t1 as select * from t0;
|
|
insert into t1 select * from t0;
|
|
explain select * from t0 where a in (select a from t1);
|
|
select * from t0 where a in (select a from t1);
|
|
drop table t0, t1;
|
|
|
|
create table t0(a date);
|
|
insert into t0 values ('2008-01-01'),('2008-02-02');
|
|
create table t1 as select * from t0;
|
|
insert into t1 select * from t0;
|
|
explain select * from t0 where a in (select a from t1);
|
|
select * from t0 where a in (select a from t1);
|
|
drop table t0, t1;
|
|
|
|
#
|
|
# Fix a trivial crash with SJ-Materialization lookup, multiple tables in the
|
|
# subquery, and a condition on some of inner tables but not others
|
|
#
|
|
create table t0(a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t1 as select a as a, a as b, a as c from t0 where a < 3;
|
|
create table t2 as select a as a, a as b from t0 where a < 3;
|
|
insert into t2 select * from t2;
|
|
|
|
explain select * from t1 where (a,b,c) in (select X.a, Y.a, Z.a from t2 X, t2 Y, t2 Z where X.b=33);
|
|
|
|
drop table t0,t1,t2;
|
|
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
|
|
--echo
|
|
--echo BUG#37842: Assertion in DsMrr_impl::dsmrr_init, at handler.cc:4307
|
|
--echo
|
|
CREATE TABLE t1 (
|
|
`pk` int(11) NOT NULL AUTO_INCREMENT,
|
|
`int_key` int(11) DEFAULT NULL,
|
|
PRIMARY KEY (`pk`),
|
|
KEY `int_key` (`int_key`)
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES (1,9),(2,3),(3,8),(4,6),(5,9),(6,5),(7,5),(8,9),(9,1),(10,10);
|
|
SELECT `pk` FROM t1 AS OUTR WHERE `int_key` = ALL (
|
|
SELECT `int_key` FROM t1 AS INNR WHERE INNR . `pk` >= 9
|
|
);
|
|
DROP TABLE t1;
|
|
|
|
--echo
|
|
--echo BUG#40118 Crash when running Batched Key Access and requiring one match for each key
|
|
--echo
|
|
create table t0(a int);
|
|
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
|
|
create table t1 (a int, key(a));
|
|
insert into t1 select * from t0;
|
|
alter table t1 add b int not null, add filler char(200);
|
|
insert into t1 select * from t1;
|
|
insert into t1 select * from t1;
|
|
|
|
set @save_join_cache_level=@@join_cache_level;
|
|
set join_cache_level=6;
|
|
select * from t0 where t0.a in (select t1.a from t1 where t1.b=0);
|
|
set join_cache_level=@save_join_cache_level;
|
|
drop table t0, t1;
|
|
|
|
--echo #
|
|
--echo # BUG#32665 Query with dependent subquery is too slow
|
|
--echo #
|
|
create table t1 (
|
|
idIndividual int primary key
|
|
);
|
|
insert into t1 values (1),(2);
|
|
|
|
create table t2 (
|
|
idContact int primary key,
|
|
contactType int,
|
|
idObj int
|
|
);
|
|
insert into t2 values (1,1,1),(2,2,2),(3,3,3);
|
|
|
|
create table t3 (
|
|
idAddress int primary key,
|
|
idContact int,
|
|
postalStripped varchar(100)
|
|
);
|
|
|
|
insert into t3 values (1,1, 'foo'), (2,2,'bar');
|
|
|
|
--echo The following must be converted to a semi-join:
|
|
set @save_optimizer_switch=@@optimizer_switch;
|
|
set @@optimizer_switch='materialization=off';
|
|
explain extended SELECT a.idIndividual FROM t1 a
|
|
WHERE a.idIndividual IN
|
|
( SELECT c.idObj FROM t3 cona
|
|
INNER JOIN t2 c ON c.idContact=cona.idContact
|
|
WHERE cona.postalStripped='T2H3B2'
|
|
);
|
|
set @@optimizer_switch=@save_optimizer_switch;
|
|
drop table t1,t2,t3;
|
|
|
|
--echo #
|
|
--echo # BUG#47367 Crash in Name_resolution_context::process_error
|
|
--echo #
|
|
|
|
SET SESSION optimizer_switch = 'semijoin=off';
|
|
CREATE TABLE t1 (f1 INTEGER);
|
|
CREATE TABLE t2 LIKE t1;
|
|
delimiter |;
|
|
CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
|
|
delimiter ;|
|
|
CALL p1;
|
|
ALTER TABLE t2 CHANGE COLUMN f1 my_column INT;
|
|
CALL p1;
|
|
DROP PROCEDURE p1;
|
|
--echo # Restore the original column list of table t2:
|
|
ALTER TABLE t2 CHANGE COLUMN my_column f1 INT;
|
|
|
|
SET SESSION optimizer_switch = 'semijoin=on';
|
|
delimiter |;
|
|
--echo # Recreate procedure so that we eliminate any caching effects
|
|
CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
|
|
delimiter ;|
|
|
CALL p1;
|
|
ALTER TABLE t2 CHANGE COLUMN f1 my_column INT;
|
|
--error ER_BAD_FIELD_ERROR
|
|
CALL p1;
|
|
DROP PROCEDURE p1;
|
|
DROP TABLE t1, t2;
|
|
|
|
--echo #
|
|
--echo # fix of lp:824425 (prohibiting subqueries in row in
|
|
--echo # left part of IN/ALL/ANY)
|
|
--echo #
|
|
|
|
CREATE TABLE t1 ( a int) ;
|
|
INSERT INTO t1 VALUES (20),(30);
|
|
|
|
CREATE TABLE t2 (a int) ;
|
|
INSERT INTO t2 VALUES (3),(9);
|
|
|
|
CREATE TABLE t3 ( a int, b int) ;
|
|
INSERT INTO t3 VALUES (20,5),(30,6);
|
|
|
|
set @optimizer_switch_save=@@optimizer_switch;
|
|
SET SESSION optimizer_switch='semijoin=OFF,in_to_exists=OFF,materialization=ON,partial_match_rowid_merge=ON,partial_match_table_scan=OFF';
|
|
|
|
SELECT * FROM t1
|
|
WHERE (
|
|
( SELECT a FROM t2 WHERE a = 9 )
|
|
) NOT IN (
|
|
SELECT b
|
|
FROM t3
|
|
);
|
|
explain extended
|
|
SELECT * FROM t1
|
|
WHERE (
|
|
( SELECT a FROM t2 WHERE a = 9 )
|
|
) NOT IN (
|
|
SELECT b
|
|
FROM t3
|
|
);
|
|
|
|
--error ER_NOT_SUPPORTED_YET
|
|
SELECT * FROM t1
|
|
WHERE (
|
|
( SELECT a FROM t2 WHERE a = 9 ),
|
|
( SELECT a FROM t2 WHERE a = 3 )
|
|
) NOT IN (
|
|
SELECT b , a
|
|
FROM t3
|
|
);
|
|
set optimizer_switch=@optimizer_switch_save;
|
|
|
|
drop table t1,t2,t3;
|
|
|
|
--echo End of 5.3 tests
|
|
|
|
--echo #
|
|
--echo # BUG#48920: COUNT DISTINCT returns 1 for NULL values when in a subquery
|
|
--echo # in the select list
|
|
--echo #
|
|
|
|
--echo
|
|
CREATE TABLE t1 (
|
|
i int(11) DEFAULT NULL,
|
|
v varchar(1) DEFAULT NULL
|
|
);
|
|
|
|
--echo
|
|
INSERT INTO t1 VALUES (8,'v');
|
|
INSERT INTO t1 VALUES (9,'r');
|
|
INSERT INTO t1 VALUES (NULL,'y');
|
|
|
|
--echo
|
|
CREATE TABLE t2 (
|
|
i int(11) DEFAULT NULL,
|
|
v varchar(1) DEFAULT NULL,
|
|
KEY i_key (i)
|
|
);
|
|
|
|
--echo
|
|
INSERT INTO t2 VALUES (NULL,'r');
|
|
INSERT INTO t2 VALUES (0,'c');
|
|
INSERT INTO t2 VALUES (0,'o');
|
|
INSERT INTO t2 VALUES (2,'v');
|
|
INSERT INTO t2 VALUES (7,'c');
|
|
|
|
--echo
|
|
SELECT i, v, (SELECT COUNT(DISTINCT i)
|
|
FROM t1
|
|
WHERE v = t2.v) as subsel
|
|
FROM t2;
|
|
|
|
--echo
|
|
EXPLAIN EXTENDED
|
|
SELECT i, v, (SELECT COUNT(DISTINCT i)
|
|
FROM t1
|
|
WHERE v = t2.v) as subsel
|
|
FROM t2;
|
|
|
|
DROP TABLE t1,t2;
|
|
|
|
--echo End of 5.6 tests
|
|
|
|
# The following command must be the last one in the file
|
|
set @@optimizer_switch=@subselect3_tmp;
|