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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2020-05-16 07:54:09 +03:00
parent 9e6e43551f 38d62189a8
commit 66f1e288a1
7 changed files with 93 additions and 12 deletions
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25
mysql-test/main/subselect4.test
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@@ -2078,6 +2078,30 @@ select (select c1 from t1 group by c1,c2 order by c1 limit 1) as x;
(select c1 from t1 group by c1,c2 order by c1 limit 1);
drop table t1;
--echo #
--echo # MDEV-22498: SIGSEGV in Bitmap<64u>::merge on SELECT
--echo #
set @save_sql_select_limit= @@sql_select_limit;
SET sql_select_limit=0;
CREATE TABLE t1(b INT, c INT);
CREATE TABLE t2(a INT, b INT);
INSERT INTO t1 VALUES (1,1),(2,2),(3,3);
INSERT INTO t2 VALUES (1,1),(2,2),(3,3);
let $query=
SELECT sum(a), t2.a, t2.b FROM t2 HAVING t2.a IN (SELECT t2.b FROM t1);
eval EXPLAIN EXTENDED $query;
eval $query;
SET @@sql_select_limit= @save_sql_select_limit;
eval EXPLAIN EXTENDED $query;
eval $query;
DROP TABLE t1,t2;
--echo #
--echo # MDEV-19134: EXISTS() slower if ORDER BY is defined
--echo #
@@ -2118,3 +2142,4 @@ select * from t1 where t1.a in (select t2.a from t2 order by t2.b);
drop table t0, t1, t2;
--echo # End of 10.4 tests