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author | Marko Mäkelä <marko.makela@mariadb.com> | 2019-06-11 13:00:18 +0300 |
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committer | Marko Mäkelä <marko.makela@mariadb.com> | 2019-06-11 13:00:18 +0300 |
commit | b42dbdbccd3b939394ca9b608ad91a04235e95f1 (patch) | |
tree | e969f314963faa202fdb6f87d5aca67810844742 /mysql-test/main/subselect_no_semijoin.test | |
parent | 490dcfd5d74ce45cbdd6105e4295116f6a944e2b (diff) | |
parent | cbac8f935182ecc5bb907de3ae48942467f0b8ba (diff) | |
download | mariadb-git-b42dbdbccd3b939394ca9b608ad91a04235e95f1.tar.gz |
Merge 10.2 into 10.3
Diffstat (limited to 'mysql-test/main/subselect_no_semijoin.test')
-rw-r--r-- | mysql-test/main/subselect_no_semijoin.test | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/mysql-test/main/subselect_no_semijoin.test b/mysql-test/main/subselect_no_semijoin.test index 6b82b748912..84d312c03c8 100644 --- a/mysql-test/main/subselect_no_semijoin.test +++ b/mysql-test/main/subselect_no_semijoin.test @@ -8,5 +8,28 @@ set @join_cache_level_for_subselect_test=@@join_cache_level; --source subselect.test +--echo # +--echo # MDEV-19714: JOIN::pseudo_bits_cond is not visible in EXPLAIN FORMAT=JSON +--echo # +CREATE TABLE t1 ( a INT ); +INSERT INTO t1 VALUES (1),(5); + +# t2 must be MyISAM or Aria and contain 1 row +CREATE TABLE t2 ( b INT ) ENGINE=MyISAM; +INSERT INTO t2 VALUES (1); + +CREATE TABLE t3 ( c INT ); +INSERT INTO t3 VALUES (4),(5); + +SET @tmp19714=@@optimizer_switch; +SET optimizer_switch='subquery_cache=off'; + +explain format=json +SELECT ( SELECT b FROM t2 WHERE b = a OR EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; + +SET optimizer_switch=@tmp19714; + +drop table t1,t2,t3; + set @optimizer_switch_for_subselect_test=null; set @join_cache_level_for_subselect_test=NULL; |