diff options
Diffstat (limited to 'mysql-test/main/subselect4.test')
| -rw-r--r-- | mysql-test/main/subselect4.test | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/mysql-test/main/subselect4.test b/mysql-test/main/subselect4.test index bc8db41c505..e3d8b5be832 100644 --- a/mysql-test/main/subselect4.test +++ b/mysql-test/main/subselect4.test @@ -2115,6 +2115,32 @@ where exists (select * from t2 where t2.a=t1.a order by t2.b limit 2,3); explain select * from t1 where t1.a in (select t2.a from t2 order by t2.b); +drop table t0, t1, t2; + +--echo # +--echo # MDEV-22377: Subquery in an UPDATE query uses full scan instead of range +--echo # +create table t0(a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1(nkey1 int, col1 int); +insert into t1 select A.a+10*B.a+100*C.a, A.a+10*B.a+100*C.a from t0 A, t0 B, t0 C; + +create table t2(key1 int, col1 int, key(key1)); +insert into t2 select A.a+10*B.a, A.a+10*B.a from t0 A, t0 B; + +alter table t0 add b int; +--echo # This must use the join order of t0,t2,t1 +--echo # And table t2 must use range access, not full scan: +explain +select * +from t0 +where + a not in (SELECT t1.col1 + FROM t1 JOIN t2 ON t2.key1 = t1.nkey1 + WHERE + t1.nkey1 IN (1,2,3,4,5) and t2.col1>t0.b + ); drop table t0, t1, t2; + |