diff options
Diffstat (limited to 'mysql-test/main/selectivity_no_engine.test')
| -rw-r--r-- | mysql-test/main/selectivity_no_engine.test | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/mysql-test/main/selectivity_no_engine.test b/mysql-test/main/selectivity_no_engine.test index 8596fce9bf2..4d050513015 100644 --- a/mysql-test/main/selectivity_no_engine.test +++ b/mysql-test/main/selectivity_no_engine.test @@ -271,6 +271,27 @@ SELECT * FROM t1 JOIN t2 ON t1.a = t2.c WHERE t2.b IN ('o') OR t2.e >= 'f' OR t2 set join_cache_level=@tmp_jcl; drop table t1,t2; + +--echo # +--echo # MDEV-31199: Assertion `field->table->stats_is_read' fails with hash_join_cardinality=on +--echo # +CREATE TABLE t1 (a VARCHAR(255)); +INSERT INTO t1 VALUES ('u'),('uu'); + +CREATE TABLE t2 (b VARCHAR(255)) CHARACTER SET utf8mb4; +INSERT INTO t2 VALUES ('x'),('xx'); + +CREATE TABLE t3 (c VARCHAR(255)); +INSERT INTO t3 VALUES ('z'),('zz'); + +ANALYZE TABLE t1, t2, t3 PERSISTENT FOR ALL; # Optional, fails either way + +set @tmp1=@@optimizer_switch, @tmp2=@@join_cache_level; +set optimizer_switch='hash_join_cardinality=on', join_cache_level=3; +SELECT t1.* FROM t1 JOIN (SELECT DISTINCT b FROM t2 JOIN t3) sq ON sq.b = t1.a; +set optimizer_switch=@tmp1, join_cache_level=@tmp2; +DROP TABLE t1, t2, t3; + --echo # --echo # End of the test file --echo # |