diff options
Diffstat (limited to 'mysql-test/r/derived.result')
-rw-r--r-- | mysql-test/r/derived.result | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/mysql-test/r/derived.result b/mysql-test/r/derived.result index 33af7c61613..763dbe264fb 100644 --- a/mysql-test/r/derived.result +++ b/mysql-test/r/derived.result @@ -1011,4 +1011,29 @@ id id data 2 2 yes 1 NULL NULL drop table t1; +# +# MDEV-14241: Server crash in key_copy / get_matching_chain_by_join_key +# or valgrind warnings +# +CREATE TABLE t1 (a VARCHAR(10)) ENGINE=MyISAM; +CREATE OR REPLACE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1; +INSERT INTO t1 VALUES ('foo'),('bar'); +CREATE TABLE t2 (b integer auto_increment primary key) ENGINE=MyISAM; +INSERT INTO t2 VALUES (NULL),(NULL); +CREATE TABLE t3 (c VARCHAR(1024) CHARACTER SET utf8, d INT) ENGINE=MyISAM; +CREATE OR REPLACE ALGORITHM=TEMPTABLE VIEW v3 AS SELECT * FROM t3; +INSERT INTO t3 VALUES ('abc',NULL),('def',4); +SET join_cache_level= 8; +explain +SELECT * FROM v1, t2, v3 WHERE a = c AND b = d; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 +1 PRIMARY <derived3> hash_ALL NULL #hash#$hj 3075 func 2 Using where; Using join buffer (flat, BNLH join) +1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 v3.d 1 Using index +3 DERIVED t3 ALL NULL NULL NULL NULL 2 +2 DERIVED t1 ALL NULL NULL NULL NULL 2 +SELECT * FROM v1, t2, v3 WHERE a = c AND b = d; +a b c d +DROP VIEW v1, v3; +DROP TABLE t1, t2, t3; # end of 5.5 |