diff --git a/mysql-test/r/delete.result b/mysql-test/r/delete.result index 77b2071494d..36025cbfb35 100644 --- a/mysql-test/r/delete.result +++ b/mysql-test/r/delete.result @@ -349,4 +349,13 @@ END | DELETE IGNORE FROM t1; ERROR HY000: Can't update table 't1' in stored function/trigger because it is already used by statement which invoked this stored function/trigger. DROP TABLE t1; +# +# Bug #53450: Crash/assertion +# "virtual int ha_myisam::index_first(uchar*)") at assert.c:81 +# +CREATE TABLE t1 (a INT, b INT, c INT, +INDEX(a), INDEX(b), INDEX(c)); +INSERT INTO t1 VALUES (1,2,3), (4,5,6), (7,8,9); +DELETE FROM t1 WHERE a = 10 OR b = 20 ORDER BY c LIMIT 1; +DROP TABLE t1; End of 5.1 tests diff --git a/mysql-test/t/delete.test b/mysql-test/t/delete.test index 7bbc470137a..5a0e86568f3 100644 --- a/mysql-test/t/delete.test +++ b/mysql-test/t/delete.test @@ -374,5 +374,17 @@ DELETE IGNORE FROM t1; DROP TABLE t1; +--echo # +--echo # Bug #53450: Crash/assertion +--echo # "virtual int ha_myisam::index_first(uchar*)") at assert.c:81 +--echo # + +CREATE TABLE t1 (a INT, b INT, c INT, + INDEX(a), INDEX(b), INDEX(c)); +INSERT INTO t1 VALUES (1,2,3), (4,5,6), (7,8,9); + +DELETE FROM t1 WHERE a = 10 OR b = 20 ORDER BY c LIMIT 1; + +DROP TABLE t1; --echo End of 5.1 tests diff --git a/sql/sql_delete.cc b/sql/sql_delete.cc index cc29b6f1b6b..07421ca55a6 100644 --- a/sql/sql_delete.cc +++ b/sql/sql_delete.cc @@ -266,7 +266,7 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, free_underlaid_joins(thd, select_lex); DBUG_RETURN(TRUE); } - if (usable_index==MAX_KEY) + if (usable_index==MAX_KEY || (select && select->quick)) init_read_record(&info, thd, table, select, 1, 1, FALSE); else init_read_record_idx(&info, thd, table, 1, usable_index);