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Bug#11829785 EXPLAIN EXTENDED CRASH WITH RIGHT OUTER JOIN, SUBQUERIES

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This is a backport of
Bug #46860 Crash/segfault using EXPLAIN EXTENDED on query using UNION in subquery.


mysql-test/r/explain.result:
  Remove the extended Note, since explain returns error.
  New test case.
mysql-test/r/func_gconcat.result:
  Remove the extended Note, since explain returns error.
mysql-test/r/subselect3.result:
  Remove the extended Note, since explain returns error.
mysql-test/t/explain.test:
  New test case.
sql/sql_parse.cc:
  Skip the extended description if we have an error.
This commit is contained in:
Tor Didriksen
2011-03-24 11:27:11 +01:00
parent 9d32caa13d
commit e57beba62d
5 changed files with 41 additions and 7 deletions
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15
mysql-test/r/explain.result
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@ -180,7 +180,6 @@ ERROR 42000: Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP col
SHOW WARNINGS;
Level Code Message
Error 1140 Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause
Note 1003 select 1 AS `1` from `test`.`t1` where <not>(<exists>(...))
SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1;
End of 5.0 tests.
@ -318,3 +317,17 @@ id select_type table type possible_keys key key_len ref rows Extra
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
End of 5.1 tests.
#
# Bug#11829785 EXPLAIN EXTENDED CRASH WITH RIGHT OUTER JOIN, SUBQUERIES
#
CREATE TABLE t1(a INT);
INSERT INTO t1 VALUES (0), (0);
PREPARE s FROM
'EXPLAIN EXTENDED
SELECT SUBSTRING(1, (SELECT 1 FROM t1 a1 RIGHT OUTER JOIN t1 ON 0)) AS d
FROM t1 WHERE 0 > ANY (SELECT @a FROM t1)';
EXECUTE s;
ERROR 21000: Subquery returns more than 1 row
DEALLOCATE PREPARE s;
DROP TABLE t1;
#