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Diffstat (limited to 'mysql-test/r/explain.result')
| -rw-r--r-- | mysql-test/r/explain.result | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/r/explain.result b/mysql-test/r/explain.result index 5a1bf1a1290..2bf85e35139 100644 --- a/mysql-test/r/explain.result +++ b/mysql-test/r/explain.result @@ -210,4 +210,19 @@ Error 1140 Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP colum Note 1003 select 1 AS `1` from `test`.`t1` where <not>(<exists>(...)) SET SESSION sql_mode=@old_sql_mode; DROP TABLE t1; +# +# Bug#47669: Query showed by EXPLAIN EXTENDED gives different result from original query +# +CREATE TABLE t1 (c int); +INSERT INTO t1 VALUES (NULL); +CREATE TABLE t2 (d int); +INSERT INTO t2 VALUES (NULL), (0); +EXPLAIN EXTENDED SELECT (SELECT 1 FROM t2 WHERE d = c) FROM t1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 +2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where +Warnings: +Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1 +Note 1003 select (select 1 AS `1` from `test`.`t2` where (`test`.`t2`.`d` = NULL)) AS `(SELECT 1 FROM t2 WHERE d = c)` from `test`.`t1` +DROP TABLE t1, t2; End of 5.1 tests. |