diff options
Diffstat (limited to 'mysql-test/main/func_isnull.result')
| -rw-r--r-- | mysql-test/main/func_isnull.result | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/mysql-test/main/func_isnull.result b/mysql-test/main/func_isnull.result index 15d87997e29..8cbd528f2de 100644 --- a/mysql-test/main/func_isnull.result +++ b/mysql-test/main/func_isnull.result @@ -106,5 +106,25 @@ Note 1003 select `test`.`t2`.`d1` AS `d1`,`test`.`t1`.`d1` AS `d1` from `test`.` DROP VIEW v1; DROP TABLE t1,t2; # +# MDEV-15475: Assertion `!table || (!table->read_set || +# bitmap_is_set(table->read_set, field_index))' +# failed on EXPLAIN EXTENDED with constant table and view +# +CREATE TABLE t1 (pk INT PRIMARY KEY) ENGINE=MyISAM; +CREATE VIEW v1 AS SELECT * FROM t1; +INSERT INTO t1 VALUES (1); +EXPLAIN EXTENDED SELECT ISNULL(pk) FROM v1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00 +Warnings: +Note 1003 select /*always not null*/ 1 is null AS `ISNULL(pk)` from dual +EXPLAIN EXTENDED SELECT IFNULL(pk,0) FROM v1; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00 +Warnings: +Note 1003 select ifnull(1,0) AS `IFNULL(pk,0)` from dual +DROP VIEW v1; +DROP TABLE t1; +# # End of 5.5 tests # |