|
CREATE TABLE t1 (pk int, i1 int NOT NULL);
|
INSERT INTO t1 VALUES (1, 4),(2, 6);
|
|
CREATE TABLE t2 (i2 int NOT NULL, d2 DATE NOT NULL);
|
#INSERT IGNORE INTO t2 VALUES (4, NULL);
|
INSERT INTO t2 VALUES (4, '0000-00-00'); ##the same case, there NULL was truncated to '0000-00-00'
|
|
SELECT t1.i1 FROM t1 JOIN (t2 JOIN (SELECT t1.* FROM t1) AS a1 ON a1.i1 = t2.i2) ON a1.pk = t2.d2;
|
SET SESSION optimizer_switch = 'derived_merge=off';
|
SELECT t1.i1 FROM t1 JOIN (t2 JOIN (SELECT t1.* FROM t1) AS a1 ON a1.i1 = t2.i2) ON a1.pk = t2.d2;
|
|
drop table t1, t2;
|
Repeatable on 5.5-10.3, not on 10.4
|
10.3 37d6d3b661315617953
|
MariaDB [test]> SELECT t1.i1 FROM t1 JOIN (t2 JOIN (SELECT t1.* FROM t1) AS a1 ON a1.i1 = t2.i2) ON a1.pk = t2.d2;
|
Empty set, 2 warnings (0.000 sec)
|
|
Warning (Code 1292): Incorrect datetime value: '1' for column 'pk' at row 2
|
Warning (Code 1292): Incorrect datetime value: '1' for column 'pk' at row 2
|
MariaDB [test]> SET SESSION optimizer_switch = 'derived_merge=off';
|
Query OK, 0 rows affected (0.000 sec)
|
|
MariaDB [test]> SELECT t1.i1 FROM t1 JOIN (t2 JOIN (SELECT t1.* FROM t1) AS a1 ON a1.i1 = t2.i2) ON a1.pk = t2.d2;
|
+----+
|
| i1 |
|
+----+
|
| 4 |
|
| 6 |
|
+----+
|
2 rows in set, 2 warnings (0.000 sec)
|
|
Warning (Code 1292): Incorrect datetime value: '1' for column 'pk' at row 3
|
Warning (Code 1292): Incorrect datetime value: '1' for column 'pk' at row 3
|
|