Bug #15055 | Using ORDER BY on a column that you select twice duplicates alias | ||
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Submitted: | 18 Nov 2005 20:24 | Modified: | 15 Feb 2006 11:07 |
Reporter: | Mark Leith | Email Updates: | |
Status: | Can't repeat | Impact on me: | |
Category: | MySQL Server: Views | Severity: | S3 (Non-critical) |
Version: | 5.0.16-GA | OS: | Windows (Windows Only) |
Assigned to: | Evgeny Potemkin | CPU Architecture: | Any |
[18 Nov 2005 20:24]
Mark Leith
[15 Feb 2006 11:07]
Evgeny Potemkin
mysql> CREATE TABLE t1 (x INT, y INT); Query OK, 0 rows affected (0.01 sec) mysql> mysql> CREATE VIEW v1 (x, y) AS -> SELECT x, y -> FROM t1; Query OK, 0 rows affected (0.00 sec) mysql> mysql> CREATE TABLE t2 (x INT, y INT); Query OK, 0 rows affected (0.01 sec) mysql> mysql> INSERT INTO t1 VALUES (1,1); Query OK, 1 row affected (0.00 sec) mysql> INSERT INTO t2 VALUES (1,1); Query OK, 1 row affected (0.00 sec) mysql> mysql> SELECT v1.x, v1.x x1, v1.x x2 -> FROM v1, t2 -> WHERE v1.x = t2.y -> ORDER BY 1; +------+------+------+ | x | x1 | x2 | +------+------+------+ | 1 | 1 | 1 | +------+------+------+ 1 row in set (0.00 sec) mysql> mysql> SELECT v1.x, v1.x x1, v1.x x2 -> FROM v1, t2 -> WHERE v1.x = t2.y; +------+------+------+ | x | x1 | x2 | +------+------+------+ | 1 | 1 | 1 | +------+------+------+ 1 row in set (0.00 sec) mysql> mysql> select VERSION(); +--------------+ | VERSION() | +--------------+ | 5.0.18-debug | +--------------+ 1 row in set (0.00 sec)