| jadmanski | 9b6babf | 2009-04-21 17:57:40 +0000 | [diff] [blame] | 1 | ADD_FOREIGN_KEYS = """ |
| 2 | ALTER TABLE test_labels_tests MODIFY COLUMN test_id int(10) unsigned NOT NULL; |
| 3 | |
| 4 | DELETE FROM test_labels_tests |
| 5 | WHERE test_id NOT IN (SELECT test_idx FROM tests); |
| 6 | |
| 7 | ALTER TABLE test_labels_tests ADD CONSTRAINT tests_labels_tests_ibfk_1 |
| 8 | FOREIGN KEY (testlabel_id) REFERENCES test_labels (id); |
| 9 | |
| 10 | ALTER TABLE test_labels_tests ADD CONSTRAINT tests_labels_tests_ibfk_2 |
| 11 | FOREIGN KEY (test_id) REFERENCES tests (test_idx); |
| 12 | """ |
| 13 | |
| 14 | DROP_FOREIGN_KEYS = """ |
| 15 | ALTER TABLE test_labels_tests DROP FOREIGN KEY tests_labels_tests_ibfk_1; |
| 16 | ALTER TABLE test_labels_tests DROP FOREIGN KEY tests_labels_tests_ibfk_2; |
| 17 | ALTER TABLE test_labels_tests MODIFY COLUMN test_id int(11) NOT NULL; |
| 18 | """ |
| 19 | |
| 20 | def migrate_up(mgr): |
| 21 | mgr.execute_script(ADD_FOREIGN_KEYS) |
| 22 | |
| 23 | def migrate_down(mgr): |
| 24 | mgr.execute_script(DROP_FOREIGN_KEYS) |