| showard | ce12f55 | 2008-09-19 00:48:59 +0000 | [diff] [blame] | 1 | def migrate_up(manager): |
| 2 | manager.execute_script(ADD_COLUMNS) |
| 3 | |
| 4 | def migrate_down(manager): |
| 5 | manager.execute_script(DROP_COLUMNS) |
| 6 | |
| 7 | ADD_COLUMNS = """\ |
| 8 | DELETE FROM embedded_graphing_queries; |
| 9 | |
| 10 | ALTER TABLE embedded_graphing_queries |
| 11 | DROP COLUMN last_accessed; |
| 12 | |
| 13 | ALTER TABLE embedded_graphing_queries |
| 14 | ADD COLUMN ( |
| 15 | last_updated DATETIME NOT NULL, |
| 16 | refresh_time DATETIME DEFAULT NULL, |
| 17 | cached_png MEDIUMBLOB |
| 18 | ); |
| 19 | """ |
| 20 | |
| 21 | DROP_COLUMNS = """\ |
| 22 | ALTER TABLE embedded_graphing_queries |
| 23 | DROP COLUMN last_updated; |
| 24 | |
| 25 | ALTER TABLE embedded_graphing_queries |
| 26 | DROP COLUMN cached_png; |
| 27 | |
| 28 | ALTER TABLE embedded_graphing_queries |
| 29 | DROP COLUMN refresh_time; |
| 30 | |
| 31 | ALTER TABLE embedded_graphing_queries |
| 32 | ADD COLUMN (last_accessed DATETIME NOT NULL); |
| 33 | """ |