| from trac.versioncontrol.cache import CACHE_YOUNGEST_REV |
| |
| def do_upgrade(env, ver, cursor): |
| """Modify the repository cache scheme (if needed) |
| |
| Now we use the 'youngest_rev' entry in the system table |
| to explicitly store the youngest rev in the cache. |
| """ |
| youngest = '' |
| cursor.execute("SELECT value FROM system WHERE name='repository_dir'") |
| for repository_dir, in cursor: |
| if repository_dir.startswith('svn:'): |
| cursor.execute("SELECT rev FROM revision " |
| "ORDER BY -LENGTH(rev), rev DESC LIMIT 1") |
| row = cursor.fetchone() |
| youngest = row and row[0] or '' |
| else: |
| print 'Please perform a "repository resync" after this upgrade.' |
| |
| # deleting first, for the 0.11dev and 0.10.4dev users |
| cursor.execute("DELETE FROM system WHERE name=%s", |
| (CACHE_YOUNGEST_REV,)) |
| cursor.execute("INSERT INTO system (name, value) VALUES (%s, %s)", |
| (CACHE_YOUNGEST_REV, youngest)) |
