0.13dev: Follow-up to [10581], added missing file.

git-svn-id: http://trac.edgewall.org/intertrac/log:/trunk@10582 af82e41b-90c4-0310-8c96-b1721e28e2e2

trac/upgrades/db27.py

@@ -0,0 +1,15 @@
+from trac.db import Table, Column, DatabaseManager
+
+def do_upgrade(env, ver, cursor):
+    """Modify the cache table to use an integer id."""
+    # No need to keep the previous content
+    cursor.execute("DROP TABLE cache")
+
+    table = Table('cache', key='id')[
+        Column('id', type='int'),
+        Column('generation', type='int'),
+        Column('key'),
+    ]
+    db_connector, _ = DatabaseManager(env).get_connector()
+    for stmt in db_connector.to_sql(table):
+        cursor.execute(stmt)