Add index on expires column of the SQL token Backend2013.2.b1

Add migration script to add the index.

bp index-token-expiry

Change-Id: I36934c18979df5037d606d4846b29194750847af
Fixes: bug #1168399

1 files changed, 17 insertions, 0 deletions

diff --git a/keystone/common/sql/migrate_repo/versions/024_add_index_to_expires.py b/keystone/common/sql/migrate_repo/versions/024_add_index_to_expires.py
new file mode 100644
index 000000000..51073bf3d
--- /dev/null
+++ b/keystone/common/sql/migrate_repo/versions/024_add_index_to_expires.py
@@ -0,0 +1,17 @@
+import sqlalchemy as sql
+
+
+def upgrade(migrate_engine):
+    meta = sql.MetaData()
+    meta.bind = migrate_engine
+    token = sql.Table('token', meta, autoload=True)
+    idx = sql.Index('ix_token_expires', token.c.expires)
+    idx.create(migrate_engine)
+
+
+def downgrade(migrate_engine):
+    meta = sql.MetaData()
+    meta.bind = migrate_engine
+    token = sql.Table('token', meta, autoload=True)
+    idx = sql.Index('ix_token_expires', token.c.expires)
+    idx.drop(migrate_engine)