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-rw-r--r--synapse/storage/schema/delta/53/user_ips_index.sql26
1 files changed, 26 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/53/user_ips_index.sql b/synapse/storage/schema/delta/53/user_ips_index.sql
new file mode 100644
index 0000000000..4ca346c111
--- /dev/null
+++ b/synapse/storage/schema/delta/53/user_ips_index.sql
@@ -0,0 +1,26 @@
+/* Copyright 2018 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+-- delete duplicates
+INSERT INTO background_updates (update_name, progress_json) VALUES
+  ('user_ips_remove_dupes', '{}');
+
+-- add a new unique index to user_ips table
+INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES
+  ('user_ips_device_unique_index', '{}', 'user_ips_remove_dupes');
+
+-- drop the old original index
+INSERT INTO background_updates (update_name, progress_json, depends_on) VALUES
+  ('user_ips_drop_nonunique_index', '{}', 'user_ips_device_unique_index');
\ No newline at end of file