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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2019-08-21 13:16:28 +0100
committerGitHub <noreply@github.com>2019-08-21 13:16:28 +0100
commit4dab867288167881e5d89c8743b633be109bf603 (patch)
tree7f3f069ce1657e3e12e540338494c8addb1932cc
parentRefactor the Appservice scheduler code (#5886) (diff)
downloadsynapse-4dab867288167881e5d89c8743b633be109bf603.tar.xz
Drop some unused tables. (#5893)
These tables are never used, so we may as well drop them.
-rw-r--r--changelog.d/5893.misc1
-rw-r--r--synapse/storage/events.py14
-rw-r--r--synapse/storage/room.py35
-rw-r--r--synapse/storage/schema/delta/56/drop_unused_event_tables.sql20
4 files changed, 23 insertions, 47 deletions
diff --git a/changelog.d/5893.misc b/changelog.d/5893.misc
new file mode 100644
index 0000000000..07ee4888dc
--- /dev/null
+++ b/changelog.d/5893.misc
@@ -0,0 +1 @@
+Drop some unused tables.
diff --git a/synapse/storage/events.py b/synapse/storage/events.py
index ac876287fc..6fcfa4d789 100644
--- a/synapse/storage/events.py
+++ b/synapse/storage/events.py
@@ -1302,15 +1302,11 @@ class EventsStore(
             "event_reference_hashes",
             "event_search",
             "event_to_state_groups",
-            "guest_access",
-            "history_visibility",
             "local_invites",
-            "room_names",
             "state_events",
             "rejections",
             "redactions",
             "room_memberships",
-            "topics",
         ):
             txn.executemany(
                 "DELETE FROM %s WHERE event_id = ?" % (table,),
@@ -1454,10 +1450,10 @@ class EventsStore(
 
         for event, _ in events_and_contexts:
             if event.type == EventTypes.Name:
-                # Insert into the room_names and event_search tables.
+                # Insert into the event_search table.
                 self._store_room_name_txn(txn, event)
             elif event.type == EventTypes.Topic:
-                # Insert into the topics table and event_search table.
+                # Insert into the event_search table.
                 self._store_room_topic_txn(txn, event)
             elif event.type == EventTypes.Message:
                 # Insert into the event_search table.
@@ -1465,12 +1461,6 @@ class EventsStore(
             elif event.type == EventTypes.Redaction:
                 # Insert into the redactions table.
                 self._store_redaction(txn, event)
-            elif event.type == EventTypes.RoomHistoryVisibility:
-                # Insert into the event_search table.
-                self._store_history_visibility_txn(txn, event)
-            elif event.type == EventTypes.GuestAccess:
-                # Insert into the event_search table.
-                self._store_guest_access_txn(txn, event)
 
             self._handle_event_relations(txn, event)
 
diff --git a/synapse/storage/room.py b/synapse/storage/room.py
index bc606292b8..08e13f3a3b 100644
--- a/synapse/storage/room.py
+++ b/synapse/storage/room.py
@@ -386,32 +386,12 @@ class RoomStore(RoomWorkerStore, SearchStore):
 
     def _store_room_topic_txn(self, txn, event):
         if hasattr(event, "content") and "topic" in event.content:
-            self._simple_insert_txn(
-                txn,
-                "topics",
-                {
-                    "event_id": event.event_id,
-                    "room_id": event.room_id,
-                    "topic": event.content["topic"],
-                },
-            )
-
             self.store_event_search_txn(
                 txn, event, "content.topic", event.content["topic"]
             )
 
     def _store_room_name_txn(self, txn, event):
         if hasattr(event, "content") and "name" in event.content:
-            self._simple_insert_txn(
-                txn,
-                "room_names",
-                {
-                    "event_id": event.event_id,
-                    "room_id": event.room_id,
-                    "name": event.content["name"],
-                },
-            )
-
             self.store_event_search_txn(
                 txn, event, "content.name", event.content["name"]
             )
@@ -422,21 +402,6 @@ class RoomStore(RoomWorkerStore, SearchStore):
                 txn, event, "content.body", event.content["body"]
             )
 
-    def _store_history_visibility_txn(self, txn, event):
-        self._store_content_index_txn(txn, event, "history_visibility")
-
-    def _store_guest_access_txn(self, txn, event):
-        self._store_content_index_txn(txn, event, "guest_access")
-
-    def _store_content_index_txn(self, txn, event, key):
-        if hasattr(event, "content") and key in event.content:
-            sql = (
-                "INSERT INTO %(key)s"
-                " (event_id, room_id, %(key)s)"
-                " VALUES (?, ?, ?)" % {"key": key}
-            )
-            txn.execute(sql, (event.event_id, event.room_id, event.content[key]))
-
     def add_event_report(
         self, room_id, event_id, user_id, reason, content, received_ts
     ):
diff --git a/synapse/storage/schema/delta/56/drop_unused_event_tables.sql b/synapse/storage/schema/delta/56/drop_unused_event_tables.sql
new file mode 100644
index 0000000000..9f09922c67
--- /dev/null
+++ b/synapse/storage/schema/delta/56/drop_unused_event_tables.sql
@@ -0,0 +1,20 @@
+/* Copyright 2019 The Matrix.org Foundation C.I.C.
+ *
+ * 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.
+ */
+
+-- these tables are never used.
+DROP TABLE IF EXISTS room_names;
+DROP TABLE IF EXISTS topics;
+DROP TABLE IF EXISTS history_visibility;
+DROP TABLE IF EXISTS guest_access;