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-rw-r--r--synapse/storage/schema/delta/43/user_share.sql32
1 files changed, 32 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/43/user_share.sql b/synapse/storage/schema/delta/43/user_share.sql
new file mode 100644
index 0000000000..f552b6eb7b
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+++ b/synapse/storage/schema/delta/43/user_share.sql
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+/* Copyright 2017 Vector Creations 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.
+ */
+
+-- Table keeping track of who shares a room with who. We only keep track
+-- of this for local users, so `user_id` is local users only (but we do keep track
+-- of which remote users share a room)
+CREATE TABLE users_who_share_rooms (
+    user_id TEXT NOT NULL,
+    other_user_id TEXT NOT NULL,
+    room_id TEXT NOT NULL,
+    share_private BOOLEAN NOT NULL  -- is the shared room private? i.e. they share a private room
+);
+
+
+CREATE UNIQUE INDEX users_who_share_rooms_u_idx ON users_who_share_rooms(user_id, other_user_id);
+CREATE INDEX users_who_share_rooms_r_idx ON users_who_share_rooms(room_id, user_id);
+
+
+-- Make sure that we popualte the table initially
+UPDATE user_directory_stream_pos SET stream_id = NULL;