diff --git a/synapse/storage/schema/delta/42/user_dir.py b/synapse/storage/schema/delta/42/user_dir.py
new file mode 100644
index 0000000000..38538960a4
--- /dev/null
+++ b/synapse/storage/schema/delta/42/user_dir.py
@@ -0,0 +1,69 @@
+# 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.
+
+import logging
+
+from synapse.storage.prepare_database import get_statements
+from synapse.storage.engines import PostgresEngine, Sqlite3Engine
+
+logger = logging.getLogger(__name__)
+
+
+BOTH_TABLES = """
+CREATE TABLE user_directory_stream_pos (
+ Lock CHAR(1) NOT NULL DEFAULT 'X' UNIQUE, -- Makes sure this table only has one row.
+ stream_id BIGINT,
+ CHECK (Lock='X')
+);
+
+INSERT INTO user_directory_stream_pos (stream_id) VALUES (null);
+"""
+
+
+POSTGRES_TABLE = """
+CREATE TABLE user_directory (
+ user_id TEXT NOT NULL,
+ room_id TEXT NOT NULL,
+ display_name TEXT,
+ avatar_url TEXT,
+ vector tsvector
+);
+
+CREATE INDEX user_directory_fts_idx ON user_directory USING gin(vector);
+CREATE INDEX user_directory_user_idx ON user_directory(user_id);
+"""
+
+
+SQLITE_TABLE = """
+CREATE VIRTUAL TABLE user_directory
+ USING fts4 ( user_id, room_id, display_name, avatar_url, value );
+"""
+
+
+def run_create(cur, database_engine, *args, **kwargs):
+ for statement in get_statements(BOTH_TABLES.splitlines()):
+ cur.execute(statement)
+
+ if isinstance(database_engine, PostgresEngine):
+ for statement in get_statements(POSTGRES_TABLE.splitlines()):
+ cur.execute(statement)
+ elif isinstance(database_engine, Sqlite3Engine):
+ for statement in get_statements(SQLITE_TABLE.splitlines()):
+ cur.execute(statement)
+ else:
+ raise Exception("Unrecognized database engine")
+
+
+def run_upgrade(*args, **kwargs):
+ pass
|