Setup framework to do integration testing (#50)

compressor_integration_tests/database_setup.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+#N.B. the database setup comes from:
+#https://github.com/matrix-org/synapse/blob/develop/synapse/storage/schema/state/full_schemas/54/full.sql
+
+# Setup the required tables for testing
+psql --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<SQLCODE
+
+CREATE TABLE state_groups (
+    id BIGINT PRIMARY KEY,
+    room_id TEXT NOT NULL,
+    event_id TEXT NOT NULL
+);
+
+CREATE TABLE state_groups_state (
+    state_group BIGINT NOT NULL,
+    room_id TEXT NOT NULL,
+    type TEXT NOT NULL,
+    state_key TEXT NOT NULL,
+    event_id TEXT NOT NULL
+);
+
+CREATE TABLE state_group_edges (
+    state_group BIGINT NOT NULL,
+    prev_state_group BIGINT NOT NULL
+);
+
+SQLCODE