init commit

store/migration/sqlite/0.5/01__memo_resource.sql

@@ -0,0 +1,10 @@
+-- memo_resource
+CREATE TABLE memo_resource (
+  memo_id INTEGER NOT NULL,
+  resource_id INTEGER NOT NULL,
+  created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
+  updated_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now')),
+  FOREIGN KEY(memo_id) REFERENCES memo(id) ON DELETE CASCADE,
+  FOREIGN KEY(resource_id) REFERENCES resource(id) ON DELETE CASCADE,
+  UNIQUE(memo_id, resource_id)
+);