Merge branch 'feature-1515-activity-streams' of github.com:okfn/ckan …

…into feature-1515-activity-streams

ckan/migration/versions/048_add_activity_streams_tables.py

@@ -0,0 +1,35 @@
+from sqlalchemy import *
+from migrate import *
+
+def upgrade(migrate_engine):
+    metadata = MetaData()
+    metadata.bind = migrate_engine
+    migrate_engine.execute('''
+CREATE TABLE activity (
+	id text NOT NULL,
+	timestamp timestamp without time zone,
+	user_id text,
+	object_id text,
+	revision_id text,
+	activity_type text,
+	data text
+);
+
+CREATE TABLE activity_detail (
+	id text NOT NULL,
+	activity_id text NOT NULL,
+	object_id text,
+	object_type text,
+	activity_type text,
+	data text
+);
+
+ALTER TABLE activity
+	ADD CONSTRAINT activity_pkey PRIMARY KEY (id);
+
+ALTER TABLE activity_detail
+	ADD CONSTRAINT activity_detail_pkey PRIMARY KEY (id);
+
+ALTER TABLE activity_detail
+	ADD CONSTRAINT activity_detail_activity_id_fkey FOREIGN KEY (activity_id) REFERENCES activity(id);
+    ''')