track topic update history

[websub-hub] / src / db / postgres / sql / schema / 1.0.3 / apply.sql

diff --git a/src/db/postgres/sql/schema/1.0.3/apply.sql b/src/db/postgres/sql/schema/1.0.3/apply.sql
new file mode 100644 (file)
index 0000000..04b49c7
--- /dev/null
+++ b/src/db/postgres/sql/schema/1.0.3/apply.sql
@@ -0,0 +1,13 @@
+BEGIN;
+       -- Track all content updates over time.
+       CREATE TABLE topic_content_history (
+               topic_id UUID NOT NULL REFERENCES topic(id) ON DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY DEFERRED,
+               content_updated TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT now(),
+               content_size INTEGER NOT NULL,
+               content_hash TEXT NOT NULL
+       );
+       CREATE INDEX topic_content_history_topic_id_idx ON topic_content_history(topic_id);
+       CREATE INDEX topic_content_history_content_updated_idx ON topic_content_history(content_updated);
+
+       INSERT INTO _meta_schema_version (major, minor, patch) VALUES (1, 0, 3);
+COMMIT;