Add pubsub table.

src/main/resources/changelog/version/0-1-init-crdb.sql

@@ -31,3 +31,7 @@ CREATE TABLE IF NOT EXISTS users_subscribed (
 );
 
 --rollback DROP TABLE IF EXISTS users_subscribed;
+
+CREATE INDEX IF NOT EXISTS pubsub_subbed_at_idx ON pubsub (subbed_at ASC) USING HASH;
+
+--rollback DROP INDEX IF EXISTS pubsub_subbed_at_idx;

src/main/resources/changelog/version/0-1-init-pg.sql

@@ -32,3 +32,7 @@ CREATE INDEX IF NOT EXISTS users_subscribed_subscriber_idx ON users_subscribed (
 CREATE INDEX IF NOT EXISTS users_subscribed_channel_idx ON users_subscribed (channel ASC);
 
 --rollback DROP TABLE IF EXISTS users_subscribed;
+
+CREATE INDEX IF NOT EXISTS pubsub_subbed_at_idx ON pubsub (subbed_at ASC);
+
+--rollback DROP INDEX IF EXISTS pubsub_subbed_at_idx;

src/main/resources/changelog/version/0-1-init.sql

@@ -23,3 +23,13 @@ CREATE TABLE IF NOT EXISTS channels (
 CREATE INDEX IF NOT EXISTS channels_uploader_idx ON channels (uploader ASC);
 
 --rollback DROP TABLE IF EXISTS channels;
+
+CREATE TABLE IF NOT EXISTS pubsub (
+    id VARCHAR(24) NOT NULL,
+    subbed_at INT8 NULL,
+    CONSTRAINT pubsub_pkey PRIMARY KEY (id)
+);
+
+CREATE INDEX IF NOT EXISTS pubsub_id_idx ON pubsub (id ASC);
+
+--rollback DROP TABLE IF EXISTS pubsub;