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NOTIFY when replaceable events update

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Alex Gleason 2025-02-15 13:04:12 -06:00
parent 6eb579e137
commit d8d8cc20c9
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1 changed files with 45 additions and 0 deletions
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src/db/migrations/051_notify_replaceable.ts Normal file
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import { Kysely, sql } from 'kysely';
export async function up(db: Kysely<unknown>): Promise<void> {
await sql`
CREATE OR REPLACE FUNCTION notify_nostr_event()
RETURNS TRIGGER AS $$
BEGIN
IF OLD.id IS DISTINCT FROM NEW.id THEN
PERFORM pg_notify('nostr_event', NEW.id::text);
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
`.execute(db);
await sql`DROP TRIGGER IF EXISTS nostr_event_trigger ON nostr_events`.execute(db);
await sql`
CREATE TRIGGER nostr_event_trigger
AFTER INSERT OR UPDATE ON nostr_events
FOR EACH ROW EXECUTE FUNCTION notify_nostr_event()
`.execute(db);
}
export async function down(db: Kysely<unknown>): Promise<void> {
await sql`
CREATE OR REPLACE FUNCTION notify_nostr_event()
RETURNS TRIGGER AS $$
BEGIN
PERFORM pg_notify('nostr_event', NEW.id::text);
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
`.execute(db);
await sql`DROP TRIGGER IF EXISTS nostr_event_trigger ON nostr_events`.execute(db);
await sql`
CREATE TRIGGER nostr_event_trigger
AFTER INSERT ON nostr_events
FOR EACH ROW EXECUTE FUNCTION notify_nostr_event()
`.execute(db);
}