ipld-eth-server/db/migrations/20180911235603_add_price_feed_trigger.sql
Rob Mulholand 925b1b0b1c Revert "Convert existing migrations from timestamp to versioned"
- This reverts commit 4e2536bf421fd9d2c9067d81f30e0f45c6b94fe7.
- Restore timestamped migrations so goose fix can handle ordering
  dynamically with plugins also supplying timestamp based migrations
2019-02-20 16:01:35 -06:00

22 lines
522 B
PL/PgSQL

-- +goose Up
-- +goose StatementBegin
CREATE OR REPLACE FUNCTION notify_pricefeed() RETURNS trigger AS $$
BEGIN
PERFORM pg_notify(
CAST('postgraphile:price_feed' AS text),
json_build_object('__node__', json_build_array('price_feeds', NEW.id))::text
);
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
-- +goose StatementEnd
CREATE TRIGGER notify_pricefeeds
AFTER INSERT ON maker.price_feeds
FOR EACH ROW
EXECUTE PROCEDURE notify_pricefeed();
-- +goose Down
DROP TRIGGER notify_pricefeeds ON maker.price_feeds;