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CREATE FUNCTION _api.follow_insert()
RETURNS TRIGGER
LANGUAGE plpgsql VOLATILE
AS $BODY$
DECLARE
_user_id INTEGER;
BEGIN
_user_id = _api.get_user_id();
IF NEW.followee_id IS NULL THEN
-- for now
PERFORM _api.raise_deny();
END IF;
NEW.value := COALESCE(NEW.value, TRUE);
INSERT INTO admin.follow (
follower_id,
followee_id,
value
) VALUES (
_user_id,
NEW.followee_id,
NEW.value
)
RETURNING id
INTO NEW.id;
RETURN NEW;
END
$BODY$;
GRANT EXECUTE ON FUNCTION _api.follow_insert()
TO rest_user;
GRANT INSERT ON TABLE api.follow
TO rest_user;
GRANT INSERT ON TABLE admin.follow
TO rest_user;
GRANT UPDATE ON TABLE sys.follow_id_seq
TO rest_user;
CREATE TRIGGER api_follow_insert_trgr
INSTEAD OF INSERT
ON api.follow
FOR EACH ROW
EXECUTE PROCEDURE _api.follow_insert();
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