1.58. droptrigger_int( integer, name )

Function Properties

Language: PLPGSQL

Return Type: integer

dropTrigger_int (trig_tabid, trig_tgname) Processes DROP_TRIGGER event to make sure that trigger trig_tgname on replicated table trig_tabid IS disabled.

declare
	p_trig_tabid		alias for $1;
	p_trig_tgname		alias for $2;
	v_tab_altered		boolean;
begin
	-- ----
	-- Grab the central configuration lock
	-- ----
	lock table sl_config_lock;

	-- ----
	-- Get the current table status (altered or not)
	-- ----
	select tab_altered into v_tab_altered
			from sl_table where tab_id = p_trig_tabid;
	if not found then
		-- ----
		-- Not found is no hard error here, because that might
		-- mean that we are not subscribed to that set
		-- ----
		return 0;
	end if;

	-- ----
	-- If the table is modified for replication, restore the original state
	-- ----
	if v_tab_altered then
		perform alterTableRestore(p_trig_tabid);
	end if;

	-- ----
	-- Remove the entry from sl_trigger
	-- ----
	delete from sl_trigger
			where trig_tabid = p_trig_tabid
			  and trig_tgname = p_trig_tgname;

	-- ----
	-- Put the table back into replicated state if it was
	-- ----
	if v_tab_altered then
		perform alterTableForReplication(p_trig_tabid);
	end if;

	return p_trig_tabid;
end;