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>8.105. setdroptable_int(p_tab_id integer)</A
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>       <P
><B
>Function Properties</B
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><P
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>Language: </B
>PLPGSQL</P
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>Return Type: </B
>integer</P
>
 
       setDropTable_int (tab_id)

This function processes the SET_DROP_TABLE event on remote nodes,
dropping a table from replication if the remote node is subscribing to
its replication set.
        </P><PRE
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>declare
	v_set_id		int4;
	v_local_node_id		int4;
	v_set_origin		int4;
	v_sub_provider		int4;
	v_tab_reloid		oid;
begin
	-- ----
	-- Grab the central configuration lock
	-- ----
	lock table sl_config_lock;

    -- ----
	-- Determine the set_id
    -- ----
	select tab_set into v_set_id from sl_table where tab_id = p_tab_id;

	-- ----
	-- Ensure table exists
	-- ----
	if not found then
		return 0;
	end if;

	-- ----
	-- For sets with a remote origin, check that we are subscribed 
	-- to that set. Otherwise we ignore the table because it might 
	-- not even exist in our database.
	-- ----
	v_local_node_id := getLocalNodeId('_schemadoc');
	select set_origin into v_set_origin
			from sl_set
			where set_id = v_set_id;
	if not found then
		raise exception 'Slony-I: setDropTable_int(): set % not found',
				v_set_id;
	end if;
	if v_set_origin != v_local_node_id then
		select sub_provider into v_sub_provider
				from sl_subscribe
				where sub_set = v_set_id
				and sub_receiver = getLocalNodeId('_schemadoc');
		if not found then
			return 0;
		end if;
	end if;
	
	-- ----
	-- Drop the table from sl_table and drop trigger from it.
	-- ----
	perform alterTableDropTriggers(p_tab_id);
	delete from sl_table where tab_id = p_tab_id;
	return p_tab_id;
end;</PRE
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