pgrowlocks.sql

来自「PostgreSQL 8.2中增加了很多企业用户所需要的功能和性能上的提高,其开」· SQL 代码 · 共 17 行

-- Adjust this setting to control where the objects get created.
SET search_path = public;

CREATE TYPE pgrowlocks_type AS (
	locked_row TID,		-- row TID
	lock_type TEXT,		-- lock type
	locker XID,		-- locking XID
	multi bool,		-- multi XID?
	xids xid[],		-- multi XIDs
	pids INTEGER[]		-- locker's process id
);

CREATE OR REPLACE FUNCTION pgrowlocks(text)
RETURNS setof pgrowlocks_type
AS '$libdir/pgrowlocks', 'pgrowlocks'
LANGUAGE 'C' STRICT;