openGauss-server/contrib/pgrowlocks/pgrowlocks--1.0.sql

16 lines
534 B
SQL

/* contrib/pgrowlocks/pgrowlocks--1.0.sql */
-- complain if script is sourced in psql, rather than via CREATE EXTENSION
\echo Use "CREATE EXTENSION pgrowlocks" to load this file. \quit
CREATE FUNCTION pgrowlocks(IN relname text,
OUT locked_row TID, -- row TID
OUT lock_type TEXT, -- lock type
OUT locker XID, -- locking XID
OUT multi bool, -- multi XID?
OUT xids xid[], -- multi XIDs
OUT pids INTEGER[]) -- locker's process id
RETURNS SETOF record
AS 'MODULE_PATHNAME', 'pgrowlocks'
LANGUAGE C STRICT;