revmischa

#include <stdio.h>
#include <stdlib.h>
#include <libpq-fe.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>

// channel to LISTEN on
const char *listenChannel = "foo";

jberkus

-- For documentation on these functions, please see blog post at:
-- http://www.databasesoup.com/2012/10/determining-furthest-ahead-replica.html

-- determines current xlog location as a monotonically increasing numeric.
CREATE OR REPLACE FUNCTION xlog_location_numeric(vcloc text default NULL)
RETURNS numeric
LANGUAGE plpgsql
as $f$
DECLARE cloc text;
        floc text[];