From cb0c185ce6515b1e9465781667886c0543531c4d Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Sat, 28 Apr 2018 15:15:53 +0100
Subject: [PATCH] Update xid_to_int4 to use postgres version 1 calling
 convention

---
 db/functions/xid_to_int4.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/db/functions/xid_to_int4.c b/db/functions/xid_to_int4.c
index d654bf269..e312b5f15 100644
--- a/db/functions/xid_to_int4.c
+++ b/db/functions/xid_to_int4.c
@@ -1,11 +1,16 @@
 #include <postgres.h>
 #include <fmgr.h>
 
-int xid_to_int4(TransactionId xid)
+Datum
+xid_to_int4(PG_FUNCTION_ARGS)
 {
-   return xid;
+   TransactionId xid = PG_GETARG_INT32(0);
+
+   PG_RETURN_INT32(xid);
 }
 
+PG_FUNCTION_INFO_V1(xid_to_int4);
+
 /*
  * To bind this into PGSQL, try something like:
  *
-- 
2.39.5