From cd2b7d3c4d1b3daa4f8e07d5702ed9e699adc361 Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Thu, 25 Feb 2010 07:31:40 +0000
Subject: [PATCH] Fix streaming replication starting at the very first WAL
 segment. Per complaint from Greg Stark.

---
 .../replication/libpqwalreceiver/libpqwalreceiver.c   |  4 +---
 src/backend/replication/walsender.c                   | 11 +----------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
index 039370a851..875dbafa11 100644
--- a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
+++ b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.3 2010/02/03 09:47:19 heikki Exp $
+ *	  $PostgreSQL: pgsql/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c,v 1.4 2010/02/25 07:31:40 heikki Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -84,8 +84,6 @@ libpqrcv_connect(char *conninfo, XLogRecPtr startpoint)
 	PGresult   *res;
 	char		cmd[64];
 
-	Assert(startpoint.xlogid != 0 || startpoint.xrecoff != 0);
-
 	/* Connect */
 	snprintf(conninfo_repl, sizeof(conninfo_repl), "%s replication=true", conninfo);
 
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index bf533fff73..a8706ab06f 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -30,7 +30,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.7 2010/02/18 11:13:46 heikki Exp $
+ *	  $PostgreSQL: pgsql/src/backend/replication/walsender.c,v 1.8 2010/02/25 07:31:40 heikki Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -573,15 +573,6 @@ XLogSend(StringInfo outMsg)
 	/* use volatile pointer to prevent code rearrangement */
 	volatile WalSnd *walsnd = MyWalSnd;
 
-	/*
-	 * Invalid position means that we have not yet received the initial
-	 * CopyData message from the slave that indicates where to start the
-	 * streaming.
-	 */
-	if (sentPtr.xlogid == 0 &&
-		sentPtr.xrecoff == 0)
-		return true;
-
 	/* Attempt to send all records flushed to the disk already */
 	SendRqstPtr = GetWriteRecPtr();
 
-- 
2.40.0