From 693277bb72ed7aa655c48b79ab272391c5f3991c Mon Sep 17 00:00:00 2001
From: Tatsuo Ishii <ishii@postgresql.org>
Date: Tue, 10 Oct 2017 11:17:37 +0900
Subject: [PATCH] Add debug aid to disable postmaster shutdown detection.

By turning on DISABLE_POSTMASTER_DOWN in
detect_postmaster_down_error(), Pgpool-II will not detect postmaster
shutdown event.
---
 src/protocol/pool_process_query.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/protocol/pool_process_query.c b/src/protocol/pool_process_query.c
index a523cc947..02f10eab7 100644
--- a/src/protocol/pool_process_query.c
+++ b/src/protocol/pool_process_query.c
@@ -4057,6 +4057,12 @@ static int detect_postmaster_down_error(POOL_CONNECTION *backend, int major)
 			(errmsg("detecting postmaster down error")));
 		return r;
 	}
+
+#undef DISABLE_POSTMASTER_DOWN
+#ifdef DISABLE_POSTMASTER_DOWN
+	return 0;
+#endif
+
 	if (r == SPECIFIED_ERROR)
 	{
 		ereport(DEBUG1,
-- 
2.39.5