From bc48c6d1188f84c41a70763cbfa5bfeaf40bf3ad Mon Sep 17 00:00:00 2001
From: Andrei Martsinchyk
Date: Wed, 18 Feb 2015 12:55:57 -0800
Subject: Recently added MergeAppend plan node was not handled in
 ExecFinishInitProcNode. It has node-specific list of subplans that should be
 processed.

---
 src/backend/executor/execProcnode.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/backend/executor/execProcnode.c b/src/backend/executor/execProcnode.c
index 17eec5cb25..a91a55cdb5 100644
--- a/src/backend/executor/execProcnode.c
+++ b/src/backend/executor/execProcnode.c
@@ -408,6 +408,17 @@ ExecFinishInitProcNode(PlanState *node)
 			break;
 		}
 
+		case T_MergeAppendState:
+		{
+			MergeAppendState    *mappend = (MergeAppendState *) node;
+			int 			i;
+
+			for (i = 0; i < mappend->ms_nplans; i++)
+				ExecFinishInitProcNode(mappend->mergeplans[i]);
+
+			break;
+		}
+
 		case T_SubqueryScanState:
 			ExecFinishInitProcNode(((SubqueryScanState *) node)->subplan);
 			break;
-- 
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