From 20a526d5c46d0c78c90f1b2a29f40ce27ce852e2 Mon Sep 17 00:00:00 2001
From: Marco Slot <marco.slot@gmail.com>
Date: Wed, 22 Nov 2017 11:20:26 +0100
Subject: [PATCH] Fix memory leak in ListToHashSet

---
 src/backend/distributed/utils/listutils.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/backend/distributed/utils/listutils.c b/src/backend/distributed/utils/listutils.c
index 2b7a68ddc..9d680920b 100644
--- a/src/backend/distributed/utils/listutils.c
+++ b/src/backend/distributed/utils/listutils.c
@@ -121,7 +121,7 @@ ListToHashSet(List *itemList, Size keySize, bool isStringList)
 	HASHCTL info;
 	HTAB *itemSet = NULL;
 	ListCell *itemCell = NULL;
-	int flags = HASH_ELEM;
+	int flags = HASH_ELEM | HASH_CONTEXT;
 
 	/* allocate sufficient capacity for O(1) expected look-up time */
 	int capacity = (int) (list_length(itemList) / 0.75) + 1;
@@ -130,6 +130,7 @@ ListToHashSet(List *itemList, Size keySize, bool isStringList)
 	memset(&info, 0, sizeof(info));
 	info.keysize = keySize;
 	info.entrysize = keySize;
+	info.hcxt = CurrentMemoryContext;
 
 	if (!isStringList)
 	{