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-rw-r--r--src/backend/nodes/copyfuncs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index 6aa7e559087..2c7e7a584fc 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -22,6 +22,7 @@
#include "postgres.h"
+#include "miscadmin.h"
#include "nodes/plannodes.h"
#include "nodes/relation.h"
#include "utils/datum.h"
@@ -2794,6 +2795,9 @@ copyObject(void *from)
if (from == NULL)
return NULL;
+ /* Guard against stack overflow due to overly complex expressions */
+ check_stack_depth();
+
switch (nodeTag(from))
{
/*