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Diffstat (limited to 'src/backend/nodes/readfuncs.c')
-rw-r--r--src/backend/nodes/readfuncs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index e117867de56..fa27f37d6f0 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -33,6 +33,7 @@
#include <math.h>
#include "fmgr.h"
+#include "miscadmin.h"
#include "nodes/extensible.h"
#include "nodes/parsenodes.h"
#include "nodes/plannodes.h"
@@ -2549,6 +2550,9 @@ parseNodeString(void)
READ_TEMP_LOCALS();
+ /* Guard against stack overflow due to overly complex expressions */
+ check_stack_depth();
+
token = pg_strtok(&length);
#define MATCH(tokname, namelen) \