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path: root/src/backend/optimizer/util/clauses.c
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-rw-r--r--src/backend/optimizer/util/clauses.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c
index 94eb56a1e79..edc25d712e9 100644
--- a/src/backend/optimizer/util/clauses.c
+++ b/src/backend/optimizer/util/clauses.c
@@ -2423,6 +2423,10 @@ static Node *
eval_const_expressions_mutator(Node *node,
eval_const_expressions_context *context)
{
+
+ /* since this function recurses, it could be driven to stack overflow */
+ check_stack_depth();
+
if (node == NULL)
return NULL;
switch (nodeTag(node))