diff options
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 3 | ||||
| -rw-r--r-- | src/backend/optimizer/prep/prepunion.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index e230329a452..5de9235f5dd 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -343,6 +343,9 @@ create_plan_recurse(PlannerInfo *root, Path *best_path, int flags) { Plan *plan; + /* Guard against stack overflow due to overly complex plans */ + check_stack_depth(); + switch (best_path->pathtype) { case T_SeqScan: diff --git a/src/backend/optimizer/prep/prepunion.c b/src/backend/optimizer/prep/prepunion.c index 266ee4db5e8..1d61a0d616f 100644 --- a/src/backend/optimizer/prep/prepunion.c +++ b/src/backend/optimizer/prep/prepunion.c @@ -253,6 +253,9 @@ recurse_set_operations(Node *setOp, PlannerInfo *root, List **pTargetList, double *pNumGroups) { + /* Guard against stack overflow due to overly complex setop nests */ + check_stack_depth(); + if (IsA(setOp, RangeTblRef)) { RangeTblRef *rtr = (RangeTblRef *) setOp; |