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-rw-r--r--src/include/optimizer/prep.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/optimizer/prep.h b/src/include/optimizer/prep.h
index 8e00716dc82..a52dec285d5 100644
--- a/src/include/optimizer/prep.h
+++ b/src/include/optimizer/prep.h
@@ -53,6 +53,6 @@ extern void preprocess_aggrefs(PlannerInfo *root, Node *clause);
* prototypes for prepunion.c
*/
extern RelOptInfo *plan_set_operations(PlannerInfo *root);
-
+extern bool set_operation_ordered_results_useful(SetOperationStmt *setop);
#endif /* PREP_H */