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-rw-r--r--src/include/optimizer/optimizer.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/optimizer/optimizer.h b/src/include/optimizer/optimizer.h
index 7b63c5cf718..93e3dc719da 100644
--- a/src/include/optimizer/optimizer.h
+++ b/src/include/optimizer/optimizer.h
@@ -201,5 +201,6 @@ extern bool contain_vars_of_level(Node *node, int levelsup);
extern int locate_var_of_level(Node *node, int levelsup);
extern List *pull_var_clause(Node *node, int flags);
extern Node *flatten_join_alias_vars(PlannerInfo *root, Query *query, Node *node);
+extern Node *flatten_group_exprs(PlannerInfo *root, Query *query, Node *node);
#endif /* OPTIMIZER_H */