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-rw-r--r--src/include/optimizer/paramassign.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/optimizer/paramassign.h b/src/include/optimizer/paramassign.h
index 501f728d714..4026b74fab4 100644
--- a/src/include/optimizer/paramassign.h
+++ b/src/include/optimizer/paramassign.h
@@ -20,6 +20,8 @@ extern Param *replace_outer_placeholdervar(PlannerInfo *root,
PlaceHolderVar *phv);
extern Param *replace_outer_agg(PlannerInfo *root, Aggref *agg);
extern Param *replace_outer_grouping(PlannerInfo *root, GroupingFunc *grp);
+extern Param *replace_outer_merge_support(PlannerInfo *root,
+ MergeSupportFunc *msf);
extern Param *replace_nestloop_param_var(PlannerInfo *root, Var *var);
extern Param *replace_nestloop_param_placeholdervar(PlannerInfo *root,
PlaceHolderVar *phv);