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-rw-r--r--src/include/optimizer/tlist.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/optimizer/tlist.h b/src/include/optimizer/tlist.h
index f7606d79a38..7af59589dcb 100644
--- a/src/include/optimizer/tlist.h
+++ b/src/include/optimizer/tlist.h
@@ -25,6 +25,7 @@ extern List *add_to_flat_tlist(List *tlist, List *exprs);
extern List *get_tlist_exprs(List *tlist, bool includeJunk);
extern bool tlist_same_datatypes(List *tlist, List *colTypes, bool junkOK);
+extern bool tlist_same_collations(List *tlist, List *colCollations, bool junkOK);
extern TargetEntry *get_sortgroupref_tle(Index sortref,
List *targetList);