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-rw-r--r--src/include/nodes/bitmapset.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/nodes/bitmapset.h b/src/include/nodes/bitmapset.h
index 892410635b5..0c645628e55 100644
--- a/src/include/nodes/bitmapset.h
+++ b/src/include/nodes/bitmapset.h
@@ -87,6 +87,7 @@ extern Bitmapset *bms_difference(const Bitmapset *a, const Bitmapset *b);
extern bool bms_is_subset(const Bitmapset *a, const Bitmapset *b);
extern BMS_Comparison bms_subset_compare(const Bitmapset *a, const Bitmapset *b);
extern bool bms_is_member(int x, const Bitmapset *a);
+extern int bms_member_index(Bitmapset *a, int x);
extern bool bms_overlap(const Bitmapset *a, const Bitmapset *b);
extern bool bms_overlap_list(const Bitmapset *a, const struct List *b);
extern bool bms_nonempty_difference(const Bitmapset *a, const Bitmapset *b);