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-rw-r--r--src/backend/access/brin/brin_bloom.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/access/brin/brin_bloom.c b/src/backend/access/brin/brin_bloom.c
index 23de868..c0407e5 100644
--- a/src/backend/access/brin/brin_bloom.c
+++ b/src/backend/access/brin/brin_bloom.c
@@ -660,6 +660,9 @@ brin_bloom_union(PG_FUNCTION_ARGS)
for (i = 0; i < nbytes; i++)
filter_a->data[i] |= filter_b->data[i];
+ /* update the number of bits set in the filter */
+ filter_a->nbits_set = pg_popcount((const char *) filter_a->data, nbytes);
+
PG_RETURN_VOID();
}