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-rw-r--r--src/backend/access/gin/ginvalidate.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/access/gin/ginvalidate.c b/src/backend/access/gin/ginvalidate.c
index b87833bd5a1..87177fc96bc 100644
--- a/src/backend/access/gin/ginvalidate.c
+++ b/src/backend/access/gin/ginvalidate.c
@@ -234,7 +234,8 @@ ginvalidate(Oid opclassoid)
/* Check that the originally-named opclass is complete */
for (i = 1; i <= GINNProcs; i++)
{
- if (opclassgroup && (opclassgroup->functionset & (1 << i)) != 0)
+ if (opclassgroup &&
+ (opclassgroup->functionset & (((uint64) 1) << i)) != 0)
continue; /* got it */
if (i == GIN_COMPARE_PARTIAL_PROC)
continue; /* optional method */