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-rw-r--r--src/backend/access/brin/brin_minmax_multi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/brin/brin_minmax_multi.c b/src/backend/access/brin/brin_minmax_multi.c
index 0713fd6588a..760f90d71c7 100644
--- a/src/backend/access/brin/brin_minmax_multi.c
+++ b/src/backend/access/brin/brin_minmax_multi.c
@@ -2138,7 +2138,7 @@ brin_minmax_multi_distance_timestamp(PG_FUNCTION_ARGS)
if (TIMESTAMP_NOT_FINITE(dt1) || TIMESTAMP_NOT_FINITE(dt2))
PG_RETURN_FLOAT8(0);
- delta = dt2 - dt1;
+ delta = (float8) dt2 - (float8) dt1;
Assert(delta >= 0);