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-rw-r--r--src/include/utils/timestamp.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/utils/timestamp.h b/src/include/utils/timestamp.h
index 42f802bb9dc..edd59dc4322 100644
--- a/src/include/utils/timestamp.h
+++ b/src/include/utils/timestamp.h
@@ -81,7 +81,9 @@ IntervalPGetDatum(const Interval *X)
#define INTERVAL_PRECISION(t) ((t) & INTERVAL_PRECISION_MASK)
#define INTERVAL_RANGE(t) (((t) >> 16) & INTERVAL_RANGE_MASK)
+/* Macros for doing timestamp arithmetic without assuming timestamp's units */
#define TimestampTzPlusMilliseconds(tz,ms) ((tz) + ((ms) * (int64) 1000))
+#define TimestampTzPlusSeconds(tz,s) ((tz) + ((s) * (int64) 1000000))
/* Set at postmaster start */