1 files changed, 18 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_utils_num.h b/contrib/btree_gist/btree_utils_num.h
index 8f140953f5c..94d4bf74374 100644
--- a/contrib/btree_gist/btree_utils_num.h
+++ b/contrib/btree_gist/btree_utils_num.h
@@ -63,6 +63,24 @@ typedef struct
 } while (0);
 
 
+/*
+ * Convert an Interval to an approximate equivalent number of seconds
+ * (as a double).  Here because we need it for time/timetz as well as
+ * interval.  See interval_cmp_internal for comparison.
+ */
+#ifdef HAVE_INT64_TIMESTAMP
+#define INTERVAL_TO_SEC(ivp) \
+	(((double) (ivp)->time) / ((double) USECS_PER_SEC) + \
+	 (ivp)->day * (24.0 * SECS_PER_HOUR) + \
+	 (ivp)->month * (30.0 * SECS_PER_DAY))
+#else
+#define INTERVAL_TO_SEC(ivp) \
+	((ivp)->time + \
+	 (ivp)->day * (24.0 * SECS_PER_HOUR) + \
+	 (ivp)->month * (30.0 * SECS_PER_DAY))
+#endif
+
+
 extern bool gbt_num_consistent(const GBT_NUMKEY_R * key, const void *query,
 				   const StrategyNumber *strategy, bool is_leaf,
 				   const gbtree_ninfo * tinfo);