Move timeofday() implementation out of nabstime.c.

nabstime.c is about to be removed, but timeofday() isn't related to
the rest of the functionality therein, and some find it useful. Move
to timestamp.c.

Discussion:
    https://postgr.es/m/20181009192237.34wjp3nmw7oynmmr@alap3.anarazel.de
    https://postgr.es/m/20180928223240.kgwc4czzzekrpsid%40alap3.anarazel.de

2 files changed, 20 insertions, 29 deletions

diff --git a/src/backend/utils/adt/nabstime.c b/src/backend/utils/adt/nabstime.c
index 6ecb41b98f5..2c8e7ad0551 100644
--- a/src/backend/utils/adt/nabstime.c
+++ b/src/backend/utils/adt/nabstime.c
@@ -1539,32 +1539,3 @@ bogus:
 					"tinterval", i_string)));
 	*i_start = *i_end = INVALID_ABSTIME;	/* keep compiler quiet */
 }
-
-
-/*****************************************************************************
- *
- *****************************************************************************/
-
-/*
- * timeofday -
- *	   returns the current time as a text. similar to timenow() but returns
- *	   seconds with more precision (up to microsecs). (I need this to compare
- *	   the Wisconsin benchmark with Illustra whose TimeNow() shows current
- *	   time with precision up to microsecs.)			  - ay 3/95
- */
-Datum
-timeofday(PG_FUNCTION_ARGS)
-{
-	struct timeval tp;
-	char		templ[128];
-	char		buf[128];
-	pg_time_t	tt;
-
-	gettimeofday(&tp, NULL);
-	tt = (pg_time_t) tp.tv_sec;
-	pg_strftime(templ, sizeof(templ), "%a %b %d %H:%M:%S.%%06d %Y %Z",
-				pg_localtime(&tt, session_timezone));
-	snprintf(buf, sizeof(buf), templ, tp.tv_usec);
-
-	PG_RETURN_TEXT_P(cstring_to_text(buf));
-}
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index 284e14dd739..ba15a29ddbd 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -1610,6 +1610,26 @@ GetSQLLocalTimestamp(int32 typmod)
 }
 
 /*
+ * timeofday(*) -- returns the current time as a text.
+ */
+Datum
+timeofday(PG_FUNCTION_ARGS)
+{
+	struct timeval tp;
+	char		templ[128];
+	char		buf[128];
+	pg_time_t	tt;
+
+	gettimeofday(&tp, NULL);
+	tt = (pg_time_t) tp.tv_sec;
+	pg_strftime(templ, sizeof(templ), "%a %b %d %H:%M:%S.%%06d %Y %Z",
+				pg_localtime(&tt, session_timezone));
+	snprintf(buf, sizeof(buf), templ, tp.tv_usec);
+
+	PG_RETURN_TEXT_P(cstring_to_text(buf));
+}
+
+/*
  * TimestampDifference -- convert the difference between two timestamps
  *		into integer seconds and microseconds
  *