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Move timeofday() implementation out of nabstime.c.

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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
This commit is contained in:
Andres Freund
2018-10-11 11:30:59 -07:00
parent e9edc1ba0b
commit 86896be60e
2 changed files with 20 additions and 29 deletions
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20
src/backend/utils/adt/timestamp.c
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@ -1609,6 +1609,26 @@ GetSQLLocalTimestamp(int32 typmod)
return ts;
}
/*
* 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