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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
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
src/backend/utils/adt/nabstime.c
View File

@ -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));
}

20
src/backend/utils/adt/timestamp.c
View File

@ -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