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Modify EncodeDateTime() to suppress trailing ".00" in seconds field.
This matches the behavior of the original formatting for abstime. Repair datetime + timespan date arithmetic for year boundaries. From patch submitted by Dave Skinner.
This commit is contained in:
Thomas G. Lockhart
parent
d9bccec0d2
commit
01264e84ba
@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.25 1997/06/20 17:12:54 thomas Exp $
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.26 1997/06/23 14:50:56 thomas Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -693,7 +693,7 @@ printf( "datetime_add_span- add %f to %d %f\n", *datetime, span->month, span->ti
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#ifdef ROUND_ALL
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dt = JROUND(dt + span->time);
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#else
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dt = span->time;
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dt += span->time;
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#endif
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if (span->month != 0) {
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@ -702,12 +702,13 @@ printf( "datetime_add_span- add %f to %d %f\n", *datetime, span->month, span->ti
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if (datetime2tm( dt, &tz, tm, &fsec, &tzn) == 0) {
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#ifdef DATEDEBUG
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printf( "datetime_add_span- date was %d.%02d.%02d\n", tm->tm_year, tm->tm_mon, tm->tm_mday);
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printf( "datetime_add_span- date was %04d-%02d-%02d %02d:%02d:%02d\n",
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tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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#endif
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tm->tm_mon += span->month;
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if (tm->tm_mon > 12) {
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tm->tm_year += (tm->tm_mon / 12);
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tm->tm_mon = (tm->tm_mon % 12);
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tm->tm_year += ((tm->tm_mon-1) / 12);
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tm->tm_mon = (((tm->tm_mon-1) % 12) + 1);
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} else if (tm->tm_mon < 1) {
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tm->tm_year += ((tm->tm_mon / 12) - 1);
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tm->tm_mon = ((tm->tm_mon % 12) + 12);
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@ -721,15 +722,15 @@ printf( "datetime_add_span- date was %d.%02d.%02d\n", tm->tm_year, tm->tm_mon, t
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tm->tm_mday = mdays[ tm->tm_mon-1];
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};
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};
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#ifdef DATEDEBUG
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printf( "datetime_add_span- date becomes %d.%02d.%02d\n", tm->tm_year, tm->tm_mon, tm->tm_mday);
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printf( "datetime_add_span- date becomes %04d-%02d-%02d %02d:%02d:%02d\n",
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tm->tm_year, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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#endif
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if (tm2datetime( tm, fsec, &tz, &dt) != 0)
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elog(WARN,"Unable to add datetime and timespan",NULL);
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} else {
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DATETIME_INVALID(*result);
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DATETIME_INVALID(dt);
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};
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};
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@ -1312,7 +1313,11 @@ static datetkn datetktbl[] = {
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{ "eet", TZ, 12}, /* East. Europe, USSR Zone 1 */
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{ "eetdst", DTZ, 18}, /* Eastern Europe */
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{ EPOCH, RESERV, DTK_EPOCH}, /* "epoch" reserved for system epoch time */
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#if USE_AUSTRALIAN_RULES
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{ "est", TZ, 60}, /* Australia Eastern Std Time */
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#else
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{ "est", TZ, NEG(30)}, /* Eastern Standard Time */
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#endif
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{ "feb", MONTH, 2},
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{ "february", MONTH, 2},
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{ "fri", DOW, 5},
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@ -1410,6 +1415,7 @@ static datetkn datetktbl[] = {
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{ "zp4", TZ, NEG(24)}, /* GMT +4 hours. */
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{ "zp5", TZ, NEG(30)}, /* GMT +5 hours. */
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{ "zp6", TZ, NEG(36)}, /* GMT +6 hours. */
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{ "z", RESERV, DTK_ZULU}, /* 00:00:00 */
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{ ZULU, RESERV, DTK_ZULU}, /* 00:00:00 */
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};
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@ -1585,7 +1591,6 @@ datetime2tm( DateTime dt, int *tzp, struct tm *tm, double *fsec, char **tzn)
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struct tm *tx;
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#endif
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date0 = date2j(2000,1,1);
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time = dt;
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@ -1625,6 +1630,9 @@ printf( "datetime2tm- time is %02d:%02d:%02d %.7f\n", tm->tm_hour, tm->tm_min, t
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if (tzp != NULL) {
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if (IS_VALID_UTIME( tm->tm_year, tm->tm_mon, tm->tm_mday)) {
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utime = (dt + (date0-date2j(1970,1,1))*86400);
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#if FALSE
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if (utime < -1) utime++;
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#endif
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#ifdef USE_POSIX_TIME
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tx = localtime(&utime);
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@ -1645,7 +1653,16 @@ printf( "datetime2tm- (localtime) %d.%02d.%02d %02d:%02d:%02.0f %s dst=%d\n",
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tm->tm_mday = tx->tm_mday;
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tm->tm_hour = tx->tm_hour;
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tm->tm_min = tx->tm_min;
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#if FALSE
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/* XXX HACK
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* Argh! My Linux box puts in a 1 second offset for dates less than 1970
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* but only if the seconds field was non-zero. So, don't copy the seconds
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* field and instead carry forward from the original - tgl 97/06/18
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* Note that GNU/Linux uses the standard freeware zic package as do
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* many other platforms so this may not be GNU/Linux/ix86-specific.
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*/
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tm->tm_sec = tx->tm_sec;
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#endif
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tm->tm_isdst = tx->tm_isdst;
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#ifdef HAVE_INT_TIMEZONE
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@ -3071,13 +3088,20 @@ printf( "EncodeDateTime- day is %d\n", day);
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sprintf( (str+4), "%3s %02d", mabbrev, tm->tm_mday);
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};
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if (tm->tm_year > 0) {
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sprintf( (str+10), " %02d:%02d:%05.2f %04d",
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tm->tm_hour, tm->tm_min, sec, tm->tm_year);
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sprintf( (str+10), " %02d:%02d", tm->tm_hour, tm->tm_min);
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if (fsec != 0) {
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sprintf( (str+16), ":%05.2f %04d", sec, tm->tm_year);
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if ((*tzn != NULL) && (tm->tm_isdst >= 0)) {
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strcpy( (str+27), " ");
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strcpy( (str+28), *tzn);
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};
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} else {
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sprintf( (str+16), ":%02.0f %04d", sec, tm->tm_year);
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if ((*tzn != NULL) && (tm->tm_isdst >= 0)) {
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strcpy( (str+24), " ");
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strcpy( (str+25), *tzn);
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};
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};
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} else {
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sprintf( (str+10), " %02d:%02d %04d %s",
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@ -3107,43 +3131,59 @@ int EncodeTimeSpan(struct tm *tm, double fsec, int style, char *str)
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strcpy( str, "@");
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cp = str+strlen(str);
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if (tm->tm_year != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_year < 0);
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sprintf( cp, " %d year%s", abs(tm->tm_year), ((abs(tm->tm_year) != 1)? "s": ""));
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cp += strlen(cp);
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};
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if (tm->tm_mon != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_mon < 0);
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sprintf( cp, " %d mon%s", abs(tm->tm_mon), ((abs(tm->tm_mon) != 1)? "s": ""));
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cp += strlen(cp);
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};
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if (tm->tm_mday != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_mday < 0);
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sprintf( cp, " %d day%s", abs(tm->tm_mday), ((abs(tm->tm_mday) != 1)? "s": ""));
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cp += strlen(cp);
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};
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if (tm->tm_hour != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_hour < 0);
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sprintf( cp, " %d hour%s", abs(tm->tm_hour), ((abs(tm->tm_hour) != 1)? "s": ""));
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cp += strlen(cp);
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};
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if (tm->tm_min != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_min < 0);
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sprintf( cp, " %d min%s", abs(tm->tm_min), ((abs(tm->tm_min) != 1)? "s": ""));
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cp += strlen(cp);
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};
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if (tm->tm_sec != 0) {
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/* fractional seconds? */
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if (fsec != 0) {
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is_nonzero = TRUE;
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fsec += tm->tm_sec;
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is_before |= (fsec < 0);
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sprintf( cp, " %.2f secs", fabs(fsec));
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cp += strlen(cp);
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/* otherwise, integer seconds only? */
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} else if (tm->tm_sec != 0) {
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is_nonzero = TRUE;
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is_before |= (tm->tm_sec < 0);
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sprintf( cp, " %d sec%s", abs(tm->tm_sec), ((abs(tm->tm_sec) != 1)? "s": ""));
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cp += strlen(cp);
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};
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/* identically zero? then put in a unitless zero... */
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if (! is_nonzero) {
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strcat( cp, " 0");
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cp += strlen(cp);
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