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Patch of 2004-03-30 corrected date_part(timestamp) for extracting 

the year from a BC date, but failed to make the same fix in
date_part(timestamptz).
This commit is contained in:
Tom Lane 2004-11-20 22:12:44 +00:00
parent 19dacd4492
commit c584103f56
1 changed files with 6 additions and 2 deletions
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8
src/backend/utils/adt/timestamp.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.114 2004/11/01 22:00:30 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.115 2004/11/20 22:12:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -3534,7 +3534,11 @@ timestamptz_part(PG_FUNCTION_ARGS)
break;
case DTK_YEAR:
result = tm->tm_year;
if (tm->tm_year > 0)
result = tm->tm_year;
else
/* there is no year 0, just 1 BC and 1 AD */
result = tm->tm_year - 1;
break;
case DTK_DECADE: