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Supress convertion of zero hours to '12' for intervals when using 

to_char with HH, e.g.

	to_char(interval '0d 0h 12m 44s', 'DD HH24 MI SS');

now returns:

	 00 00 12 44

not:

	 00 12 12 44
This commit is contained in:
Bruce Momjian 2010-02-23 01:42:19 +00:00
parent 485b19ec3c
commit 7cdadc62ea
1 changed files with 3 additions and 3 deletions
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6
src/backend/utils/adt/formatting.c
View File

@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
* formatting.c
*
* $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.163 2010/02/16 21:18:01 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.164 2010/02/23 01:42:19 momjian Exp $
*
*
* Portions Copyright (c) 1999-2010, PostgreSQL Global Development Group
@ -2089,8 +2089,8 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out)
case DCH_HH:
case DCH_HH12:
sprintf(s, "%0*d", S_FM(n->suffix) ? 0 : 2,
tm->tm_hour % (HOURS_PER_DAY / 2) == 0 ? 12 :
tm->tm_hour % (HOURS_PER_DAY / 2));
!is_interval && tm->tm_hour % (HOURS_PER_DAY / 2) == 0 ?
12 : tm->tm_hour % (HOURS_PER_DAY / 2));
if (S_THth(n->suffix))
str_numth(s, s, S_TH_TYPE(n->suffix));
s += strlen(s);