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Add 'day' field to INTERVAL so 1 day interval can be distinguished from

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24 hours. This is very helpful for daylight savings time:

	select '2005-05-03 00:00:00 EST'::timestamp with time zone + '24 hours';
	      ?column?
	----------------------
	2005-05-04 01:00:00-04

	select '2005-05-03 00:00:00 EST'::timestamp with time zone + '1 day';
	      ?column?
	----------------------
	2005-05-04 01:00:00-04

Michael Glaesemann
This commit is contained in:
Bruce Momjian
2005-07-20 16:42:32 +00:00
parent 826604f9e6
commit db05f4a7eb
12 changed files with 286 additions and 181 deletions
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6
src/backend/utils/adt/formatting.c
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
* formatting.c
*
* $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.90 2005/06/24 01:10:11 neilc Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.91 2005/07/20 16:42:30 momjian Exp $
*
*
* Portions Copyright (c) 1999-2005, PostgreSQL Global Development Group
@ -899,7 +899,7 @@ static char *str_tolower(char *buff);
/* static int is_acdc(char *str, int *len); */
static int seq_search(char *name, char **array, int type, int max, int *len);
static void do_to_timestamp(text *date_txt, text *fmt,
struct pg_tm * tm, fsec_t *fsec);
struct pg_tm *tm, fsec_t *fsec);
static char *fill_str(char *str, int c, int max);
static FormatNode *NUM_cache(int len, NUMDesc *Num, char *pars_str, bool *shouldFree);
static char *int_to_roman(int number);
@ -3028,7 +3028,7 @@ to_date(PG_FUNCTION_ARGS)
*/
static void
do_to_timestamp(text *date_txt, text *fmt,
struct pg_tm * tm, fsec_t *fsec)
struct pg_tm *tm, fsec_t *fsec)
{
FormatNode *format;
TmFromChar tmfc;