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Add support for input and output of interval values formatted per ISO 8601;

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specifically, we can input either the "format with designators" or the
"alternative format", and we can output the former when IntervalStyle is set
to iso_8601.

Ron Mayer
This commit is contained in:
Tom Lane
2008-11-11 02:42:33 +00:00
parent a44564b4f8
commit a4917bef0e
11 changed files with 605 additions and 34 deletions
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10
src/include/miscadmin.h
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@ -13,7 +13,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.204 2008/11/09 00:28:35 tgl Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.205 2008/11/11 02:42:32 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to other files.
@ -197,10 +197,12 @@ extern int DateOrder;
* INTSTYLE_POSTGRES Like Postgres < 8.4 when DateStyle = 'iso'
* INTSTYLE_POSTGRES_VERBOSE Like Postgres < 8.4 when DateStyle != 'iso'
* INTSTYLE_SQL_STANDARD SQL standard interval literals
* INTSTYLE_ISO_8601 ISO-8601-basic formatted intervals
*/
#define INTSTYLE_POSTGRES 0
#define INTSTYLE_POSTGRES_VERBOSE 1
#define INTSTYLE_SQL_STANDARD 2
#define INTSTYLE_POSTGRES 0
#define INTSTYLE_POSTGRES_VERBOSE 1
#define INTSTYLE_SQL_STANDARD 2
#define INTSTYLE_ISO_8601 3
extern int IntervalStyle;