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Add time/date macros for code clarity:

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#define DAYS_PER_YEAR   365.25
	#define MONTHS_PER_YEAR 12
	#define DAYS_PER_MONTH  30
	#define HOURS_PER_DAY   24
This commit is contained in:
Bruce Momjian
2005-07-21 03:56:25 +00:00
parent dc73819f2e
commit a536b2dd80
17 changed files with 248 additions and 229 deletions
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11
src/include/utils/timestamp.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/timestamp.h,v 1.47 2005/07/20 16:42:32 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/timestamp.h,v 1.48 2005/07/21 03:56:24 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -60,8 +60,17 @@ typedef struct
#define MAX_TIMESTAMP_PRECISION 6
#define MAX_INTERVAL_PRECISION 6
/* in both timestamp.h and ecpg/dt.h */
#define DAYS_PER_YEAR 365.25
#define MONTHS_PER_YEAR 12
/* average days per month */
#define DAYS_PER_MONTH 30
#define HOURS_PER_DAY 24
#define SECS_PER_DAY 86400
#define SECS_PER_HOUR 3600
#define SECS_PER_MINUTE 60
#ifdef HAVE_INT64_TIMESTAMP
#define USECS_PER_DAY INT64CONST(86400000000)
#define USECS_PER_HOUR INT64CONST(3600000000)