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Commita536b2d

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committed
Add time/date macros for code clarity:
#define DAYS_PER_YEAR 365.25#define MONTHS_PER_YEAR 12#define DAYS_PER_MONTH 30#define HOURS_PER_DAY 24
1 parentdc73819 commita536b2d

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17 files changed

+248
-229
lines changed

17 files changed

+248
-229
lines changed

‎src/backend/commands/variable.c

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@
99
*
1010
*
1111
* IDENTIFICATION
12-
* $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.110 2005/07/20 16:42:30 momjian Exp $
12+
* $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.111 2005/07/21 03:56:10 momjian Exp $
1313
*
1414
*-------------------------------------------------------------------------
1515
*/
@@ -325,7 +325,7 @@ assign_timezone(const char *value, bool doit, GucSource source)
325325
if (doit)
326326
{
327327
/* Here we change from SQL to Unix sign convention */
328-
CTimeZone=-hours*3600;
328+
CTimeZone=-hours*SECS_PER_HOUR;
329329
HasCTZSet= true;
330330
}
331331
}
@@ -402,7 +402,7 @@ assign_timezone(const char *value, bool doit, GucSource source)
402402
if (!result)
403403
returnNULL;
404404
snprintf(result,64,"%.5f",
405-
(double) (-CTimeZone) /3600.0);
405+
(double) (-CTimeZone) /(double)SECS_PER_HOUR);
406406
}
407407
else
408408
result=strdup(value);

‎src/backend/postmaster/postmaster.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -37,7 +37,7 @@
3737
*
3838
*
3939
* IDENTIFICATION
40-
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.459 2005/07/14 05:13:40 tgl Exp $
40+
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.460 2005/07/21 03:56:11 momjian Exp $
4141
*
4242
* NOTES
4343
*
@@ -1284,7 +1284,7 @@ ServerLoop(void)
12841284
* less than an hour ...
12851285
*/
12861286
now=time(NULL);
1287-
if (now-last_touch_time >=58*60)
1287+
if (now-last_touch_time >=58*SECS_PER_MINUTE)
12881288
{
12891289
TouchSocketFile();
12901290
TouchSocketLockFile();

‎src/backend/postmaster/syslogger.c

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -18,7 +18,7 @@
1818
*
1919
*
2020
* IDENTIFICATION
21-
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.16 2005/07/04 04:51:47 tgl Exp $
21+
* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.17 2005/07/21 03:56:11 momjian Exp $
2222
*
2323
*-------------------------------------------------------------------------
2424
*/
@@ -41,7 +41,7 @@
4141
#include"storage/pg_shmem.h"
4242
#include"utils/guc.h"
4343
#include"utils/ps_status.h"
44-
44+
#include"utils/timestamp.h"
4545

4646
/*
4747
* We really want line-buffered mode for logfile output, but Windows does
@@ -60,7 +60,7 @@
6060
* start, but the rest can change at SIGHUP.
6161
*/
6262
boolRedirect_stderr= false;
63-
intLog_RotationAge=24*60;
63+
intLog_RotationAge=HOURS_PER_DAY*SECS_PER_MINUTE;
6464
intLog_RotationSize=10*1024;
6565
char*Log_directory=NULL;
6666
char*Log_filename=NULL;
@@ -855,7 +855,7 @@ set_next_rotation_time(void)
855855
* fairly loosely. In this version we align to local time rather than
856856
* GMT.
857857
*/
858-
rotinterval=Log_RotationAge*60;/* convert to seconds */
858+
rotinterval=Log_RotationAge*SECS_PER_MINUTE;/* convert to seconds */
859859
now=time(NULL);
860860
tm=pg_localtime(&now,global_timezone);
861861
now+=tm->tm_gmtoff;

‎src/backend/tcop/postgres.c

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.454 2005/07/14 05:13:41 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.455 2005/07/21 03:56:11 momjian Exp $
1212
*
1313
* NOTES
1414
* this is the "main" module of the postgres backend and
@@ -3536,10 +3536,10 @@ log_disconnections(int code, Datum arg)
35363536
end.tv_sec-=port->session_start.tv_sec;
35373537
end.tv_usec-=port->session_start.tv_usec;
35383538

3539-
hours=end.tv_sec /3600;
3540-
end.tv_sec %=3600;
3541-
minutes=end.tv_sec /60;
3542-
seconds=end.tv_sec %60;
3539+
hours=end.tv_sec /SECS_PER_HOUR;
3540+
end.tv_sec %=SECS_PER_HOUR;
3541+
minutes=end.tv_sec /SECS_PER_MINUTE;
3542+
seconds=end.tv_sec %SECS_PER_MINUTE;
35433543

35443544
/* if time has gone backwards for some reason say so, or print time */
35453545

‎src/backend/utils/adt/date.c

Lines changed: 17 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/utils/adt/date.c,v 1.113 2005/07/20 16:42:30 momjian Exp $
11+
* $PostgreSQL: pgsql/src/backend/utils/adt/date.c,v 1.114 2005/07/21 03:56:13 momjian Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -31,7 +31,7 @@
3131

3232
/*
3333
* gcc's -ffast-math switch breaks routines that expect exact results from
34-
* expressions like timeval /3600, where timeval is double.
34+
* expressions like timeval /SECS_PER_HOUR, where timeval is double.
3535
*/
3636
#ifdef__FAST_MATH__
3737
#error -ffast-math is known to break this code
@@ -918,10 +918,10 @@ static int
918918
tm2time(structpg_tm*tm,fsec_tfsec,TimeADT*result)
919919
{
920920
#ifdefHAVE_INT64_TIMESTAMP
921-
*result= ((((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec)
921+
*result= ((((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec)
922922
*USECS_PER_SEC)+fsec;
923923
#else
924-
*result= ((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec+fsec;
924+
*result= ((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec+fsec;
925925
#endif
926926
return0;
927927
}
@@ -946,8 +946,8 @@ time2tm(TimeADT time, struct pg_tm * tm, fsec_t *fsec)
946946
doubletrem;
947947

948948
trem=time;
949-
TMODULO(trem,tm->tm_hour,3600.0);
950-
TMODULO(trem,tm->tm_min,60.0);
949+
TMODULO(trem,tm->tm_hour,(double)SECS_PER_HOUR);
950+
TMODULO(trem,tm->tm_min,(double)SECS_PER_MINUTE);
951951
TMODULO(trem,tm->tm_sec,1.0);
952952
*fsec=trem;
953953
#endif
@@ -1348,10 +1348,10 @@ timestamp_time(PG_FUNCTION_ARGS)
13481348
* Could also do this with time = (timestamp / USECS_PER_DAY *
13491349
* USECS_PER_DAY) - timestamp;
13501350
*/
1351-
result= ((((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec)*
1351+
result= ((((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec)*
13521352
USECS_PER_SEC)+fsec;
13531353
#else
1354-
result= ((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec+fsec;
1354+
result= ((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec+fsec;
13551355
#endif
13561356

13571357
PG_RETURN_TIMEADT(result);
@@ -1385,10 +1385,10 @@ timestamptz_time(PG_FUNCTION_ARGS)
13851385
* Could also do this with time = (timestamp / USECS_PER_DAY *
13861386
* USECS_PER_DAY) - timestamp;
13871387
*/
1388-
result= ((((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec)*
1388+
result= ((((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec)*
13891389
USECS_PER_SEC)+fsec;
13901390
#else
1391-
result= ((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec+fsec;
1391+
result= ((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec+fsec;
13921392
#endif
13931393

13941394
PG_RETURN_TIMEADT(result);
@@ -1715,10 +1715,10 @@ static int
17151715
tm2timetz(structpg_tm*tm,fsec_tfsec,inttz,TimeTzADT*result)
17161716
{
17171717
#ifdefHAVE_INT64_TIMESTAMP
1718-
result->time= ((((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec)*
1718+
result->time= ((((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec)*
17191719
USECS_PER_SEC)+fsec;
17201720
#else
1721-
result->time= ((tm->tm_hour*60+tm->tm_min)*60)+tm->tm_sec+fsec;
1721+
result->time= ((tm->tm_hour*SECS_PER_MINUTE+tm->tm_min)*SECS_PER_MINUTE)+tm->tm_sec+fsec;
17221722
#endif
17231723
result->zone=tz;
17241724

@@ -1843,8 +1843,8 @@ timetz2tm(TimeTzADT *time, struct pg_tm * tm, fsec_t *fsec, int *tzp)
18431843
#else
18441844
doubletrem=time->time;
18451845

1846-
TMODULO(trem,tm->tm_hour,3600.0);
1847-
TMODULO(trem,tm->tm_min,60.0);
1846+
TMODULO(trem,tm->tm_hour,(double)SECS_PER_HOUR);
1847+
TMODULO(trem,tm->tm_min,(double)SECS_PER_MINUTE);
18481848
TMODULO(trem,tm->tm_sec,1.0);
18491849
*fsec=trem;
18501850
#endif
@@ -2399,13 +2399,13 @@ timetz_part(PG_FUNCTION_ARGS)
23992399

24002400
caseDTK_TZ_MINUTE:
24012401
result=-tz;
2402-
result /=60;
2403-
FMODULO(result,dummy,60.0);
2402+
result /=SECS_PER_MINUTE;
2403+
FMODULO(result,dummy,(double)SECS_PER_MINUTE);
24042404
break;
24052405

24062406
caseDTK_TZ_HOUR:
24072407
dummy=-tz;
2408-
FMODULO(dummy,result,3600.0);
2408+
FMODULO(dummy,result,(double)SECS_PER_HOUR);
24092409
break;
24102410

24112411
caseDTK_MICROSEC:

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