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@ -7,7 +7,7 @@ |
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* |
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* |
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* IDENTIFICATION |
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.8 1997/06/03 13:56:32 thomas Exp $ |
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* $Header: /cvsroot/pgsql/src/backend/utils/adt/datetime.c,v 1.9 1997/06/23 14:47:26 thomas Exp $ |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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@ -53,23 +53,10 @@ static int day_tab[2][12] = { |
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/* date_in()
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* Given date text string, convert to internal date format. |
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*/ |
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#if USE_NEW_DATE |
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DateADT |
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date_in(char *str) |
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{ |
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DateADT date; |
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#else |
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int4 |
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date_in(char *str) |
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{ |
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int4 result; |
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DateADT *date = (DateADT *)&result; |
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#endif |
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double fsec; |
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struct tm tt, *tm = &tt; |
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int tzp; |
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@ -115,56 +102,23 @@ printf( "date_in- input string is %s\n", str); |
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elog(WARN, "date_in: day must be limited to values 1 through %d in '%s'", |
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day_tab[isleap(tm->tm_year)][tm->tm_mon-1], str); |
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#if USE_NEW_DATE |
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date = (date2j( tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(2000,1,1)); |
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return(date); |
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#else |
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date->day = tm->tm_mday; |
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date->month = tm->tm_mon; |
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date->year = tm->tm_year; |
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return(result); |
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#endif |
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} /* date_in() */ |
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/* date_out()
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* Given internal format date, convert to text string. |
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*/ |
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#if USE_NEW_DATE |
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char * |
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date_out(DateADT date) |
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{ |
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#else |
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char * |
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date_out(int4 dateVal) |
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{ |
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DateADT *date = (DateADT *)&dateVal; |
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#endif |
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char *result; |
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char buf[MAXDATELEN+1]; |
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int year, month, day; |
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#if USE_NEW_DATE |
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j2date( (date + date2j(2000,1,1)), &year, &month, &day); |
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#else |
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day = date->day; |
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month = date->month; |
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year = date->year; |
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#endif |
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if (EuroDates == 1) /* Output European-format dates */ |
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sprintf(buf, "%02d-%02d-%04d", day, month, year); |
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else |
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@ -177,8 +131,6 @@ date_out(int4 dateVal) |
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return(result); |
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} /* date_out() */ |
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#if USE_NEW_DATE |
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int date2tm(DateADT dateVal, int *tzp, struct tm *tm, double *fsec, char **tzn); |
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bool |
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@ -354,7 +306,7 @@ abstime_date(AbsoluteTime abstime) |
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break; |
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default: |
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abstime2tm(abstime, &tz, tm); |
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abstime2tm(abstime, &tz, tm, NULL); |
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result = date2j(tm->tm_year,tm->tm_mon,tm->tm_mday) - date2j(2000,1,1); |
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break; |
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}; |
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@ -447,290 +399,6 @@ printf( "date2tm- convert %d-%d-%d %d:%d%d to datetime\n", |
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return 0; |
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} /* date2tm() */ |
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#else |
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bool |
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date_eq(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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return (date1->day==date2->day &&
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date1->month==date2->month && |
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date1->year==date2->year); |
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} |
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bool |
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date_ne(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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return (date1->day!=date2->day || date1->month!=date2->month || |
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date1->year!=date2->year); |
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} |
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bool |
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date_lt(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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if (date1->year!=date2->year) |
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return (date1->year<date2->year); |
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if (date1->month!=date2->month) |
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return (date1->month<date2->month); |
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return (date1->day<date2->day); |
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} |
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bool |
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date_le(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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if (date1->year!=date2->year) |
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return (date1->year<=date2->year); |
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if (date1->month!=date2->month) |
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return (date1->month<=date2->month); |
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return (date1->day<=date2->day); |
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} |
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bool |
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date_gt(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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if (date1->year!=date2->year) |
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return (date1->year>date2->year); |
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if (date1->month!=date2->month) |
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return (date1->month>date2->month); |
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return (date1->day>date2->day); |
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} |
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bool |
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date_ge(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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if (date1->year!=date2->year) |
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return (date1->year>=date2->year); |
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if (date1->month!=date2->month) |
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return (date1->month>=date2->month); |
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return (date1->day>=date2->day); |
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} |
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int |
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date_cmp(int4 dateVal1, int4 dateVal2) |
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{ |
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int4 dateStore1 = dateVal1; |
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int4 dateStore2 = dateVal2; |
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DateADT *date1, *date2; |
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date1 = (DateADT*)&dateStore1; |
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date2 = (DateADT*)&dateStore2; |
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if (date1->year!=date2->year) |
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return ((date1->year<date2->year) ? -1 : 1); |
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if (date1->month!=date2->month) |
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return ((date1->month<date2->month) ? -1 : 1); |
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if (date1->day!=date2->day) |
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return ((date1->day<date2->day) ? -1 : 1); |
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return 0; |
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} |
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int4 |
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date_larger(int4 dateVal1, int4 dateVal2) |
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{ |
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return (date_gt (dateVal1, dateVal2) ? dateVal1 : dateVal2); |
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} |
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int4 |
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date_smaller(int4 dateVal1, int4 dateVal2) |
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{ |
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return (date_lt (dateVal1, dateVal2) ? dateVal1 : dateVal2); |
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} |
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/* Compute difference between two dates in days. */ |
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int32 |
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date_mi(int4 dateVal1, int4 dateVal2) |
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{ |
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DateADT *date1, *date2; |
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int days; |
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date1 = (DateADT *) &dateVal1; |
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date2 = (DateADT *) &dateVal2; |
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days = (date2j(date1->year, date1->month, date1->day) |
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- date2j(date2->year, date2->month, date2->day)); |
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return (days); |
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} |
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/* Add a number of days to a date, giving a new date.
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Must handle both positive and negative numbers of days. */ |
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int4 |
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date_pli(int4 dateVal, int32 days) |
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{ |
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DateADT *date1 = (DateADT *) &dateVal; |
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int date, year, month, day; |
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date = (date2j(date1->year, date1->month, date1->day) + days); |
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j2date( date, &year, &month, &day); |
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date1->year = year; |
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date1->month = month; |
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date1->day = day; |
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return (dateVal); |
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} /* date_pli() */ |
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/* Subtract a number of days from a date, giving a new date. */ |
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int4 |
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date_mii(int4 dateVal, int32 days) |
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{ |
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return (date_pli(dateVal, -days)); |
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} |
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DateTime * |
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date_datetime(int4 dateVal) |
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{ |
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DateTime *result; |
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DateADT *date = (DateADT *) &dateVal; |
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int tz; |
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double fsec; |
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char *tzn; |
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struct tm tt, *tm = &tt; |
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result = PALLOCTYPE(DateTime); |
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*result = (date2j(date->year, date->month, date->day) - date2j( 2000, 1, 1)); |
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*result *= 86400; |
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*result += (12*60*60); |
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datetime2tm( *result, &tz, tm, &fsec, &tzn); |
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tm->tm_hour = 0; |
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tm->tm_min = 0; |
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tm->tm_sec = 0; |
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tm2datetime( tm, fsec, &tz, result); |
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#ifdef DATEDEBUG |
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printf( "date_datetime- convert %04d-%02d-%02d to %f\n", |
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date->year, date->month, date->day, *result); |
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#endif |
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return(result); |
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} /* date_datetime() */ |
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int4 |
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datetime_date(DateTime *datetime) |
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{ |
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int4 result; |
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int tz; |
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double fsec; |
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char *tzn; |
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struct tm tt, *tm = &tt; |
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DateADT *date = (DateADT *) &result; |
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if (!PointerIsValid(datetime)) |
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elog(WARN,"Unable to convert null datetime to date",NULL); |
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if (DATETIME_NOT_FINITE(*datetime)) |
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elog(WARN,"Unable to convert datetime to date",NULL); |
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if (DATETIME_IS_EPOCH(*datetime)) { |
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datetime2tm( SetDateTime(*datetime), NULL, tm, &fsec, NULL); |
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} else if (DATETIME_IS_CURRENT(*datetime)) { |
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datetime2tm( SetDateTime(*datetime), &tz, tm, &fsec, &tzn); |
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} else { |
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if (datetime2tm( *datetime, &tz, tm, &fsec, &tzn) != 0) |
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elog(WARN,"Unable to convert datetime to date",NULL); |
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}; |
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date->year = tm->tm_year; |
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date->month = tm->tm_mon; |
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date->day = tm->tm_mday; |
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return(result); |
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} /* datetime_date() */ |
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int4 |
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abstime_date(AbsoluteTime abstime) |
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{ |
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int4 result; |
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DateADT *date = (DateADT *) &result; |
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int tz; |
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struct tm tt, *tm = &tt; |
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switch (abstime) { |
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case INVALID_ABSTIME: |
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case NOSTART_ABSTIME: |
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case NOEND_ABSTIME: |
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elog(WARN,"Unable to convert reserved abstime value to date",NULL); |
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break; |
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case EPOCH_ABSTIME: |
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|
date->year = 1970; |
|
|
|
|
date->month = 1; |
|
|
|
|
date->day = 1; |
|
|
|
|
break; |
|
|
|
|
|
|
|
|
|
case CURRENT_ABSTIME: |
|
|
|
|
abstime = GetCurrentTransactionStartTime(); |
|
|
|
|
abstime2tm(abstime, &tz, tm); |
|
|
|
|
date->year = tm->tm_year; |
|
|
|
|
date->month = tm->tm_mon; |
|
|
|
|
date->day = tm->tm_mday; |
|
|
|
|
break; |
|
|
|
|
|
|
|
|
|
default: |
|
|
|
|
#if FALSE |
|
|
|
|
tm = localtime((time_t *) &abstime); |
|
|
|
|
tm->tm_year += 1900; |
|
|
|
|
tm->tm_mon += 1; |
|
|
|
|
#endif |
|
|
|
|
abstime2tm(abstime, &tz, tm); |
|
|
|
|
date->year = tm->tm_year; |
|
|
|
|
date->month = tm->tm_mon; |
|
|
|
|
date->day = tm->tm_mday; |
|
|
|
|
break; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
return(result); |
|
|
|
|
} /* abstime_date() */ |
|
|
|
|
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*****************************************************************************
|
|
|
|
|
* Time ADT |
|
|
|
@ -767,18 +435,8 @@ time_in(char *str) |
|
|
|
|
|
|
|
|
|
time = PALLOCTYPE(TimeADT); |
|
|
|
|
|
|
|
|
|
#if USE_NEW_TIME |
|
|
|
|
|
|
|
|
|
*time = ((((tm->tm_hour*60)+tm->tm_min)*60)+tm->tm_sec+fsec); |
|
|
|
|
|
|
|
|
|
#else |
|
|
|
|
|
|
|
|
|
time->hr = tm->tm_hour; |
|
|
|
|
time->min = tm->tm_min; |
|
|
|
|
time->sec = (tm->tm_sec + fsec); |
|
|
|
|
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
return(time); |
|
|
|
|
} /* time_in() */ |
|
|
|
|
|
|
|
|
@ -787,17 +445,13 @@ char * |
|
|
|
|
time_out(TimeADT *time) |
|
|
|
|
{ |
|
|
|
|
char *result; |
|
|
|
|
#if USE_NEW_TIME |
|
|
|
|
int hour, min, sec; |
|
|
|
|
double fsec; |
|
|
|
|
#endif |
|
|
|
|
char buf[32]; |
|
|
|
|
|
|
|
|
|
if (!PointerIsValid(time)) |
|
|
|
|
return NULL; |
|
|
|
|
|
|
|
|
|
#if USE_NEW_TIME |
|
|
|
|
|
|
|
|
|
hour = (*time / (60*60)); |
|
|
|
|
min = (((int) (*time / 60)) % 60); |
|
|
|
|
sec = (((int) *time) % 60); |
|
|
|
@ -815,22 +469,6 @@ time_out(TimeADT *time) |
|
|
|
|
}; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
#else |
|
|
|
|
|
|
|
|
|
if (time->sec == 0.0) { |
|
|
|
|
sprintf(buf, "%02d:%02d", (int)time->hr, (int)time->min); |
|
|
|
|
} else { |
|
|
|
|
if (((int) time->sec) == time->sec) { |
|
|
|
|
sprintf(buf, "%02d:%02d:%02d", |
|
|
|
|
(int)time->hr, (int)time->min, (int)time->sec); |
|
|
|
|
} else { |
|
|
|
|
sprintf(buf, "%02d:%02d:%09.6f", |
|
|
|
|
(int)time->hr, (int)time->min, time->sec); |
|
|
|
|
}; |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
result = PALLOC(strlen(buf)+1); |
|
|
|
|
|
|
|
|
|
strcpy( result, buf); |
|
|
|
@ -839,8 +477,6 @@ time_out(TimeADT *time) |
|
|
|
|
} /* time_out() */ |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#if USE_NEW_TIME |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_eq(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
@ -922,101 +558,6 @@ datetime_datetime(DateADT date, TimeADT *time) |
|
|
|
|
return(result); |
|
|
|
|
} /* datetime_datetime() */ |
|
|
|
|
|
|
|
|
|
#else |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_eq(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
return (time1->sec==time2->sec && time1->min==time2->min && |
|
|
|
|
time1->hr==time2->hr); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_ne(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
return (time1->sec!=time2->sec || time1->min!=time2->min || |
|
|
|
|
time1->hr!=time2->hr); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_lt(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
if (time1->hr!=time2->hr) |
|
|
|
|
return (time1->hr<time2->hr); |
|
|
|
|
if (time1->min!=time2->min) |
|
|
|
|
return (time1->min<time2->min); |
|
|
|
|
return (time1->sec<time2->sec); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_le(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
if (time1->hr!=time2->hr) |
|
|
|
|
return (time1->hr<=time2->hr); |
|
|
|
|
if (time1->min!=time2->min) |
|
|
|
|
return (time1->min<=time2->min); |
|
|
|
|
return (time1->sec<=time2->sec); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_gt(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
if (time1->hr!=time2->hr) |
|
|
|
|
return (time1->hr>time2->hr); |
|
|
|
|
if (time1->min!=time2->min) |
|
|
|
|
return (time1->min>time2->min); |
|
|
|
|
return (time1->sec>time2->sec); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
bool |
|
|
|
|
time_ge(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
if (time1->hr!=time2->hr) |
|
|
|
|
return (time1->hr>=time2->hr); |
|
|
|
|
if (time1->min!=time2->min) |
|
|
|
|
return (time1->min>=time2->min); |
|
|
|
|
return (time1->sec>=time2->sec); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
int |
|
|
|
|
time_cmp(TimeADT *time1, TimeADT *time2) |
|
|
|
|
{ |
|
|
|
|
if (time1->hr!=time2->hr) |
|
|
|
|
return ((time1->hr<time2->hr) ? -1 : 1); |
|
|
|
|
if (time1->min!=time2->min) |
|
|
|
|
return ((time1->min<time2->min) ? -1 : 1); |
|
|
|
|
if (time1->sec!=time2->sec) |
|
|
|
|
return ((time1->sec<time2->sec) ? -1 : 1); |
|
|
|
|
return 0; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
DateTime * |
|
|
|
|
datetime_datetime(int4 dateVal, TimeADT *time) |
|
|
|
|
{ |
|
|
|
|
DateTime *result; |
|
|
|
|
#ifdef DATEDEBUG |
|
|
|
|
DateADT *date = (DateADT *) &dateVal; |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
if (!PointerIsValid(time)) { |
|
|
|
|
result = PALLOCTYPE(DateTime); |
|
|
|
|
DATETIME_INVALID(*result); |
|
|
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
|
|
#ifdef DATEDEBUG |
|
|
|
|
printf( "datetime_datetime- convert %04d-%02d-%02d %02d:%02d:%05.2f\n", |
|
|
|
|
date->year, date->month, date->day, time->hr, time->min, time->sec); |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
result = date_datetime(dateVal); |
|
|
|
|
*result += (((time->hr*60)+time->min)*60+time->sec); |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
return(result); |
|
|
|
|
} /* datetime_datetime() */ |
|
|
|
|
|
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
int32 /* RelativeTime */ |
|
|
|
|
int42reltime(int32 timevalue) |
|
|
|
|