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Commitf029932

Browse files
author
Michael Meskes
committed
Added PGTYPEStimestamp_add_interval written by Dave Cramer.
Fixed parsing of defines to make sure they used more than once.
1 parentf8ffb60 commitf029932

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4 files changed

+92
-6
lines changed

4 files changed

+92
-6
lines changed

‎src/interfaces/ecpg/pgtypeslib/dt.h‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -305,5 +305,6 @@ extern char *pgtypes_date_weekdays_short[];
305305
externchar*pgtypes_date_months[];
306306
externchar*months[];
307307
externchar*days[];
308+
externintday_tab[2][13];
308309

309310
#endif/* DT_H */

‎src/interfaces/ecpg/pgtypeslib/dt_common.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
#include"dt.h"
99
#include"pgtypes_timestamp.h"
1010

11-
staticintday_tab[2][13]= {
11+
intday_tab[2][13]= {
1212
{31,28,31,30,31,30,31,31,30,31,30,31,0},
1313
{31,29,31,30,31,30,31,31,30,31,30,31,0}};
1414

‎src/interfaces/ecpg/pgtypeslib/timestamp.c‎

Lines changed: 85 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,7 @@
1212
#include"pgtypes_timestamp.h"
1313
#include"pgtypes_date.h"
1414

15+
1516
intPGTYPEStimestamp_defmt_scan(char**,char*,timestamp*,int*,int*,int*,
1617
int*,int*,int*,int*);
1718

@@ -844,3 +845,87 @@ PGTYPEStimestamp_defmt_asc(char *str, char *fmt, timestamp *d)
844845
free(mfmt);
845846
returni;
846847
}
848+
849+
/*
850+
* add an interval to a time stamp
851+
*
852+
* *tout = tin + span
853+
*
854+
* returns 0 if successful
855+
* returns -1 if it fails
856+
*
857+
*/
858+
859+
int
860+
PGTYPEStimestamp_add_interval(timestamp*tin,interval*span,timestamp*tout)
861+
{
862+
863+
864+
if (TIMESTAMP_NOT_FINITE(*tin))
865+
*tout=*tin;
866+
867+
868+
else
869+
{
870+
if (span->month!=0)
871+
{
872+
structtmtt,
873+
*tm=&tt;
874+
fsec_tfsec;
875+
876+
877+
if (timestamp2tm(*tin,NULL,tm,&fsec,NULL)!=0)
878+
return-1;
879+
tm->tm_mon+=span->month;
880+
if (tm->tm_mon>12)
881+
{
882+
tm->tm_year+= ((tm->tm_mon-1) /12);
883+
tm->tm_mon= (((tm->tm_mon-1) %12)+1);
884+
}
885+
elseif (tm->tm_mon<1)
886+
{
887+
tm->tm_year+= ((tm->tm_mon /12)-1);
888+
tm->tm_mon= ((tm->tm_mon %12)+12);
889+
}
890+
891+
892+
/* adjust for end of month boundary problems... */
893+
if (tm->tm_mday>day_tab[isleap(tm->tm_year)][tm->tm_mon-1])
894+
tm->tm_mday= (day_tab[isleap(tm->tm_year)][tm->tm_mon-1]);
895+
896+
897+
if (tm2timestamp(tm,fsec,NULL,tin)!=0)
898+
return-1;
899+
}
900+
901+
902+
*tin+=span->time;
903+
*tout=*tin;
904+
}
905+
return0;
906+
907+
}
908+
909+
910+
/*
911+
* subtract an interval from a time stamp
912+
*
913+
* *tout = tin - span
914+
*
915+
* returns 0 if successful
916+
* returns -1 if it fails
917+
*
918+
*/
919+
920+
int
921+
PGTYPEStimestamp_sub_interval(timestamp*tin,interval*span,timestamp*tout)
922+
{
923+
intervaltspan;
924+
925+
tspan.month=-span->month;
926+
tspan.time=-span->time;
927+
928+
929+
returnPGTYPEStimestamp_add_interval(tin,&tspan,tout );
930+
}
931+

‎src/interfaces/ecpg/preproc/pgc.l‎

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -12,7 +12,7 @@
1212
*
1313
*
1414
* IDENTIFICATION
15-
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.132 2004/08/29 04:13:11 momjian Exp $
15+
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.133 2004/12/23 10:46:10 meskes Exp $
1616
*
1717
*-------------------------------------------------------------------------
1818
*/
@@ -611,9 +611,9 @@ cppline{space}*#(.*\\{space})+.*
611611
yb->buffer = YY_CURRENT_BUFFER;
612612
yb->lineno = yylineno;
613613
yb->filename =mm_strdup(input_filename);
614-
ptr->used =yb->next = yy_buffer;
614+
yb->next = yy_buffer;
615615

616-
yy_buffer = yb;
616+
ptr->used =yy_buffer = yb;
617617

618618
yy_scan_string(ptr->new);
619619
break;
@@ -712,9 +712,9 @@ cppline{space}*#(.*\\{space})+.*
712712
yb->buffer = YY_CURRENT_BUFFER;
713713
yb->lineno = yylineno;
714714
yb->filename =mm_strdup(input_filename);
715-
ptr->used =yb->next = yy_buffer;
715+
yb->next = yy_buffer;
716716

717-
yy_buffer = yb;
717+
ptr->used =yy_buffer = yb;
718718

719719
yy_scan_string(ptr->new);
720720
break;

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