postgresql/src/pl/plperl/SPI.xs

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/**********************************************************************
* PostgreSQL::InServer::SPI
*
* SPI interface for plperl.
*
* src/pl/plperl/SPI.xs
*
**********************************************************************/
/* this must be first: */
#include "postgres.h"
/* perl stuff */
#define PG_NEED_PERL_XSUB_H
#include "plperl.h"
MODULE = PostgreSQL::InServer::SPI PREFIX = spi_
PROTOTYPES: ENABLE
VERSIONCHECK: DISABLE
SV*
spi_spi_exec_query(sv, ...)
SV* sv;
PREINIT:
HV *ret_hash;
int limit = 0;
char *query;
CODE:
if (items > 2)
croak("Usage: spi_exec_query(query, limit) "
"or spi_exec_query(query)");
if (items == 2)
limit = SvIV(ST(1));
query = sv2cstr(sv);
ret_hash = plperl_spi_exec(query, limit);
pfree(query);
RETVAL = newRV_noinc((SV*) ret_hash);
OUTPUT:
RETVAL
void
spi_return_next(rv)
SV *rv;
CODE:
plperl_return_next(rv);
SV *
spi_spi_query(sv)
SV *sv;
CODE:
char* query = sv2cstr(sv);
RETVAL = plperl_spi_query(query);
pfree(query);
OUTPUT:
RETVAL
SV *
spi_spi_fetchrow(sv)
SV* sv;
CODE:
char* cursor = sv2cstr(sv);
RETVAL = plperl_spi_fetchrow(cursor);
pfree(cursor);
OUTPUT:
RETVAL
SV*
spi_spi_prepare(sv, ...)
SV* sv;
CODE:
int i;
SV** argv;
char* query = sv2cstr(sv);
if (items < 1)
Perl_croak(aTHX_ "Usage: spi_prepare(query, ...)");
argv = ( SV**) palloc(( items - 1) * sizeof(SV*));
for ( i = 1; i < items; i++)
argv[i - 1] = ST(i);
RETVAL = plperl_spi_prepare(query, items - 1, argv);
pfree( argv);
pfree(query);
OUTPUT:
RETVAL
SV*
spi_spi_exec_prepared(sv, ...)
SV* sv;
PREINIT:
HV *ret_hash;
CODE:
HV *attr = NULL;
int i, offset = 1, argc;
SV ** argv;
char *query = sv2cstr(sv);
if ( items < 1)
Perl_croak(aTHX_ "Usage: spi_exec_prepared(query, [\\%%attr,] "
"[\\@bind_values])");
if ( items > 1 && SvROK( ST( 1)) && SvTYPE( SvRV( ST( 1))) == SVt_PVHV)
{
attr = ( HV*) SvRV(ST(1));
offset++;
}
argc = items - offset;
argv = ( SV**) palloc( argc * sizeof(SV*));
for ( i = 0; offset < items; offset++, i++)
argv[i] = ST(offset);
ret_hash = plperl_spi_exec_prepared(query, attr, argc, argv);
RETVAL = newRV_noinc((SV*)ret_hash);
pfree( argv);
pfree(query);
OUTPUT:
RETVAL
SV*
spi_spi_query_prepared(sv, ...)
SV * sv;
CODE:
int i;
SV ** argv;
char *query = sv2cstr(sv);
if ( items < 1)
Perl_croak(aTHX_ "Usage: spi_query_prepared(query, "
"[\\@bind_values])");
argv = ( SV**) palloc(( items - 1) * sizeof(SV*));
for ( i = 1; i < items; i++)
argv[i - 1] = ST(i);
RETVAL = plperl_spi_query_prepared(query, items - 1, argv);
pfree( argv);
pfree(query);
OUTPUT:
RETVAL
void
spi_spi_freeplan(sv)
SV *sv;
CODE:
char *query = sv2cstr(sv);
plperl_spi_freeplan(query);
pfree(query);
void
spi_spi_cursor_close(sv)
SV *sv;
CODE:
char *cursor = sv2cstr(sv);
plperl_spi_cursor_close(cursor);
pfree(cursor);
void
spi_spi_commit()
CODE:
plperl_spi_commit();
void
spi_spi_rollback()
CODE:
plperl_spi_rollback();
BOOT:
items = 0; /* avoid 'unused variable' warning */