void
gcd_api_cancel( GCD_PCB *pcb )
{
pcb->api.name = "IIapi_cancel()";
pcb->api.parm.cancel.cn_genParm.gp_callback = gcd_cncl_cmpl;
pcb->api.parm.cancel.cn_genParm.gp_closure = (PTR)pcb;
pcb->api.parm.cancel.cn_stmtHandle = pcb->ccb->api.stmt;
if ( pcb->api.parm.cancel.cn_stmtHandle )
IIapi_cancel( &pcb->api.parm.cancel );
else
{
/*
** There was no statement to cancel.
** No error is returned in this case.
*/
pcb->api_status = IIAPI_ST_SUCCESS;
pcb->api_error = OK;
gcd_pop_callback( pcb );
}
return;
}
int
main( int argc, char** argv )
{
II_PTR connHandle = (II_PTR)NULL;
II_PTR tranHandle = (II_PTR)NULL;
II_PTR stmtHandle = (II_PTR)NULL;
IIAPI_QUERYPARM queryParm;
IIAPI_GETDESCRPARM getDescrParm;
IIAPI_GETCOLPARM getColParm;
IIAPI_CLOSEPARM closeParm;
IIAPI_CANCELPARM cancelParm;
IIAPI_WAITPARM waitParm = { -1 };
IIAPI_DATAVALUE DataBuffer[ 1 ];
int i;
char var1[33];
if ( argc != 2 )
{
printf( "usage: apissell [vnode::]dbname[/server_class]\n" );
exit( 0 );
}
IIdemo_init();
IIdemo_conn(argv[1],&connHandle);
/*
** Issue query
*/
printf( "apissell: select table names\n" );
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = connHandle;
queryParm.qy_queryType = IIAPI_QT_QUERY;
queryParm.qy_queryText = queryText;
queryParm.qy_parameters = FALSE;
queryParm.qy_tranHandle = tranHandle;
queryParm.qy_stmtHandle = NULL;
IIapi_query( &queryParm );
while( queryParm.qy_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
tranHandle = queryParm.qy_tranHandle;
stmtHandle = queryParm.qy_stmtHandle;
/*
** Get query result descriptors
*/
printf( "apissell: get descriptors\n" );
getDescrParm.gd_genParm.gp_callback = NULL;
getDescrParm.gd_genParm.gp_closure = NULL;
getDescrParm.gd_stmtHandle = stmtHandle;
getDescrParm.gd_descriptorCount = 0;
getDescrParm.gd_descriptor = NULL;
IIapi_getDescriptor( &getDescrParm );
while( getDescrParm.gd_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Get query results
*/
printf( "apissell: get results\n" );
getColParm.gc_genParm.gp_callback = NULL;
getColParm.gc_genParm.gp_closure = NULL;
getColParm.gc_rowCount = 1;
getColParm.gc_columnCount = 1;
getColParm.gc_rowsReturned = 0;
getColParm.gc_columnData = DataBuffer;
getColParm.gc_columnData[0].dv_value = var1;
getColParm.gc_stmtHandle = stmtHandle;
getColParm.gc_moreSegments = 0;
for( i = 0; i < 5; i++ )
{
IIapi_getColumns( &getColParm );
while( getColParm.gc_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
if ( getColParm.gc_genParm.gp_status >= IIAPI_ST_NO_DATA )
break;
var1[ DataBuffer[0].dv_length ] = '\0';
printf( "\t%s = %s \n",
getDescrParm.gd_descriptor[0].ds_columnName, var1 );
};
/*
** Cancel query processing.
*/
printf( "apissell: cancel query\n" );
cancelParm.cn_genParm.gp_callback = NULL;
cancelParm.cn_genParm.gp_closure = NULL;
cancelParm.cn_stmtHandle = stmtHandle;
IIapi_cancel(&cancelParm );
while( cancelParm.cn_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm);
/*
** Free query resources.
*/
printf( "apissell: free query resources\n" );
closeParm.cl_genParm.gp_callback = NULL;
closeParm.cl_genParm.gp_closure = NULL;
closeParm.cl_stmtHandle = stmtHandle;
IIapi_close( &closeParm );
while( closeParm.cl_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
IIdemo_rollback(&tranHandle);
IIdemo_disconn(&connHandle);
IIdemo_term();
return( 0 );
}
