/*{
** Name: IIsw_queryQry - generic query call
**
** Description:
** Calls IIapi_query and then waits for it to complete.
**
** Inputs:
** connHandle - connection handle
** tranHandle - transaction handle
** queryType - query type
** queryText - query statement
** params - will parameters be sent?
**
** Outputs:
** tranHandle - transaction handle
** stmtHandle - statement handle
** errParm - error parameter block
**
** Returns:
** none
*/
IIAPI_STATUS
IIsw_queryQry(
II_PTR connHandle,
II_PTR *tranHandle,
IIAPI_QUERYTYPE queryType,
II_CHAR *queryText,
II_BOOL params,
II_PTR *stmtHandle,
IIAPI_GETQINFOPARM *qryInfoParm,
IIAPI_GETEINFOPARM *errParm)
{
IIAPI_QUERYPARM qryParm;
qryParm.qy_genParm.gp_callback = NULL;
qryParm.qy_genParm.gp_closure = NULL;
qryParm.qy_connHandle = connHandle;
qryParm.qy_queryType = queryType;
qryParm.qy_queryText = queryText;
qryParm.qy_parameters = params;
qryParm.qy_tranHandle = *tranHandle;
qryParm.qy_flags = 0;
IIapi_query(&qryParm);
*tranHandle = qryParm.qy_tranHandle;
*stmtHandle = qryParm.qy_stmtHandle;
IIsw_wait(&qryParm.qy_genParm);
if (qryParm.qy_genParm.gp_errorHandle)
IIsw_getErrorInfo(qryParm.qy_genParm.gp_errorHandle, errParm);
else
errParm->ge_errorHandle = NULL;
return (qryParm.qy_genParm.gp_status);
}
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool XEXEC::ingExecSimple( void )
{
IIAPI_GETDESCRPARM getDescrParm;
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = database->getConnHandle();
queryParm.qy_queryType = IIAPI_QT_QUERY;
queryParm.qy_queryText = (char *) malloc( query_text.size() + 1 );
strcpy( queryParm.qy_queryText, query_text.c_str() );
queryParm.qy_parameters = FALSE;
queryParm.qy_tranHandle = database->getTranHandle();
queryParm.qy_stmtHandle = ( II_PTR )NULL;
IIapi_query( &queryParm ); // INVOKE OPENAPI
database->setTranHandle( queryParm.qy_tranHandle );
if ( ! ingGetResult( &queryParm.qy_genParm ) )
{return( false );
}
free( queryParm.qy_queryText );
if ( ! ingGetDescr( &getDescrParm, queryParm.qy_stmtHandle ) )
{ingClose();
return( false );
}
if ( getDescrParm.gd_descriptorCount != 0 )
{error( 0, "number of descriptors is incorrect" );
ingClose();
return( false );
}
bool ok = ingGetOutcome();
return( ok && ingClose() );
}
static void
IIdemo_query( II_PTR *connHandle, II_PTR *tranHandle,
char *desc, char *queryText )
{
IIAPI_QUERYPARM queryParm;
IIAPI_GETQINFOPARM getQInfoParm;
IIAPI_CLOSEPARM closeParm;
IIAPI_WAITPARM waitParm = { -1 };
printf( "IIdemo_query: %s\n", desc );
/*
** Call IIapi_query to execute statement.
*/
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 );
/*
** Return transaction handle.
*/
*tranHandle = queryParm.qy_tranHandle;
/*
** Call IIapi_getQueryInfo() to get results.
*/
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = queryParm.qy_stmtHandle;
IIapi_getQueryInfo( &getQInfoParm );
while( getQInfoParm.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Call IIapi_close() to release resources.
*/
closeParm.cl_genParm.gp_callback = NULL;
closeParm.cl_genParm.gp_closure = NULL;
closeParm.cl_stmtHandle = queryParm.qy_stmtHandle;
IIapi_close( &closeParm );
while( closeParm.cl_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
return;
}
void
gcd_api_query( GCD_PCB *pcb )
{
pcb->api.name = "IIapi_query()";
pcb->api.parm.query.qy_genParm.gp_callback = gcd_qry_cmpl;
pcb->api.parm.query.qy_genParm.gp_closure = (PTR)pcb;
pcb->api.parm.query.qy_connHandle = pcb->ccb->cib->conn;
pcb->api.parm.query.qy_tranHandle = pcb->ccb->cib->tran;
pcb->api.parm.query.qy_stmtHandle = NULL;
pcb->api.parm.query.qy_queryType = pcb->data.query.type;
pcb->api.parm.query.qy_queryText = pcb->data.query.text;
pcb->api.parm.query.qy_parameters = pcb->data.query.params;
pcb->api.parm.query.qy_flags = pcb->data.query.flags;
IIapi_query( &pcb->api.parm.query );
return;
}
int OGRIngresStatement::ExecuteSQL( const char *pszStatement )
{
/* -------------------------------------------------------------------- */
/* Issue the query. */
/* -------------------------------------------------------------------- */
IIAPI_WAITPARM waitParm = { -1 };
IIAPI_QUERYPARM queryParm;
II_PTR hTransaction = poTransInfo->GetTransHandle();
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = poTransInfo->GetConnHandle();
queryParm.qy_queryType = IIAPI_QT_QUERY;
queryParm.qy_queryText = (II_CHAR *) pszStatement;
queryParm.qy_parameters = bHaveParm;
queryParm.qy_tranHandle = hTransaction;
queryParm.qy_stmtHandle = NULL;
if( bDebug )
CPLDebug( "INGRES", "IIapi_query(%s)", pszStatement );
IIapi_query( &queryParm );
/* -------------------------------------------------------------------- */
/* Capture handles for result. */
/* -------------------------------------------------------------------- */
while( queryParm.qy_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
if( queryParm.qy_genParm.gp_status != IIAPI_ST_SUCCESS
|| poTransInfo->GetConnHandle() == NULL )
{
ReportError( &(queryParm.qy_genParm),
CPLString().Printf( "IIapi_query(%s)", pszStatement ) );
return FALSE;
}
hTransaction = queryParm.qy_tranHandle;
hStmt = queryParm.qy_stmtHandle;
poTransInfo->SetTransHandle(hTransaction);
if( hStmt == NULL )
{
CPLDebug( "INGRES", "No resulting statement." );
return TRUE;
}
/* -------------------------------------------------------------------- */
/* Do we have parameters to send? */
/* -------------------------------------------------------------------- */
if( bHaveParm )
{
if( !SendParms() )
return FALSE;
}
/* -------------------------------------------------------------------- */
/* Get description of result columns. */
/* -------------------------------------------------------------------- */
getDescrParm.gd_genParm.gp_callback = NULL;
getDescrParm.gd_genParm.gp_closure = NULL;
getDescrParm.gd_stmtHandle = hStmt;
getDescrParm.gd_descriptorCount = 0;
getDescrParm.gd_descriptor = NULL;
IIapi_getDescriptor( &getDescrParm );
while( getDescrParm.gd_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
if( getDescrParm.gd_genParm.gp_status != IIAPI_ST_SUCCESS )
{
if( getDescrParm.gd_genParm.gp_errorHandle )
{
if( !bDebug )
CPLDebug( "INGRES", "IIapi_query(%s)", pszStatement );
ReportError( &(getDescrParm.gd_genParm), "IIapi_getDescriptor()" );
return FALSE;
}
else
{
if( bDebug )
CPLDebug( "INGRES", "Got gp_status = %d from getDescriptor.",
getDescrParm.gd_genParm.gp_status );
}
}
/* -------------------------------------------------------------------- */
/* Get query info. */
/* -------------------------------------------------------------------- */
#ifdef notdef
// For reasons I don't understand, calling getQueryInfo seems to screw
// up access to query results, so this is disabled.
queryInfo.gq_stmtHandle = hStmt;
IIapi_getQueryInfo( &queryInfo );
while( queryInfo.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
CPLDebug( "INGRES",
"gq_flags=%x, gq_mask=%x, gq_rowCount=%d, gq_rowStatus=%d, rowPosition=%d",
queryInfo.gq_flags,
queryInfo.gq_mask,
queryInfo.gq_rowCount,
queryInfo.gq_rowStatus,
queryInfo.gq_rowPosition );
if( queryInfo.gq_genParm.gp_status != IIAPI_ST_SUCCESS )
{
ReportError( &(queryInfo.gq_genParm), "IIapi_getQueryInfo()" );
return FALSE;
}
#endif
/* -------------------------------------------------------------------- */
/* Setup buffers for returned rows. */
/* -------------------------------------------------------------------- */
int i, nBufWidth = 0;
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
nBufWidth += getDescrParm.gd_descriptor[i].ds_length + 1;
pabyWrkBuffer = (GByte *) CPLCalloc(1,nBufWidth);
papszFields = (char **) CPLCalloc(sizeof(char *),
getDescrParm.gd_descriptorCount+1);
nBufWidth = 0;
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
{
papszFields[i] = (char *) (pabyWrkBuffer + nBufWidth);
nBufWidth += getDescrParm.gd_descriptor[i].ds_length + 1;
}
/* -------------------------------------------------------------------- */
/* Setup the getColumns() argument. */
/* -------------------------------------------------------------------- */
pasDataBuffer = (IIAPI_DATAVALUE *)
CPLCalloc(sizeof(IIAPI_DATAVALUE),getDescrParm.gd_descriptorCount);
getColParm.gc_genParm.gp_callback = NULL;
getColParm.gc_genParm.gp_closure = NULL;
getColParm.gc_rowCount = 1;
getColParm.gc_columnCount = getDescrParm.gd_descriptorCount;
getColParm.gc_rowsReturned = 0;
getColParm.gc_columnData = pasDataBuffer;
getColParm.gc_stmtHandle = hStmt;
getColParm.gc_moreSegments = 0;
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
{
getColParm.gc_columnData[i].dv_value = papszFields[i];
}
/* -------------------------------------------------------------------- */
/* We don't want papszFields[] pointing to anything but */
/* dynamically allocated data for long (blob) fields, so clear */
/* these pointers now. */
/* -------------------------------------------------------------------- */
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
{
if( IsColumnLong( i ) )
papszFields[i] = NULL;
}
return TRUE;
}
int
main( int argc, char** argv )
{
II_PTR connHandle = (II_PTR)NULL;
II_PTR tranHandle = (II_PTR)NULL;
II_PTR stmtHandle = (II_PTR)NULL;
II_PTR cursorID;
IIAPI_QUERYPARM queryParm;
IIAPI_SETDESCRPARM setDescrParm;
IIAPI_PUTPARMPARM putParmParm;
IIAPI_GETDESCRPARM getDescrParm;
IIAPI_GETCOLPARM getColParm;
IIAPI_GETQINFOPARM getQInfoParm;
IIAPI_CLOSEPARM closeParm;
IIAPI_WAITPARM waitParm = { -1 };
IIAPI_DESCRIPTOR DescrBuffer[ 1 ];
IIAPI_DATAVALUE DataBuffer[ 2 ];
IIAPI_DATAVALUE CursorBuffer[ 1 ];
char var1[33];
int var2;
if ( argc != 2 )
{
printf( "usage: apiscupd [vnode::]dbname[/server_class]\n" );
exit( 0 );
}
IIdemo_init();
IIdemo_conn(argv[1],&connHandle);
IIdemo_query(&connHandle, &tranHandle,"create table",createTBLText);
IIdemo_query(&connHandle, &tranHandle,"prepare insert",prepText);
IIdemo_insert(&connHandle,&tranHandle);
/*
** Open cursor.
*/
printf( "apiscupd: open cursor\n");
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = connHandle;
queryParm.qy_queryType = IIAPI_QT_OPEN;
queryParm.qy_queryText = openText;
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 cursor row descriptor.
*/
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 );
/*
** Position cursor on row.
*/
getColParm.gc_genParm.gp_callback = NULL;
getColParm.gc_genParm.gp_closure = NULL;
getColParm.gc_rowCount = 1;
getColParm.gc_columnCount = getDescrParm.gd_descriptorCount;
getColParm.gc_columnData = DataBuffer;
getColParm.gc_columnData[0].dv_value = var1;
getColParm.gc_columnData[1].dv_value = &var2;
getColParm.gc_stmtHandle = stmtHandle;
getColParm.gc_moreSegments = 0;
do
{
printf( "apiscupd: next row\n" );
IIapi_getColumns( &getColParm );
while( getColParm.gc_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
if ( getColParm.gc_genParm.gp_status >= IIAPI_ST_NO_DATA )
break;
/*
** Update using cursor.
*/
printf( "apiscupd: update row\n" );
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = connHandle;
queryParm.qy_queryType = IIAPI_QT_CURSOR_UPDATE;
queryParm.qy_queryText = updateText;
queryParm.qy_parameters = TRUE;
queryParm.qy_tranHandle = tranHandle;
queryParm.qy_stmtHandle = NULL;
IIapi_query( &queryParm );
while( queryParm.qy_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Describe query parameters - cursor handle.
*/
setDescrParm.sd_genParm.gp_callback = NULL;
setDescrParm.sd_genParm.gp_closure = NULL;
setDescrParm.sd_stmtHandle = queryParm.qy_stmtHandle;
setDescrParm.sd_descriptorCount = 1;
setDescrParm.sd_descriptor = DescrBuffer;
setDescrParm.sd_descriptor[0].ds_dataType = IIAPI_HNDL_TYPE;
setDescrParm.sd_descriptor[0].ds_nullable = FALSE;
setDescrParm.sd_descriptor[0].ds_length = sizeof( II_PTR );
setDescrParm.sd_descriptor[0].ds_precision = 0;
setDescrParm.sd_descriptor[0].ds_scale = 0;
setDescrParm.sd_descriptor[0].ds_columnType = IIAPI_COL_SVCPARM;
setDescrParm.sd_descriptor[0].ds_columnName = NULL;
IIapi_setDescriptor( &setDescrParm );
while( setDescrParm.sd_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Send query parameters - cursor handle.
*/
putParmParm.pp_genParm.gp_callback = NULL;
putParmParm.pp_genParm.gp_closure = NULL;
putParmParm.pp_stmtHandle = queryParm.qy_stmtHandle;
putParmParm.pp_parmCount = setDescrParm.sd_descriptorCount;
putParmParm.pp_parmData = CursorBuffer;
putParmParm.pp_moreSegments = 0;
putParmParm.pp_parmData[0].dv_null = FALSE;
putParmParm.pp_parmData[0].dv_length = sizeof( II_PTR );
putParmParm.pp_parmData[0].dv_value = (II_PTR)&cursorID;
cursorID = stmtHandle;
IIapi_putParms( &putParmParm );
while( putParmParm.pp_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Get update statement results.
*/
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = queryParm.qy_stmtHandle;
IIapi_getQueryInfo( &getQInfoParm );
while( getQInfoParm.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Free update statement resources.
*/
closeParm.cl_genParm.gp_callback = NULL;
closeParm.cl_genParm.gp_closure = NULL;
closeParm.cl_stmtHandle = queryParm.qy_stmtHandle;
IIapi_close( &closeParm );
while( closeParm.cl_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
} while( 1 );
/*
** Get cursor fetch results.
*/
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = stmtHandle;
IIapi_getQueryInfo( &getQInfoParm );
while( getQInfoParm.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Free cursor resources.
*/
printf( "apiscupd: close cursor\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 );
}
static void
IIdemo_insert( II_PTR *connHandle, II_PTR *tranHandle )
{
IIAPI_QUERYPARM queryParm;
IIAPI_SETDESCRPARM setDescrParm;
IIAPI_PUTPARMPARM putParmParm;
IIAPI_GETQINFOPARM getQInfoParm;
IIAPI_CLOSEPARM closeParm;
IIAPI_WAITPARM waitParm = { -1 };
IIAPI_DESCRIPTOR DescrBuffer[ 2 ];
IIAPI_DATAVALUE DataBuffer[ 2 ];
int row;
int i;
for( row = 0; row < DEMO_TABLE_SIZE; row++ )
{
/*
** Insert row.
*/
printf( "IIdemo_insert: execute insert\n" );
queryParm.qy_connHandle = *connHandle;
queryParm.qy_queryType = IIAPI_QT_EXEC;
queryParm.qy_queryText = execText;
queryParm.qy_parameters = TRUE;
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;
/*
** Describe query parameters.
*/
setDescrParm.sd_genParm.gp_callback = NULL;
setDescrParm.sd_genParm.gp_closure = NULL;
setDescrParm.sd_stmtHandle = queryParm.qy_stmtHandle;
setDescrParm.sd_descriptorCount = 2;
setDescrParm.sd_descriptor = DescrBuffer;
setDescrParm.sd_descriptor[0].ds_dataType = IIAPI_CHA_TYPE;
setDescrParm.sd_descriptor[0].ds_nullable = FALSE;
setDescrParm.sd_descriptor[0].ds_length =
strlen( insTBLInfo[row].name );
setDescrParm.sd_descriptor[0].ds_precision = 0;
setDescrParm.sd_descriptor[0].ds_scale = 0;
setDescrParm.sd_descriptor[0].ds_columnType = IIAPI_COL_QPARM;
setDescrParm.sd_descriptor[0].ds_columnName = NULL;
setDescrParm.sd_descriptor[1].ds_dataType = IIAPI_INT_TYPE;
setDescrParm.sd_descriptor[1].ds_nullable = FALSE;
setDescrParm.sd_descriptor[1].ds_length = sizeof( II_INT4 );
setDescrParm.sd_descriptor[1].ds_precision = 0;
setDescrParm.sd_descriptor[1].ds_scale = 0;
setDescrParm.sd_descriptor[1].ds_columnType = IIAPI_COL_QPARM;
setDescrParm.sd_descriptor[1].ds_columnName = NULL;
IIapi_setDescriptor( &setDescrParm );
while( setDescrParm.sd_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Send query parameters.
*/
putParmParm.pp_genParm.gp_callback = NULL;
putParmParm.pp_genParm.gp_closure = NULL;
putParmParm.pp_stmtHandle = queryParm.qy_stmtHandle;
putParmParm.pp_parmCount = setDescrParm.sd_descriptorCount;
putParmParm.pp_moreSegments = 0;
putParmParm.pp_parmData = DataBuffer;
putParmParm.pp_parmData[0].dv_null = FALSE;
putParmParm.pp_parmData[0].dv_length =
strlen( insTBLInfo[row].name );
putParmParm.pp_parmData[0].dv_value = insTBLInfo[row].name;
putParmParm.pp_parmData[1].dv_null = FALSE;
putParmParm.pp_parmData[1].dv_length = sizeof( II_INT4 );
putParmParm.pp_parmData[1].dv_value = &insTBLInfo[row].age;
IIapi_putParms( &putParmParm );
while( putParmParm.pp_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Get insert results.
*/
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = queryParm.qy_stmtHandle;
IIapi_getQueryInfo( &getQInfoParm );
while( getQInfoParm.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Free statement resources.
*/
closeParm.cl_genParm.gp_callback = NULL;
closeParm.cl_genParm.gp_closure = NULL;
closeParm.cl_stmtHandle = queryParm.qy_stmtHandle;
IIapi_close( &closeParm );
while( closeParm.cl_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
}
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 );
}
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool XEXEC::ingExecParams( void )
{
IIAPI_SETDESCRPARM setDescrParm;
IIAPI_PUTPARMPARM putParmParm;
IIAPI_GETDESCRPARM getDescrParm;
bool ok = true;
static int exec_counter = 1;
static std::set<int> buffers;
char exec_name[20], exec_text[30];
exec_counter++;
int i;
int buffer_id = -1;
for ( i = 0; i < exec_counter; i++ )
{if ( buffers.find(i) == buffers.end() )
{buffer_id = i;
buffers.insert( buffer_id );
break; // FIND UNIQUE UN-USED BUFFER ID
}
}
if ( buffer_id < 0 || buffer_id >= exec_counter )
{error( 0, "out of buffer IDs" );
return( false );
}
sprintf( exec_name, "e%d", buffer_id );
sprintf( exec_text, "EXECUTE %s", exec_name );
queryParm.qy_genParm.gp_callback = NULL;
queryParm.qy_genParm.gp_closure = NULL;
queryParm.qy_connHandle = database->getConnHandle();
queryParm.qy_queryType = IIAPI_QT_QUERY;
queryParm.qy_queryText = (char *) malloc( query_text.size() + 50 );
sprintf( queryParm.qy_queryText, "PREPARE %s FROM %s", exec_name,
query_text.c_str() );
queryParm.qy_parameters = FALSE;
queryParm.qy_tranHandle = database->getTranHandle();
queryParm.qy_stmtHandle = ( II_PTR )NULL;
IIapi_query( &queryParm ); // INVOKE OPENAPI
database->setTranHandle( queryParm.qy_tranHandle );
if ( ! ingGetResult( &queryParm.qy_genParm ) )
{return( false );
}
free( queryParm.qy_queryText );
if ( ! ingGetDescr( &getDescrParm, queryParm.qy_stmtHandle ) )
{ingClose();
return( false );
}
if ( getDescrParm.gd_descriptorCount != 0 )
{error( 0, "number of descriptors is incorrect" );
ingClose();
return( false );
}
/*
** Call IIapi_getQueryInfo()
** and process result.
*/
// IIapi_getQueryInfo( (IIAPI_GETQINFOPARM *) queryParm.qy_stmtHandle );
if ( ! ingClose() )
{return( false );
}
queryParm.qy_connHandle = database->getConnHandle();
queryParm.qy_queryType = IIAPI_QT_EXEC;
queryParm.qy_queryText = (char *) malloc( strlen(exec_text) + 1 );
strcpy( queryParm.qy_queryText, exec_text );
queryParm.qy_parameters = (nparam > 0 ) ? TRUE : FALSE;
queryParm.qy_tranHandle = database->getTranHandle();
queryParm.qy_stmtHandle = ( II_PTR )NULL;
IIapi_query( &queryParm );
database->setTranHandle( queryParm.qy_tranHandle );
if ( ! ingGetResult( &queryParm.qy_genParm ) )
{return( false );
}
free( queryParm.qy_queryText );
setDescrParm.sd_genParm.gp_callback = NULL;
setDescrParm.sd_genParm.gp_closure = NULL;
setDescrParm.sd_stmtHandle = queryParm.qy_stmtHandle;
setDescrParm.sd_descriptorCount = (II_INT2) nparam;
setDescrParm.sd_descriptor = ( IIAPI_DESCRIPTOR * )
malloc( ( setDescrParm.sd_descriptorCount + 1 ) *
sizeof( IIAPI_DESCRIPTOR ) );
ok = ingDescribeUserParameters( setDescrParm.sd_descriptor );
if ( ! ok )
{return( false );
}
IIapi_setDescriptor( &setDescrParm );
if ( ! ingGetResult( &setDescrParm.sd_genParm ) )
{
// ingCancel();
return( false );
} // * * * leaks memory
free( ( II_PTR )setDescrParm.sd_descriptor );
/* Provide parameters for IIapi_putParms() */
putParmParm.pp_genParm.gp_callback = NULL;
putParmParm.pp_genParm.gp_closure = NULL;
putParmParm.pp_stmtHandle = queryParm.qy_stmtHandle;
putParmParm.pp_parmCount = 1;
IIAPI_DATAVALUE data;
putParmParm.pp_parmData = (IIAPI_DATAVALUE *) &data;
ok = ingPutUserParameters( &putParmParm );
buffers.erase( buffer_id ); // RETURN BUFFER_ID TO POOL
if ( ! ok )
{return( false );
}
ok = ingGetOutcome();
return( ok && ingClose() );
}
int
main( int argc, char** argv )
{
II_PTR connHandle = (II_PTR)NULL;
II_PTR tranHandle = (II_PTR)NULL;
II_PTR stmtHandle = (II_PTR)NULL;
II_PTR envHandle = (II_PTR)NULL;
IIAPI_CONNPARM connParm;
IIAPI_AUTOPARM autoparm;
IIAPI_QUERYPARM queryParm;
IIAPI_GETDESCRPARM getDescrParm;
IIAPI_GETCOLPARM getColParm;
IIAPI_GETQINFOPARM getQInfoParm;
IIAPI_CLOSEPARM closeParm;
IIAPI_WAITPARM waitParm = { -1 };
IIAPI_DESCRIPTOR DescrBuffer[ 5 ];
IIAPI_DATAVALUE DataBuffer[ 5 ];
char var[5][129];
short i, len;
IIdemo_init(&envHandle);
/*
** Connect to local Name Server
*/
printf( "apisname: establishing connection to Name Server\n" );
connParm.co_genParm.gp_callback = NULL;
connParm.co_genParm.gp_closure = NULL;
connParm.co_target = NULL;
connParm.co_type = IIAPI_CT_NS;
connParm.co_connHandle = envHandle;
connParm.co_tranHandle = NULL;
connParm.co_username = NULL;
connParm.co_password = NULL;
connParm.co_timeout = -1;
IIapi_connect( &connParm );
while( connParm.co_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
connHandle = connParm.co_connHandle;
tranHandle = connParm.co_tranHandle;
/*
** Enable autocommit
*/
printf( "apisauto: enable autocommit\n" );
autoparm.ac_genParm.gp_callback = NULL;
autoparm.ac_genParm.gp_closure = NULL;
autoparm.ac_connHandle = connHandle;
autoparm.ac_tranHandle = NULL;
IIapi_autocommit( &autoparm );
while( autoparm.ac_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
tranHandle = autoparm.ac_tranHandle;
/*
** Execute 'show' statement.
*/
printf( "apisname: retrieving VNODE connection info\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 = showText;
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 );
stmtHandle = queryParm.qy_stmtHandle;
/*
** Get result row descriptors.
*/
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 );
/*
** Retrieve result rows.
*/
getColParm.gc_genParm.gp_callback = NULL;
getColParm.gc_genParm.gp_closure = NULL;
getColParm.gc_rowCount = 1;
getColParm.gc_columnCount = getDescrParm.gd_descriptorCount;
getColParm.gc_columnData = DataBuffer;
getColParm.gc_stmtHandle = stmtHandle;
getColParm.gc_moreSegments = 0;
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
getColParm.gc_columnData[i].dv_value = var[i];
do
{
IIapi_getColumns( &getColParm );
while( getColParm.gc_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
if ( getColParm.gc_genParm.gp_status >= IIAPI_ST_NO_DATA )
break;
for( i = 0; i < getDescrParm.gd_descriptorCount; i++ )
{
if ( getDescrParm.gd_descriptor[i].ds_dataType == IIAPI_VCH_TYPE )
{
memcpy( (char *)&len, var[i], 2 );
var[i][ len + 2 ] = '\0';
strcpy( var[i], &var[i][2] );
}
else
{
var[i][ getColParm.gc_columnData[ i ].dv_length ] = '\0';
}
}
printf( "\tG/P = %s vnode = %s host = %s prot = %s addr = %s\n",
var[0],var[1],var[2],var[3],var[4]);
} while (1);
/*
** Get query results.
*/
getQInfoParm.gq_genParm.gp_callback = NULL;
getQInfoParm.gq_genParm.gp_closure = NULL;
getQInfoParm.gq_stmtHandle = stmtHandle;
IIapi_getQueryInfo( &getQInfoParm );
while( getQInfoParm.gq_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
/*
** Close query.
*/
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 );
/*
** Disable autocommit.
*/
printf( "apisname: disable autocommit\n" );
autoparm.ac_connHandle = NULL;
autoparm.ac_tranHandle = tranHandle;
IIapi_autocommit( &autoparm );
while( autoparm.ac_genParm.gp_completed == FALSE )
IIapi_wait( &waitParm );
IIdemo_disconn(&connHandle);
IIdemo_term(&envHandle);
return( 0 );
}
