OGRLayer * FGdbDataSource::ExecuteSQL( const char *pszSQLCommand,
OGRGeometry *poSpatialFilter,
const char *pszDialect )
{
size_t count = m_layers.size();
for(size_t i = 0; i < count; ++i )
{
m_layers[i]->EndBulkLoad();
}
/* -------------------------------------------------------------------- */
/* Use generic implementation for recognized dialects */
/* -------------------------------------------------------------------- */
if( IsGenericSQLDialect(pszDialect) )
return OGRDataSource::ExecuteSQL( pszSQLCommand,
poSpatialFilter,
pszDialect );
/* -------------------------------------------------------------------- */
/* Special case GetLayerDefinition */
/* -------------------------------------------------------------------- */
if (EQUALN(pszSQLCommand, "GetLayerDefinition ", strlen("GetLayerDefinition ")))
{
FGdbLayer* poLayer = (FGdbLayer*) GetLayerByName(pszSQLCommand + strlen("GetLayerDefinition "));
if (poLayer)
{
char* pszVal = NULL;
poLayer->GetLayerXML(&pszVal);
OGRLayer* poRet = new OGRFGdbSingleFeatureLayer( "LayerDefinition", pszVal );
CPLFree(pszVal);
return poRet;
}
else
return NULL;
}
/* -------------------------------------------------------------------- */
/* Special case GetLayerMetadata */
/* -------------------------------------------------------------------- */
if (EQUALN(pszSQLCommand, "GetLayerMetadata ", strlen("GetLayerMetadata ")))
{
FGdbLayer* poLayer = (FGdbLayer*) GetLayerByName(pszSQLCommand + strlen("GetLayerMetadata "));
if (poLayer)
{
char* pszVal = NULL;
poLayer->GetLayerMetadataXML(&pszVal);
OGRLayer* poRet = new OGRFGdbSingleFeatureLayer( "LayerMetadata", pszVal );
CPLFree(pszVal);
return poRet;
}
else
return NULL;
}
/* TODO: remove that workaround when the SDK has finally a decent */
/* SQL support ! */
if( EQUALN(pszSQLCommand, "SELECT ", 7) && pszDialect == NULL )
{
CPLDebug("FGDB", "Support for SELECT is known to be partially "
"non-compliant with FileGDB SDK API v1.2.\n"
"So for now, we use default OGR SQL engine. "
"Explicitly specify -dialect FileGDB\n"
"to use the SQL engine from the FileGDB SDK API");
return OGRDataSource::ExecuteSQL( pszSQLCommand,
poSpatialFilter,
pszDialect );
}
/* -------------------------------------------------------------------- */
/* Run the SQL */
/* -------------------------------------------------------------------- */
EnumRows* pEnumRows = new EnumRows;
long hr;
try
{
hr = m_pGeodatabase->ExecuteSQL(
StringToWString(pszSQLCommand), true, *pEnumRows);
}
catch(...)
{
CPLError(CE_Failure, CPLE_AppDefined,
"Exception occured at executing '%s'. Application may become unstable", pszSQLCommand);
delete pEnumRows;
return NULL;
}
if (FAILED(hr))
{
GDBErr(hr, CPLSPrintf("Failed at executing '%s'", pszSQLCommand));
delete pEnumRows;
return NULL;
}
if( EQUALN(pszSQLCommand, "SELECT ", 7) )
{
return new FGdbResultLayer(this, pszSQLCommand, pEnumRows);
}
else
{
delete pEnumRows;
return NULL;
}
}
OGRLayer * FGdbDataSource::ExecuteSQL( const char *pszSQLCommand,
OGRGeometry *poSpatialFilter,
const char *pszDialect )
{
if ( pszDialect != NULL && EQUAL(pszDialect, "OGRSQL") )
return OGRDataSource::ExecuteSQL( pszSQLCommand,
poSpatialFilter,
pszDialect );
/* -------------------------------------------------------------------- */
/* Special case GetLayerDefinition */
/* -------------------------------------------------------------------- */
if (EQUALN(pszSQLCommand, "GetLayerDefinition ", strlen("GetLayerDefinition ")))
{
FGdbLayer* poLayer = (FGdbLayer*) GetLayerByName(pszSQLCommand + strlen("GetLayerDefinition "));
if (poLayer)
{
char* pszVal = NULL;
poLayer->GetLayerXML(&pszVal);
OGRLayer* poRet = new OGRFGdbSingleFeatureLayer( "LayerDefinition", pszVal );
CPLFree(pszVal);
return poRet;
}
else
return NULL;
}
/* -------------------------------------------------------------------- */
/* Special case GetLayerMetadata */
/* -------------------------------------------------------------------- */
if (EQUALN(pszSQLCommand, "GetLayerMetadata ", strlen("GetLayerMetadata ")))
{
FGdbLayer* poLayer = (FGdbLayer*) GetLayerByName(pszSQLCommand + strlen("GetLayerMetadata "));
if (poLayer)
{
char* pszVal = NULL;
poLayer->GetLayerMetadataXML(&pszVal);
OGRLayer* poRet = new OGRFGdbSingleFeatureLayer( "LayerMetadata", pszVal );
CPLFree(pszVal);
return poRet;
}
else
return NULL;
}
/* TODO: remove that workaround when the SDK has finally a decent */
/* SQL support ! */
if( EQUALN(pszSQLCommand, "SELECT ", 7) && pszDialect == NULL )
{
CPLDebug("FGDB", "Support for SELECT is known to be partially "
"non-compliant with FileGDB SDK API v1.2.\n"
"So for now, we use default OGR SQL engine. "
"Explicitely specify -dialect FileGDB\n"
"to use the SQL engine from the FileGDB SDK API");
return OGRDataSource::ExecuteSQL( pszSQLCommand,
poSpatialFilter,
pszDialect );
}
/* -------------------------------------------------------------------- */
/* Run the SQL */
/* -------------------------------------------------------------------- */
EnumRows* pEnumRows = new EnumRows;
long hr;
if (FAILED(hr = m_pGeodatabase->ExecuteSQL(
StringToWString(pszSQLCommand), true, *pEnumRows)))
{
GDBErr(hr, CPLSPrintf("Failed at executing '%s'", pszSQLCommand));
delete pEnumRows;
return NULL;
}
if( EQUALN(pszSQLCommand, "SELECT ", 7) )
{
return new FGdbResultLayer(this, pszSQLCommand, pEnumRows);
}
else
{
delete pEnumRows;
return NULL;
}
}
