greenplumn CParseHandlerExternalScan 代码
文件路径：/src/backend/gporca/libnaucrates/src/parser/CParseHandlerExternalScan.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2013 VMware, Inc. or its affiliates.
/
/ @filename:
/ CParseHandlerExternalScan.cpp
/
/ @doc:
/ Implementation of the SAX parse handler class for parsing external scan
/---------------------------------------------------------------------------
#include "naucrates/dxl/parser/CParseHandlerExternalScan.h"
#include "naucrates/dxl/operators/CDXLOperatorFactory.h"
#include "naucrates/dxl/parser/CParseHandlerFactory.h"
using namespace gpdxl;
XERCES_CPP_NAMESPACE_USE
/---------------------------------------------------------------------------
/ @function:
/ CParseHandlerExternalScan::CParseHandlerExternalScan
/
/ @doc:
/ Ctor
/
/---------------------------------------------------------------------------
CParseHandlerExternalScan::CParseHandlerExternalScan(
CMemoryPool *mp, CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root)
: CParseHandlerTableScan(mp, parse_handler_mgr, parse_handler_root)
{
}
/---------------------------------------------------------------------------
/ @function:
/ CParseHandlerExternalScan::StartElement
/
/ @doc:
/ Invoked by Xerces to process an opening tag
/
/---------------------------------------------------------------------------
void
CParseHandlerExternalScan::StartElement(const XMLCh *const, / element_uri,
const XMLCh *const element_local_name,
const XMLCh *const, / element_qname
const Attributes & / attrs
)
{
CParseHandlerTableScan::StartElement(element_local_name,
EdxltokenPhysicalExternalScan);
}
/---------------------------------------------------------------------------
/ @function:
/ CParseHandlerExternalScan::EndElement
/
/ @doc:
/ Invoked by Xerces to process a closing tag
/
/---------------------------------------------------------------------------
void
CParseHandlerExternalScan::EndElement(const XMLCh *const, / element_uri,
const XMLCh *const element_local_name,
const XMLCh *const / element_qname
)
{
CParseHandlerTableScan::EndElement(element_local_name,
EdxltokenPhysicalExternalScan);
}
/ EOF
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