greenplumn CParseHandlerDynamicIndexScan 源码

2022-08-18
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greenplumn CParseHandlerDynamicIndexScan 代码

文件路径：/src/backend/gporca/libnaucrates/src/parser/CParseHandlerDynamicIndexScan.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2013 EMC Corp.
//
//	@filename:
//		CParseHandlerDynamicIndexScan.cpp
//
//	@doc:
//		Implementation of the SAX parse handler class for dynamic index scan operators
//
//	@owner:
//
//
//	@test:
//
//---------------------------------------------------------------------------

#include "naucrates/dxl/parser/CParseHandlerDynamicIndexScan.h"

#include "naucrates/dxl/operators/CDXLOperatorFactory.h"
#include "naucrates/dxl/parser/CParseHandlerFactory.h"
#include "naucrates/dxl/parser/CParseHandlerFilter.h"
#include "naucrates/dxl/parser/CParseHandlerIndexCondList.h"
#include "naucrates/dxl/parser/CParseHandlerIndexDescr.h"
#include "naucrates/dxl/parser/CParseHandlerProjList.h"
#include "naucrates/dxl/parser/CParseHandlerProperties.h"
#include "naucrates/dxl/parser/CParseHandlerScalarOp.h"
#include "naucrates/dxl/parser/CParseHandlerTableDescr.h"
#include "naucrates/dxl/parser/CParseHandlerUtils.h"

using namespace gpdxl;

XERCES_CPP_NAMESPACE_USE

//---------------------------------------------------------------------------
//	@function:
//		CParseHandlerDynamicIndexScan::CParseHandlerDynamicIndexScan
//
//	@doc:
//		Ctor
//
//---------------------------------------------------------------------------
CParseHandlerDynamicIndexScan::CParseHandlerDynamicIndexScan(
	CMemoryPool *mp, CParseHandlerManager *parse_handler_mgr,
	CParseHandlerBase *parse_handler_root)
	: CParseHandlerIndexScan(mp, parse_handler_mgr, parse_handler_root)
{
}

//---------------------------------------------------------------------------
//	@function:
//		CParseHandlerDynamicIndexScan::StartElement
//
//	@doc:
//		Invoked by Xerces to process an opening tag
//
//---------------------------------------------------------------------------
void
CParseHandlerDynamicIndexScan::StartElement(
	const XMLCh *const,	 // element_uri,
	const XMLCh *const element_local_name,
	const XMLCh *const,	 // element_qname
	const Attributes &attrs)
{
	StartElementHelper(element_local_name, attrs,
					   EdxltokenPhysicalDynamicIndexScan);

	m_selector_ids = CDXLOperatorFactory::ExtractConvertValuesToArray(
		m_parse_handler_mgr->GetDXLMemoryManager(), attrs, EdxltokenSelectorIds,
		EdxltokenPhysicalDynamicIndexScan);
}

//---------------------------------------------------------------------------
//	@function:
//		CParseHandlerDynamicIndexScan::EndElement
//
//	@doc:
//		Invoked by Xerces to process a closing tag
//
//---------------------------------------------------------------------------
void
CParseHandlerDynamicIndexScan::EndElement(const XMLCh *const,  // element_uri,
										  const XMLCh *const element_local_name,
										  const XMLCh *const  // element_qname
)
{
	EndElementHelper(element_local_name, EdxltokenPhysicalDynamicIndexScan,
					 m_selector_ids /*m_selector_ids*/);
}


// EOF

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