//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2012 EMC Corp.
//
//	@filename:
//		CParseHandlerPhysicalDML.h
//
//	@doc:
//		Parse handler for parsing a physical DML operator
//
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerPhysicalDML_H
#define GPDXL_CParseHandlerPhysicalDML_H

#include "gpos/base.h"

#include "naucrates/dxl/operators/CDXLPhysicalDML.h"
#include "naucrates/dxl/parser/CParseHandlerPhysicalOp.h"


namespace gpdxl
{
using namespace gpos;

XERCES_CPP_NAMESPACE_USE

//---------------------------------------------------------------------------
//	@class:
//		CParseHandlerPhysicalDML
//
//	@doc:
//		Parse handler for parsing a physical DML operator
//
//---------------------------------------------------------------------------
class CParseHandlerPhysicalDML : public CParseHandlerPhysicalOp
{
private:
	// operator type
	EdxlDmlType m_dxl_dml_type;

	// source col ids
	ULongPtrArray *m_src_colids_array;

	// action column id
	ULONG m_action_colid;

	// ctid column id
	ULONG m_ctid_colid;

	// segmentId column id
	ULONG m_segid_colid;

	// Split Update
	BOOL m_fSplit;

	// process the start of an element
	void StartElement(
		const XMLCh *const element_uri,			// URI of element's namespace
		const XMLCh *const element_local_name,	// local part of element's name
		const XMLCh *const element_qname,		// element's qname
		const Attributes &attr					// element's attributes
		) override;

	// process the end of an element
	void EndElement(
		const XMLCh *const element_uri,			// URI of element's namespace
		const XMLCh *const element_local_name,	// local part of element's name
		const XMLCh *const element_qname		// element's qname
		) override;

	// parse the dml type from the attribute value
	static EdxlDmlType GetDmlOpType(const XMLCh *xmlszDmlType);

public:
	CParseHandlerPhysicalDML(const CParseHandlerPhysicalDML &) = delete;

	// ctor
	CParseHandlerPhysicalDML(CMemoryPool *mp,
							 CParseHandlerManager *parse_handler_mgr,
							 CParseHandlerBase *parse_handler_root);
};
}  // namespace gpdxl

#endif	// !GPDXL_CParseHandlerPhysicalDML_H

// EOF