//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2017 VMware, Inc. or its affiliates.
//
//	@filename:
//		CDXLScalarArrayCoerceExpr.h
//
//	@doc:
//		Class for representing DXL ArrayCoerceExpr operation,
//		the operator will apply type casting for each element in this array
//		using the given element coercion function.
//	@owner:
//
//	@test:
//
//---------------------------------------------------------------------------

#ifndef GPDXL_CDXLScalarArrayCoerceExpr_H
#define GPDXL_CDXLScalarArrayCoerceExpr_H

#include "gpos/base.h"

#include "naucrates/dxl/operators/CDXLScalarCoerceBase.h"
#include "naucrates/md/IMDId.h"

namespace gpdxl
{
using namespace gpos;
using namespace gpmd;

//---------------------------------------------------------------------------
//	@class:
//		CDXLScalarArrayCoerceExpr
//
//	@doc:
//		Class for representing DXL array coerce operator
//---------------------------------------------------------------------------
class CDXLScalarArrayCoerceExpr : public CDXLScalarCoerceBase
{
private:
public:
	CDXLScalarArrayCoerceExpr(const CDXLScalarArrayCoerceExpr &) = delete;

	CDXLScalarArrayCoerceExpr(CMemoryPool *mp, IMDId *result_type_mdid,
							  INT type_modifier, EdxlCoercionForm coerce_format,
							  INT location);

	~CDXLScalarArrayCoerceExpr() override = default;

	// ident accessor
	Edxlopid
	GetDXLOperator() const override
	{
		return EdxlopScalarArrayCoerceExpr;
	}

	// name of the DXL operator name
	const CWStringConst *GetOpNameStr() const override;

	// serialize operator in DXL format
	void SerializeToDXL(CXMLSerializer *xml_serializer,
						const CDXLNode *dxlnode) const override;

	// conversion function
	static CDXLScalarArrayCoerceExpr *
	Cast(CDXLOperator *dxl_op)
	{
		GPOS_ASSERT(nullptr != dxl_op);
		GPOS_ASSERT(EdxlopScalarArrayCoerceExpr == dxl_op->GetDXLOperator());

		return dynamic_cast<CDXLScalarArrayCoerceExpr *>(dxl_op);
	}
};
}  // namespace gpdxl

#endif	// !GPDXL_CDXLScalarArrayCoerceExpr_H

// EOF