greenplumn CXformImplementAssert 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/xforms/CXformImplementAssert.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CXformImplementAssert.h
/
/ @doc:
/ Implement Assert
/---------------------------------------------------------------------------
#ifndef GPOPT_CXformImplementAssert_H
#define GPOPT_CXformImplementAssert_H
#include "gpos/base.h"
#include "gpopt/xforms/CXformImplementation.h"
namespace gpopt
{
using namespace gpos;
/---------------------------------------------------------------------------
/ @class:
/ CXformImplementAssert
/
/ @doc:
/ Implement Assert
/
/---------------------------------------------------------------------------
class CXformImplementAssert : public CXformImplementation
{
private:
public:
CXformImplementAssert(const CXformImplementAssert &) = delete;
/ ctor
explicit CXformImplementAssert(CMemoryPool *mp);
/ dtor
~CXformImplementAssert() override = default;
/ ident accessors
EXformId
Exfid() const override
{
return ExfImplementAssert;
}
/ xform name
const CHAR *
SzId() const override
{
return "CXformImplementAssert";
}
/ compute xform promise for a given expression handle
EXformPromise Exfp(CExpressionHandle &exprhdl) const override;
/ actual transform
void Transform(CXformContext *, CXformResult *,
CExpression *) const override;
}; / class CXformImplementAssert
} / namespace gpopt
#endif / !GPOPT_CXformImplementAssert_H
/ EOF
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