greenplumn CScalarSwitchCase 源码
greenplumn CScalarSwitchCase 代码
文件路径：/src/backend/gporca/libgpopt/src/operators/CScalarSwitchCase.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Corp.
//
// @filename:
// CScalarSwitchCase.cpp
//
// @doc:
// Implementation of scalar SwitchCase operator
//---------------------------------------------------------------------------
#include "gpopt/operators/CScalarSwitchCase.h"
#include "gpos/base.h"
#include "gpopt/base/COptCtxt.h"
using namespace gpopt;
using namespace gpmd;
//---------------------------------------------------------------------------
// @function:
// CScalarSwitchCase::CScalarSwitchCase
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CScalarSwitchCase::CScalarSwitchCase(CMemoryPool *mp) : CScalar(mp)
{
}
//---------------------------------------------------------------------------
// @function:
// CScalarSwitchCase::Matches
//
// @doc:
// Match function on operator level
//
//---------------------------------------------------------------------------
BOOL
CScalarSwitchCase::Matches(COperator *pop) const
{
return (pop->Eopid() == Eopid());
}
// EOF
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