greenplumn CSerializablePlan 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/minidump/CSerializablePlan.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CSerializablePlan.h
/
/ @doc:
/ Serializable plan object used to dump the query plan
/---------------------------------------------------------------------------
#ifndef GPOPT_CSerializablePlan_H
#define GPOPT_CSerializablePlan_H
#include "gpos/base.h"
#include "gpos/error/CSerializable.h"
#include "gpos/string/CWStringDynamic.h"
#include "naucrates/dxl/operators/CDXLNode.h"
using namespace gpos;
using namespace gpdxl;
namespace gpopt
{
/---------------------------------------------------------------------------
/ @class:
/ CSerializablePlan
/
/ @doc:
/ Serializable plan object
/
/---------------------------------------------------------------------------
class CSerializablePlan : public CSerializable
{
private:
CMemoryPool *m_mp;
/ plan DXL node
const CDXLNode *m_plan_dxl_root;
/ serialized plan
CWStringDynamic *m_pstrPlan;
/ plan Id
ULLONG m_plan_id;
/ plan space size
ULLONG m_plan_space_size;
public:
CSerializablePlan(const CSerializablePlan &) = delete;
/ ctor
CSerializablePlan(CMemoryPool *mp, const CDXLNode *pdxlnPlan,
ULLONG plan_id, ULLONG plan_space_size);
/ dtor
~CSerializablePlan() override;
/ serialize object to passed buffer
void Serialize(COstream &oos) override;
}; / class CSerializablePlan
} / namespace gpopt
#endif / !GPOPT_CSerializablePlan_H
/ EOF
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