greenplumn CAutoTraceFlag 源码
greenplumn CAutoTraceFlag 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/task/CAutoTraceFlag.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2008 Greenplum, Inc.
//
// @filename:
// CAutoTraceFlag.h
//
// @doc:
// Auto wrapper to set/reset a traceflag for a scope
//---------------------------------------------------------------------------
#ifndef GPOS_CAutoTraceFlag_H
#define GPOS_CAutoTraceFlag_H
#include "gpos/base.h"
#include "gpos/common/CStackObject.h"
#include "gpos/task/ITask.h"
#include "gpos/task/traceflags.h"
namespace gpos
{
//---------------------------------------------------------------------------
// @class:
// CAutoTraceFlag
//
// @doc:
// Auto wrapper;
//
//---------------------------------------------------------------------------
class CAutoTraceFlag : public CStackObject
{
private:
// traceflag id
ULONG m_trace;
// original value
BOOL m_orig;
public:
CAutoTraceFlag(const CAutoTraceFlag &) = delete;
// ctor
CAutoTraceFlag(ULONG trace, BOOL orig);
// dtor
virtual ~CAutoTraceFlag();
}; // class CAutoTraceFlag
} // namespace gpos
#endif // !GPOS_CAutoTraceFlag_H
// EOF
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