greenplumn CAutoTrace 代码
文件路径：/src/backend/gporca/libgpos/include/gpos/error/CAutoTrace.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CAutoTrace.h
/
/ @doc:
/ Auto object for creating trace messages
/---------------------------------------------------------------------------
#ifndef GPOS_CAutoTrace_H
#define GPOS_CAutoTrace_H
#include "gpos/base.h"
#include "gpos/common/CStackObject.h"
#include "gpos/io/COstreamString.h"
#include "gpos/string/CWStringDynamic.h"
namespace gpos
{
/---------------------------------------------------------------------------
/ @class:
/ CAutoTrace
/
/ @doc:
/ Auto object for creating trace messages;
/ creates a stream over a dynamic string and uses it to print objects;
/ at destruction the string is written to the log as a trace msg;
/
/---------------------------------------------------------------------------
class CAutoTrace : public CStackObject
{
private:
/ dynamic string buffer
CWStringDynamic m_wstr;
/ string stream
COstreamString m_os;
public:
CAutoTrace(const CAutoTrace &) = delete;
/ ctor
explicit CAutoTrace(CMemoryPool *mp);
/ dtor
~CAutoTrace();
/ stream accessor
IOstream &
Os()
{
return m_os;
}
}; / class CAutoTrace
} / namespace gpos
#endif / !GPOS_CAutoTrace_H
/ EOF
相关信息
相关文章
greenplumn CAutoExceptionStack 源码