greenplumn CAutoTraceFlag 代码
文件路径：/src/backend/gporca/libgpos/src/task/CAutoTraceFlag.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2011 EMC Corp.
/
/ @filename:
/ CAutoTraceFlag.cpp
/
/ @doc:
/ Auto object to toggle TF in scope
/---------------------------------------------------------------------------
#include "gpos/task/CAutoTraceFlag.h"
#include "gpos/base.h"
#include "gpos/error/CAutoTrace.h"
using namespace gpos;
/---------------------------------------------------------------------------
/ @function:
/ CAutoTraceFlag::CAutoTraceFlag
/
/ @doc:
/ ctor
/
/---------------------------------------------------------------------------
CAutoTraceFlag::CAutoTraceFlag(ULONG trace, BOOL orig)
: m_trace(trace), m_orig(false)
{
GPOS_ASSERT(nullptr != ITask::Self());
m_orig = ITask::Self()->SetTrace(m_trace, orig);
}
/---------------------------------------------------------------------------
/ @function:
/ CAutoTraceFlag::~CAutoTraceFlag
/
/ @doc:
/ dtor
/
/---------------------------------------------------------------------------
CAutoTraceFlag::~CAutoTraceFlag()
{
GPOS_ASSERT(nullptr != ITask::Self());
/ reset original value
ITask::Self()->SetTrace(m_trace, m_orig);
}
/ EOF
相关信息
相关文章
greenplumn CAutoSuspendAbort 源码
greenplumn CTaskLocalStorage 源码
greenplumn CTaskSchedulerFifo 源码