greenplumn CParseHandlerMetadataObject 源码
greenplumn CParseHandlerMetadataObject 代码
文件路径:/src/backend/gporca/libnaucrates/src/parser/CParseHandlerMetadataObject.cpp
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 Greenplum, Inc.
//
// @filename:
// CParseHandlerMetadataObject.cpp
//
// @doc:
// Implementation of the base SAX parse handler class for parsing metadata objects.
//---------------------------------------------------------------------------
#include "naucrates/dxl/parser/CParseHandlerMetadataObject.h"
#include "naucrates/dxl/operators/CDXLOperatorFactory.h"
#include "naucrates/dxl/parser/CParseHandlerFactory.h"
using namespace gpdxl;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @function:
// CParseHandlerMetadataObject::CParseHandlerMetadataObject
//
// @doc:
// Constructor
//
//---------------------------------------------------------------------------
CParseHandlerMetadataObject::CParseHandlerMetadataObject(
CMemoryPool *mp, CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root)
: CParseHandlerBase(mp, parse_handler_mgr, parse_handler_root),
m_imd_obj(nullptr)
{
}
//---------------------------------------------------------------------------
// @function:
// CParseHandlerMetadataObject::~CParseHandlerMetadataObject
//
// @doc:
// Destructor
//
//---------------------------------------------------------------------------
CParseHandlerMetadataObject::~CParseHandlerMetadataObject()
{
CRefCount::SafeRelease(m_imd_obj);
}
//---------------------------------------------------------------------------
// @function:
// CParseHandlerMetadataObject::GetImdObj
//
// @doc:
// Returns the constructed metadata object.
//
//---------------------------------------------------------------------------
IMDCacheObject *
CParseHandlerMetadataObject::GetImdObj() const
{
return m_imd_obj;
}
// EOF
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