greenplumn CParseHandlerMDRelationExternal 源码
greenplumn CParseHandlerMDRelationExternal 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerMDRelationExternal.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2013 EMC Corp.
//
// @filename:
// CParseHandlerMDRelationExternal.h
//
// @doc:
// SAX parse handler class for external relation metadata
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerMDRelationExternal_H
#define GPDXL_CParseHandlerMDRelationExternal_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerMDRelation.h"
#include "naucrates/md/CMDRelationExternalGPDB.h"
namespace gpdxl
{
using namespace gpos;
using namespace gpmd;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @class:
// CParseHandlerMDRelationExternal
//
// @doc:
// Parse handler for external relation metadata
//
//---------------------------------------------------------------------------
class CParseHandlerMDRelationExternal : public CParseHandlerMDRelation
{
private:
// reject limit
INT m_reject_limit;
// reject limit in rows?
BOOL m_is_rej_limit_in_rows;
// format error table mdid
IMDId *m_mdid_fmt_err_table;
// distribution opfamilies parse handler
CParseHandlerBase *m_opfamilies_parse_handler;
// process the start of an element
void StartElement(
const XMLCh *const element_uri, // URI of element's namespace
const XMLCh *const element_local_name, // local part of element's name
const XMLCh *const element_qname, // element's qname
const Attributes &attr // element's attributes
) override;
// process the end of an element
void EndElement(
const XMLCh *const element_uri, // URI of element's namespace
const XMLCh *const element_local_name, // local part of element's name
const XMLCh *const element_qname // element's qname
) override;
public:
CParseHandlerMDRelationExternal(const CParseHandlerMDRelationExternal &) =
delete;
// ctor
CParseHandlerMDRelationExternal(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
};
} // namespace gpdxl
#endif // !GPDXL_CParseHandlerMDRelationExternal_H
// EOF
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