greenplumn CParseHandlerMDIndexInfoList 源码
greenplumn CParseHandlerMDIndexInfoList 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerMDIndexInfoList.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2017 VMware, Inc. or its affiliates.
//
// @filename:
// CParseHandlerMDIndexInfoList.h
//
// @doc:
// SAX parse handler class for parsing an indexinfo list
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerMDIndexInfoList_H
#define GPDXL_CParseHandlerMDIndexInfoList_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerMetadataObject.h"
#include "naucrates/md/IMDIndex.h"
#include "naucrates/md/IMDRelation.h"
namespace gpdxl
{
using namespace gpos;
using namespace gpmd;
using namespace gpnaucrates;
XERCES_CPP_NAMESPACE_USE
// parse handler class for parsing indexinfo list
class CParseHandlerMDIndexInfoList : public CParseHandlerBase
{
private:
// list of indexinfo
CMDIndexInfoArray *m_mdindex_info_array;
// 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:
CParseHandlerMDIndexInfoList(const CParseHandlerMDIndexInfoList &) = delete;
// ctor
CParseHandlerMDIndexInfoList(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
// dtor
~CParseHandlerMDIndexInfoList() override;
// returns array of indexinfo
CMDIndexInfoArray *GetMdIndexInfoArray();
};
} // namespace gpdxl
#endif // !GPDXL_CParseHandlerMDIndexInfoList_H
// EOF
相关信息
相关文章
greenplumn CParseHandlerAgg 源码
greenplumn CParseHandlerAppend 源码
greenplumn CParseHandlerArray 源码
greenplumn CParseHandlerAssert 源码
greenplumn CParseHandlerBase 源码
greenplumn CParseHandlerBroadcastMotion 源码
greenplumn CParseHandlerCTEConfig 源码
greenplumn CParseHandlerCTEList 源码
0
赞