greenplumn CParseHandlerScalarSwitchCase 源码
greenplumn CParseHandlerScalarSwitchCase 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerScalarSwitchCase.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2012 EMC Corp.
//
// @filename:
// CParseHandlerScalarSwitchCase.h
//
// @doc:
//
// SAX parse handler class for parsing a SwitchCase operator
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerScalarSwitchCase_H
#define GPDXL_CParseHandlerScalarSwitchCase_H
#include "gpos/base.h"
#include "naucrates/dxl/operators/CDXLScalarSwitchCase.h"
#include "naucrates/dxl/parser/CParseHandlerScalarOp.h"
namespace gpdxl
{
using namespace gpos;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @class:
// CParseHandlerScalarSwitchCase
//
// @doc:
// Parse handler for parsing a SwitchCase operator
//
//---------------------------------------------------------------------------
class CParseHandlerScalarSwitchCase : public CParseHandlerScalarOp
{
private:
// process the start of an element
void StartElement(const XMLCh *const element_uri,
const XMLCh *const element_local_name,
const XMLCh *const element_qname,
const Attributes &attr) override;
// process the end of an element
void EndElement(const XMLCh *const element_uri,
const XMLCh *const element_local_name,
const XMLCh *const element_qname) override;
public:
CParseHandlerScalarSwitchCase(const CParseHandlerScalarSwitchCase &) =
delete;
// ctor
CParseHandlerScalarSwitchCase(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
};
} // namespace gpdxl
#endif // !GPDXL_CParseHandlerScalarSwitchCase_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
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦