greenplumn CParseHandlerDynamicTableScan 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerDynamicTableScan.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2012 EMC Corp.
/
/ @filename:
/ CParseHandlerDynamicTableScan.h
/
/ @doc:
/ SAX parse handler class for parsing dynamic table scan operator nodes
/---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerDynamicTableScan_H
#define GPDXL_CParseHandlerDynamicTableScan_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerPhysicalOp.h"
namespace gpdxl
{
using namespace gpos;
XERCES_CPP_NAMESPACE_USE
/ fwd decl
class CDXLPhysicalDynamicTableScan;
/---------------------------------------------------------------------------
/ @class:
/ CParseHandlerDynamicTableScan
/
/ @doc:
/ Parse handler for parsing a dynamic table scan operator
/
/---------------------------------------------------------------------------
class CParseHandlerDynamicTableScan : public CParseHandlerPhysicalOp
{
private:
ULongPtrArray *m_selector_ids;
/ 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:
CParseHandlerDynamicTableScan(const CParseHandlerDynamicTableScan &) =
delete;
/ ctor
CParseHandlerDynamicTableScan(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *pph);
};
} / namespace gpdxl
#endif / !GPDXL_CParseHandlerDynamicTableScan_H
/ EOF
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