greenplumn CParseHandlerLogicalCTAS 源码
greenplumn CParseHandlerLogicalCTAS 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerLogicalCTAS.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2014 VMware, Inc. or its affiliates
//
// @filename:
// CParseHandlerLogicalCTAS.h
//
// @doc:
// Parse handler for parsing a logical CTAS operator
//
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerLogicalCTAS_H
#define GPDXL_CParseHandlerLogicalCTAS_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerLogicalOp.h"
#include "naucrates/md/IMDRelation.h"
namespace gpdxl
{
using namespace gpos;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @class:
// CParseHandlerLogicalCTAS
//
// @doc:
// Parse handler for parsing a logical CTAS operator
//
//---------------------------------------------------------------------------
class CParseHandlerLogicalCTAS : public CParseHandlerLogicalOp
{
private:
// mdid
IMDId *m_mdid;
// schema name
CMDName *m_mdname_schema;
// table name
CMDName *m_mdname;
// list of distribution column positions
ULongPtrArray *m_distr_column_pos_array;
// list of source column ids
ULongPtrArray *m_src_colids_array;
// list of vartypmod
IntPtrArray *m_vartypemod_array;
// is this a temporary table
BOOL m_is_temp_table;
// distribution policy
IMDRelation::Ereldistrpolicy m_rel_distr_policy;
// storage type
IMDRelation::Erelstoragetype m_rel_storage_type;
// 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:
CParseHandlerLogicalCTAS(const CParseHandlerLogicalCTAS &) = delete;
// ctor
CParseHandlerLogicalCTAS(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
};
} // namespace gpdxl
#endif // !GPDXL_CParseHandlerLogicalCTAS_H
// EOF
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