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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