121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
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/*
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SECONDO_SPATIALJOINCOLUMNLOCALINFO_H
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#define SECONDO_SPATIALJOINCOLUMNLOCALINFO_H
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#include "Algebras/CRel/TBlock.h"
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#include "tupleBlockStr.h"
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class TupleType;
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namespace CRelAlgebra {
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class TBlockEntry;
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class TBlock;
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}
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namespace mmrtreetouch {
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class RTreeTouchCol;
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}
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extern NestedList* nl;
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extern QueryProcessor *qp;
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class SpatialJoinColumnLocalInfo
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{
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private:
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TupleType* tt;
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Word firstStreamWord;
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Word secondStreamWord;
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int _firstStreamIndex;
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int _secondStreamIndex;
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std::vector<const CRelAlgebra::TBlock*> fTBlockVector;
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std::vector<const CRelAlgebra::TBlock*> sTBlockVector;
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const CRelAlgebra::TBlockTI rTBlockTypeInfo;
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const CRelAlgebra::PTBlockInfo rTBlockInfo;
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uint64_t rTBlockSize;
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std::vector<mmrtreetouch::tupleBlockStr> bts;
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std::vector<mmrtreetouch::tupleBlockStr> btsB;
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CRelAlgebra::AttrArrayEntry* tuple;
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CRelAlgebra::TBlock* tempTBlock;
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void getAllTuplesFromStreamA(
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Word stream
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);
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void getAllTuplesFromStreamB(
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Word stream
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);
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std::vector<mmrtreetouch::tupleBlockStr> createTupleBlockStrVectorA(
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const uint64_t &joinIndex
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);
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std::vector<mmrtreetouch::tupleBlockStr> createTupleBlockStrVectorB(
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const uint64_t &joinIndex
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);
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std::vector<CRelAlgebra::TBlock *> matchingVector;
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void addtupleBlockStrToTBlock(
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std::pair<mmrtreetouch::tupleBlockStr ,
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mmrtreetouch::tupleBlockStr > btPair,
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const size_t fNumColumns,
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const size_t sNumColumns
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);
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void assignTuplesB(std::vector<mmrtreetouch::tupleBlockStr> BBTs);
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void findMatchings();
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public:
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mmrtreetouch::RTreeTouchCol * rtree;
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SpatialJoinColumnLocalInfo(
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Word firstStreamWordParam,
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Word secondStreamWordParam,
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int fanout,
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int numOfItemsInBucket,
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int cellFactor,
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int firstStreamWordIndex,
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int secondStreamWordIndex,
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ListExpr ttl,
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Supplier s
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);
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~SpatialJoinColumnLocalInfo();
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std::stringstream ss;
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CRelAlgebra::TBlock* NextResultTBlock();
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};
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#endif //SECONDO_SPATIALJOINCOLUMNLOCALINFO_H
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