66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2012, University in Hagen
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Faculty of Mathematic and 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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*/
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#ifndef RELATIONINFO_H_
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#define RELATIONINFO_H_
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#include <string>
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#include <vector>
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#include "NestedList.h"
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//------------------------------------------------------------------
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namespace pgraph2
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{
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class AttrInfo
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{
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public:
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int Index=-1;
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bool Indexed=false;
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std::string Name;
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std::string TypeName;
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std::string GetStringVal(Tuple *tuple);
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};
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//------------------------------------------------------------------
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class RelationSchemaInfo
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{
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std::vector<AttrInfo*> Attributes;
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public:
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~RelationSchemaInfo();
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RelationSchemaInfo();
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RelationSchemaInfo(ListExpr relation);
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void LoadFromList(ListExpr relation);
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AttrInfo* GetAttrInfo(std::string Name);
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AttrInfo* GetAttrInfo(int index);
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int GetAttrCount();
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void Dump();
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};
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} // namespace
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#endif // PGRAPH_UTILS_H_
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