?? btnode.h
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// -*- Mode: C++ -*-
// BTnode.h
//
// Copyright (c) 1996, Regents of the University of California
// $Header: /cvsroot/fastdb/fastdb/GiST/BTree/BTnode.h,v 1.1 2007/07/18 20:45:45 knizhnik Exp $
#ifndef BTNODE_H
#define BTNODE_H
#include "BTentry.h"
class BTnode : public GiSTnode {
public:
// constructors, destructors, etc.
GiSTobjid IsA() const { return BTNODE_CLASS; }
GiSTobject *Copy() const { return new BTnode(*this); }
// two of the basic GiST methods
GiSTentry* Union() const;
// required support methods
GiSTentry *CreateEntry() const { return new BTentry; }
// members we are overriding for special cases
void Insert(const GiSTentry &entry);
void InsertBefore(const GiSTentry &entry, int index);
void Coalesce(const GiSTnode& node, const GiSTentry& entry);
};
#endif
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