join.h

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/*
 * SwatDB
 *
 * @authors: See Contributors.doc for code contributors
 *
 * Copyright (c) 2020 Swarthmore College Computer Science Department
 * Swarthmore PA, Professors Tia Newhall, Ameet Soni
 */
 
#ifndef  _SWATDB_JOIN_H_
#define  _SWATDB_JOIN_H_
 
#include <string>
#include <vector>
#include "swatdb_types.h"
#include "operation.h"
 
 
class Catalog;
class Schema;
class File;
class RelationFile;
class HeapFile;
class HeapFileScanner;
class Record;
class Data;
class Key;
 
 
// @@@@ SWATDB_ASSIGNMENT: NOTEMSG Do not modify this definition
 
class Join : public Operation {
 
  public:
 
    Join(FileId outer_id, FileId inner_id, FileId result_id, 
        std::vector<FieldId> outer_fields, std::vector<FieldId> inner_fields,
        Catalog *catalog);
 
    ~Join();
 
 
   protected:
    /*
     * FileState struct for the outer relation 
     */
    fileState outer;
    
    /*
     * FileState struct for the inner relation 
     */
    fileState inner;
 
    std::vector<FieldId> outer_fields;
 
    std::vector<FieldId> inner_fields;
 
};
 
#endif