select.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_SELECT_H_
#define  _SWATDB_SELECT_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;
 
class Select : public Operation {
 
  public:
 
    Select(FileId rel_id, FileId result_id, std::vector<FieldId> fields,
           std::vector<Comp> comps, std::vector<void *> values, 
           Catalog *catalog);
 
    ~Select();
 
  protected:
    
    std::vector<FieldId> fields;
 
    std::vector<Comp> comps;
 
    std::vector<void *> values;
 
    /*
     * fileState struct for the file selected on 
     */
    fileState file_state;
    
};
 
#endif