blockNLJ.h

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/*
 * SwatDB
 *
 * @authors: See Contributors.doc for code contributors
 *
 * Copyright (c) 2020, 2025 Swarthmore College Computer Science Department
 * Swarthmore PA, Professors Tia Newhall, Ameet Soni
 */
 
// @@@@ SWATDB_ASSIGNMENT: ADDTODODATE
 
#ifndef _SWATDB_BLOCKNLJOIN_H
#define  _SWATDB_BLOCKNLJOIN_H
 
#include <string>                                                               
#include <vector>                                                               
#include "swatdb_types.h"                                                       
#include "join.h"                                                               
 
class FileManager;                                                              
class Catalog;                                                                  
class Schema;                                                                   
class File;                                                                     
class RelationFile;                                                             
class HeapFile;                                                                 
class HeapFileScanner;                                                          
class Record;                                                                   
class Data;                                                                     
class Key;                                                                      
class SearchKeyFormat;                                                          
 
// @@@@ SWATDB_ASSIGNMENT: NOTEMSG Do not modify this definition, you may add private helper methods only
                                                                                
class BlockNLJ : public Join {                                                  
                                                                                
  public:                                                                       
 
    BlockNLJ(FileId outer_id, FileId inner_id, FileId result_id,                
        std::vector<FieldId> outer_fields, std::vector<FieldId> inner_fields,   
        std::uint32_t block_size, Catalog *catalog);                                           
                                                                                
    ~BlockNLJ();                                                                
                                                                                
    void runOperation();                                                        
                                                                                
    
  protected:
 
    /* size of the block to be used in the block nested loop join algorithm. */
    std::uint32_t block_size;
                                                                                
};      
 
#endif