exec_engine.h

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#ifndef EXEC_ENGINE_H
#define EXEC_ENGINE_H
 
#include "share/data_t.h"
#include "hsql/SQLParser.h"
#include "catalog/catalog.h"
#include "record/record_manager.h"
 
class Exec_Engine{
public:
    Exec_Engine():index_manager(&bfm), catalog_manager(&bfm) ,record_manager(&bfm, &catalog_manager, &index_manager){};
 
    void createTable(std::string &table_name, Attribute &attr);
    
    void dropTable(std::string &table_name);
 
    void selectRecord(std::string &table_name, std::vector<std::string>& attr_names, std::vector<Where>& wheres, std::vector<MemoryTuple>& result); //recordManager
 
    void insertRecord(std::string &table_name, MemoryTuple &row);
 
    void createIndex(std::string &table_name, std::string &index_name, std::string &attr_name); //index_manager
 
    void dropIndex(std::string &index_name);
 
    void deleteRecord(std::string &table_name, std::vector<Where>& data);
 
    void updateRecord(std::string &table_name, std::vector<Where>& data);
 
    Attribute getTableAttributes(const std::string &table_name);
 
    void showTables(){
        catalog_manager.ShowAllTable();
    }
 
private:
    BufferManager bfm;
    RecordManager record_manager;
    CatalogManager catalog_manager;
    IndexManager index_manager;
};
 
#endif