70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/**
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* @file dataManager.h
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* @author Miguel Muniz
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* @brief header file for dataManager.cpp contains the class declarations for the database, table and dataManager classes
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* Also contains the path variables used by the functions
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* @version 3.0
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* @date 2023-04-24
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*/
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#ifndef SQLMANAGER_H
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#define SQLMANAGER_H
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#define MAX 2
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#include <string>
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#include <filesystem>
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#include <iostream>
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#include <vector>
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//#include <ArryList.h>
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using namespace std;
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namespace fs = std::filesystem;
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static fs::path program_path_init = fs::current_path(); //gets current file path initial
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fs::path program_path = program_path_init; //creates a copy of the path and is used by the functions
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fs::path program_path_copy = program_path; //creates a copy of the path and is used by the functions
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class Database { //manages databases
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public:
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void CreateDB(string db_name);
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void DropDB(string db_name);
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void UseDB(string db_name);
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//fs::path GetPath() {return program_path;}
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};
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class Table { //manages tables
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public:
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void CreateTB(string tb_name, string data_type);
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void DropTB(string tb_name);
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void SelectTB(string tb_name);
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void AppendTB(string tb_name, string column, string data_type);
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};
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class DataManager { //manages data
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int recordsCount = 0; //counts the number of records
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int updateCount = 0; //counts the number of updates
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int deleteCount = 0; //counts the number of deletes
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unsigned int numColumns = 0; //number of columns
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unsigned int ColumnIndex = 0;//index of the column
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int target_pid = 0; //target pid
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int row_index = 1; //index of the row
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int pid_index = -1; // Index of the Pid column
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unsigned int target_column_index = 1; // Index of the target column
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vector<vector<string>> data; //vector of vectors to store the data
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public:
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void InsertData(string tb_name, string data_type);
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void DeleteData(string tb_name, string opperator, string column, string data_type);
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void UpdateData(string tb_name, string setColumn, string setValue, string targetColumn, string columnName);
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void SelectAllData();
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void innerJoin(vector<string> tb_name, vector<string> id, string target1, string target2);
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void outerJoin(vector<string> tb_name, vector<string> id, string target1, string target2);
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void SelectData(string tb_name, string column, string opperator, string column_target, string data_type);
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bool TableChecker(string tb_name);
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void query(string tb_name, string opperator, string column, string data_target);
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void getColumnIndex(string tb_name,string column, string data_target, bool pathReset);
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//vector<vector<string>> read_csv(string filename) {
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};
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#include "database.cpp"
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#include "table.cpp"
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#include "datamanager.cpp"
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#endif |