Kuro 6599e17a18 neue version für .net framework 4.6.2
unterstützung für app.config
2025-03-07 21:05:03 +01:00

134 lines
4.5 KiB
C#

using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
namespace ProgrammList.sql {
public class Mysql : SqlBaseAbstract {
public Boolean GetSingleLine(string pcid, string program, string version) {
Open(DB.MYSQL);
var command = mysqlcon.CreateCommand();
command.CommandText = @"SELECT * FROM list where PCID like "
+ pcid + " and DisplayName like "
+ program + " and DisplayVersion like " + version + ";";
var result = command.ExecuteReader().Read();
Close();
return result;
}
public void CheckTableExists() {
Open(DB.MYSQL);
var command = mysqlcon.CreateCommand();
command.CommandText = @"SHOW TABLES LIKE 'list';";
var name = command.ExecuteScalar();
if (name != null && name.ToString() == "list") {
return;
}
var cols = string.Join(" VARCHAR(255),", valuenames);
cols = cols + " Varchar(255)";
command.CommandText = "CREATE TABLE list (" + cols + ")";
command.ExecuteNonQuery();
Close();
}
public void InsertData(Dictionary<string, string> valuesqlCommand) {
Open(DB.MYSQL);
var transaction = mysqlcon.BeginTransaction();
string result = "";
for (int i = 0; i < valuenames.Length; i++) {
string val = "";
valuesqlCommand.TryGetValue(valuenames[i], out val);
result += val;
if (i < valuenames.Length - 1) {
result += ",";
}
}
var cols = string.Join(",", valuenames);
string sqlCommand = "INSERT INTO list(" + cols + ")" + "VALUES(" + result + ")";
var command = new MySqlCommand(sqlCommand, mysqlcon, transaction);
command.ExecuteNonQuery();
transaction.Commit();
Console.WriteLine(sqlCommand);
Close();
}
public void InsertOrUpdateData(Dictionary<string, string> value) {
string pcid = "";
value.TryGetValue("PCID", out pcid);
string displayName = "";
value.TryGetValue("DisplayName", out displayName);
string displayVersion = "";
value.TryGetValue("DisplayVersion", out displayVersion);
if (GetSingleLine(pcid, displayName, displayVersion)) {
UpdateData(value);
}
else {
InsertData(value);
}
}
public void UpdateData(Dictionary<string, string> value) {
Open(DB.MYSQL);
var transaction = mysqlcon.BeginTransaction();
string sqlCommand = @"Update list ";
string result = "set ";
for (int i = 0; i < valuenames.Length; i++) {
string val = "";
value.TryGetValue(valuenames[i], out val);
result += valuenames[i] + " = " + val;
if (i < valuenames.Length - 1) {
result += " ,";
}
}
sqlCommand = sqlCommand + result;
string pcid = "";
value.TryGetValue("PCID", out pcid);
string displayName = "";
value.TryGetValue("DisplayName", out displayName);
string displayVersion = "";
value.TryGetValue("DisplayVersion", out displayVersion);
sqlCommand = sqlCommand + " WHERE PCID = " + pcid +
" and DisplayName like " + displayName +
" and DisplayVersion like " + displayVersion;
var command = new MySqlCommand(sqlCommand, mysqlcon, transaction);
for (int i = 0; i < valuenames.Length; i++) {
if (valuenames[i] != "PCID") {
string itemValue = "";
value.TryGetValue(valuenames[i], out itemValue);
command.Parameters.AddWithValue("$" + valuenames[i], itemValue);
}
}
Console.WriteLine(sqlCommand);
command.ExecuteNonQuery();
transaction.Commit();
Close();
}
public void DeleteOldData(string hostname) {
Open(DB.MYSQL);
var command = mysqlcon.CreateCommand();
string sqlCommand = @"delete from list where PCID = '" + hostname + "';";
command.CommandText = sqlCommand;
command.ExecuteReader();
Close();
}
}
}