Projects/Vocaluxe
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Some database converting changes

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Stephan Sundermann authored and Alexander Eckart committed 2012-02-27 01:26:37 +08:00
1 parent c055fe5e04
commit fbd2f2aee3
1 file changed
+29 -21
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Vocaluxe/Base/CDataBase.cs
+29 -21
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@@ -485,6 +485,32 @@ namespace Vocaluxe.Base
command.CommandText = "INSERT INTO Songs SELECT ID, Artist, Title, TimesPlayed from US_Songs";
command.ExecuteNonQuery();
CLog.LogError("The database has been converted but all non ASCII characters got lost in this process");
/* Unfortunately all SQLite Wrappers do convert data to UTF8 when interacting with the database, so converting cant be done in .Net,
* we might have to write a library in C++ which can convert data or just write a simple program to which converts the tables.
*/
//Now loop through all tables and convert from CP1252 to UTF8
//command.CommandText = "SELECT ID, Artist, Title from US_Songs";
//Create a DataTable containing the results
//DataTable results = new DataTable();
//SQLiteDataAdapter adapter = new SQLiteDataAdapter(command);
//adapter.Fill(results);
//foreach (DataRow row in results.Rows)
//{
// //FIXME: Convert Latin1(CP1252) to UTF8
// int id = Convert.ToInt32(row.ItemArray[0].ToString());
// string artist = row.ItemArray[1].ToString();
// //artist = Encoding.Unicode.GetString(Encoding.Convert(Encoding.GetEncoding(1252), Encoding.Unicode, Encoding.GetEncoding(1252).GetBytes(row.ItemArray[1].ToString())));
// string title = row.ItemArray[2].ToString();
// command.CommandText = "UPDATE Songs SET Artist ='" + artist + "', Title = '" + title + "'WHERE ID = " + id;
// command.ExecuteNonQuery();
//}
//Delete old tables after conversion
command.CommandText = "DROP TABLE US_Scores;";
command.ExecuteNonQuery();
@@ -492,27 +518,9 @@ namespace Vocaluxe.Base
command.CommandText = "DROP TABLE US_Songs;";
command.ExecuteNonQuery();
//Now loop through all tables and convert from CP1252 to UTF8
command.CommandText = "SELECT ID, Artist, Title from Songs";
//Create a DataTable containing the results
DataTable results = new DataTable();
SQLiteDataAdapter adapter = new SQLiteDataAdapter(command);
adapter.Fill(results);
foreach (DataRow row in results.Rows)
{
//FIXME: Convert Latin1(CP1252) to UTF8
int id = Convert.ToInt32(row.ItemArray[0].ToString());
string artist = row.ItemArray[1].ToString();
string title = row.ItemArray[2].ToString();
command.CommandText = "UPDATE Songs SET Artist ='" + artist + "', Title = '" + title + "'WHERE ID = " + id;
command.ExecuteNonQuery();
}
results.Dispose();
adapter.Dispose();
//results.Dispose();
//adapter.Dispose();
reader.Dispose();
command.Dispose();
connection.Close();