public static IDbCommand CreateCommand(string query, BulkTransaction transaction)
{
try {
return(transaction.CreateCommand(query));
} catch (Exception e) {
System.IO.File.AppendAllText("MySQL_error.log", DateTime.Now + " " + query + "\r\n");
Server.ErrorLog(e);
return(null);
}
}
internal static void fillDatabase(Stream stream)
{
//Backup
using (FileStream backup = File.Create("backup.sql"))
{
CopyDatabase(new StreamWriter(backup));
}
//Delete old
List <string> tables = getTables();
foreach (string name in tables)
{
executeQuery(String.Format("DROP TABLE `{0}`", name));
}
//Make new
string script = new StreamReader(stream).ReadToEnd();
string[] cmds = script.Split(';');
StringBuilder sb = new StringBuilder();
using (BulkTransaction helper = BulkTransaction.Create())
{
foreach (string cmd in cmds)
{
String newCmd = cmd.Trim(" \r\n\t".ToCharArray());
int index = newCmd.ToUpper().IndexOf("CREATE TABLE");
if (index > -1)
{
newCmd = newCmd.Remove(0, index);
//Do we have a primary key?
try
{
if (Server.useMySQL)
{
int priIndex = newCmd.ToUpper().IndexOf(" PRIMARY KEY AUTOINCREMENT");
int priCount = " PRIMARY KEY AUTOINCREMENT".Length;
int attIdx = newCmd.Substring(0, newCmd.Substring(0, priIndex - 1).LastIndexOfAny("` \n".ToCharArray())).LastIndexOfAny("` \n".ToCharArray()) + 1;
int attIdxEnd = newCmd.IndexOfAny("` \n".ToCharArray(), attIdx) - 1;
string attName = newCmd.Substring(attIdx, attIdxEnd - attIdx + 1).Trim(' ', '\n', '`', '\r');
//For speed, we just delete this, and add it to the attribute name, then delete the auto_increment clause.
newCmd = newCmd.Remove(priIndex, priCount);
newCmd = newCmd.Insert(newCmd.LastIndexOf(")"), ", PRIMARY KEY (`" + attName + "`)");
newCmd = newCmd.Insert(newCmd.IndexOf(',', priIndex), " AUTO_INCREMENT");
}
else
{
int priIndex = newCmd.ToUpper().IndexOf(",\r\nPRIMARY KEY");
int priIndexEnd = newCmd.ToUpper().IndexOf(')', priIndex);
int attIdx = newCmd.IndexOf("(", priIndex) + 1;
int attIdxEnd = priIndexEnd - 1;
string attName = newCmd.Substring(attIdx, attIdxEnd - attIdx + 1);
newCmd = newCmd.Remove(priIndex, priIndexEnd - priIndex + 1);
int start = newCmd.IndexOf(attName) + attName.Length;
int end = newCmd.IndexOf(',');
newCmd = newCmd.Remove(start, end - start);
newCmd = newCmd.Insert(newCmd.IndexOf(attName) + attName.Length, " INTEGER PRIMARY KEY AUTOINCREMENT");
newCmd = newCmd.Replace(" auto_increment", "").Replace(" AUTO_INCREMENT", "").Replace("True", "1").Replace("False", "0");
}
}
catch (ArgumentOutOfRangeException) { } // If we don't, just ignore it.
}
//Run the command in the transaction.
helper.Execute(newCmd.Replace(" unsigned", "").Replace(" UNSIGNED", "") + ";");
// sb.Append(newCmd).Append(";\n");
}
helper.Commit();
}
//Not sure if order matters.
//AUTO_INCREMENT is changed to AUTOINCREMENT for MySQL -> SQLite
//AUTOINCREMENT is changed to AUTO_INCREMENT for SQLite -> MySQL
// All we should have in the script file is CREATE TABLE and INSERT INTO commands.
//executeQuery(sb.ToString().Replace(" unsigned", "").Replace(" UNSIGNED", ""));
}