internal static void CreateDatabaseFile(ConnectionManager connectionManager, string filePath)
{
IDbConnection connection = connectionManager.BuildMasterConnection();
connection.Open();
try
{
string str = Path.GetFileNameWithoutExtension(filePath).Replace("]", "]]").Replace("'", "''");
filePath = Path.GetFullPath(filePath).Replace("'", "''''");
try
{
IDbCommand command = CreateCommand(connectionManager, connection);
command.CommandText = string.Format(CultureInfo.InvariantCulture, "DECLARE @databaseName sysname\nSET @databaseName = CONVERT(sysname, NEWID())\nWHILE EXISTS (SELECT name FROM sys.databases WHERE name = @databaseName)\nBEGIN\n\tSET @databaseName = CONVERT(sysname, NEWID())\nEND\nSET @databaseName = '[' + @databaseName + ']'\nDECLARE @sqlString nvarchar(MAX)\nSET @sqlString = 'CREATE DATABASE ' + @databaseName + N' ON ( NAME = [{0}], FILENAME = N''{1}'')'\nEXEC sp_executesql @sqlString\nSET @sqlString = 'ALTER DATABASE ' + @databaseName + ' SET AUTO_SHRINK ON'\nEXEC sp_executesql @sqlString\nSET @sqlString = 'ALTER DATABASE ' + @databaseName + ' SET OFFLINE WITH ROLLBACK IMMEDIATE'\nEXEC sp_executesql @sqlString\nSET @sqlString = 'EXEC sp_detach_db ' + @databaseName\nEXEC sp_executesql @sqlString", new object[] { str, filePath });
command.ExecuteNonQuery();
}
catch (Exception exception)
{
throw new Exception("An error occurred while creating a new DB file: " + Environment.NewLine + exception.ToString());
}
}
finally
{
connection.Close();
}
}
internal static void DetachDatabase(string database)
{
ConnectionOptions connectionOptions = new ConnectionOptions();
ConnectionManager connectionManager = new ConnectionManager();
connectionManager.Initialize(connectionOptions);
if (string.IsNullOrEmpty(database))
{
throw new Exception("Detach requires a file path or database name (within brackets).");
}
bool flag = false;
DatabaseIdentifier identifier = DatabaseIdentifier.Parse(database);
database = identifier.Value;
if (identifier.IsDatabaseName)
{
if (string.IsNullOrEmpty(database))
{
throw new Exception("Invalid database name specified.");
}
}
else
{
if (database.EndsWith("*"))
{
database = database.Substring(0, database.Length - 1);
flag = true;
}
database = PathUtil.EnsureFullPath(database);
}
IDbConnection connection = connectionManager.BuildMasterConnection();
connection.Open();
try
{
List<DatabaseInfo> list = DataUtil.BuildDatabaseInfoList(connectionManager, connection);
if (list != null)
{
bool flag2 = false;
foreach (DatabaseInfo info in list)
{
bool flag3 = false;
try
{
if (identifier.IsDatabaseName)
{
if (string.Equals(database, info.Name, StringComparison.OrdinalIgnoreCase))
{
flag3 = true;
}
}
else
{
string b = PathUtil.EnsureFullPath(info.Path);
if (flag)
{
if (b.StartsWith(database, StringComparison.OrdinalIgnoreCase))
{
flag3 = true;
}
}
else if (string.Equals(database, b, StringComparison.OrdinalIgnoreCase))
{
flag3 = true;
}
}
if (flag3 &&
(((string.Compare(info.Name, "master", StringComparison.OrdinalIgnoreCase) == 0) ||
(string.Compare(info.Name, "tempdb", StringComparison.OrdinalIgnoreCase) == 0)) ||
((string.Compare(info.Name, "model", StringComparison.OrdinalIgnoreCase) == 0) ||
(string.Compare(info.Name, "msdb", StringComparison.OrdinalIgnoreCase) == 0))))
{
Console.WriteLine("Warning: Not detaching system database '{0}'. Use SQL commands in the console to do it.",
info.Name);
flag3 = false;
}
}
catch
{
}
if (flag3)
{
DataUtil.DetachDatabase(connectionManager, connection, info.Name, false);
flag2 = true;
}
}
if (!flag2)
{
if (identifier.IsDatabaseName)
{
Console.WriteLine("No valid database name matches the value specified.");
}
else
{
Console.WriteLine("No valid database path matches the value specified.");
}
}
}
}
finally
{
connection.Close();
}
}