internal static async Task UpdateModelAsync(OracleConnection connection, string currentSchema, bool suppressException, CancellationToken cancellationToken, params IModelDataProvider[] updaters)
{
using (var command = connection.CreateCommand())
{
command.BindByName = true;
OracleTransaction transaction = null;
try
{
foreach (var updater in updaters)
{
command.ResetParametersToAvoidOdacBug();
command.CommandText = String.Empty;
command.CommandType = CommandType.Text;
updater.InitializeCommand(command);
try
{
if (updater.IsValid)
{
if (connection.State == ConnectionState.Closed)
{
await connection.OpenAsynchronous(cancellationToken);
connection.ModuleName = "SQLPad backround";
connection.ActionName = "Model data provider";
if (!String.IsNullOrEmpty(currentSchema))
{
using (var setSchemaCommand = connection.CreateCommand())
{
await setSchemaCommand.SetCurrentSchema(currentSchema, cancellationToken);
}
}
transaction = connection.BeginTransaction();
}
if (updater.HasScalarResult)
{
var result = await command.ExecuteScalarAsynchronous(cancellationToken);
updater.MapScalarValue(result);
}
else
{
using (var reader = await command.ExecuteReaderAsynchronous(CommandBehavior.Default, cancellationToken))
{
await updater.MapReaderData(reader, cancellationToken);
}
}
}
}
catch (OracleException exception)
{
if (exception.Number == (int)OracleErrorCode.UserInvokedCancellation)
{
break;
}
throw;
}
}
}
catch (Exception e)
{
TraceLog.WriteLine($"Update model failed: {e}");
if (!suppressException)
{
throw;
}
}
finally
{
if (transaction != null)
{
await transaction.RollbackAsynchronous();
transaction.Dispose();
}
}
}
}