private bool IsSqlEditionSupported(string connectionString)
{
var operation = new DbOperation(connectionString, "SELECT SERVERPROPERTY ( 'EngineEdition' )", _logger);
var edition = (int)operation.ExecuteScalar();
return(edition >= SqlEngineEdition.Standard && edition <= SqlEngineEdition.Express);
}
private bool IsSqlEditionSupported(string connectionString)
{
var operation = new DbOperation(connectionString, "SELECT SERVERPROPERTY ( 'EngineEdition' )", _trace);
var edition = (int)operation.ExecuteScalar();
return((edition >= SqlEngineEdition.Standard && edition <= SqlEngineEdition.Express) ||
edition == SqlEngineEdition.SqlAzureManagedInstance);
}
private void Receive(object state)
{
var tcs = (TaskCompletionSource <object>)state;
if (!_lastPayloadId.HasValue)
{
var lastPayloadIdOperation = new DbOperation(_connectionString, _maxIdSql, _trace)
{
TracePrefix = _tracePrefix
};
try
{
_lastPayloadId = (long?)lastPayloadIdOperation.ExecuteScalar();
Queried();
// Complete the StartReceiving task as we've successfully initialized the payload ID
tcs.TrySetResult(null);
}
catch (Exception ex)
{
tcs.TrySetException(ex);
return;
}
}
// NOTE: This is called from a BG thread so any uncaught exceptions will crash the process
lock (this)
{
if (_disposed)
{
return;
}
var parameter = _dbProviderFactory.CreateParameter();
parameter.ParameterName = "PayloadId";
parameter.Value = _lastPayloadId.Value;
_dbOperation = new ObservableDbOperation(_connectionString, _selectSql, _trace, parameter)
{
TracePrefix = _tracePrefix
};
}
_dbOperation.Queried += () => Queried();
_dbOperation.Faulted += ex => Faulted(ex);
_dbOperation.Changed += () =>
{
Trace.TraceInformation("{0}Starting receive loop again to process updates", _tracePrefix);
_dbOperation.ExecuteReaderWithUpdates(ProcessRecord);
};
_dbOperation.ExecuteReaderWithUpdates(ProcessRecord);
_trace.TraceWarning("{0}SqlReceiver.Receive returned", _tracePrefix);
}
