protected override DbDataReader ExecuteDbDataReader(CommandBehavior behavior)
{
string trimmedSql = CommandText.TrimStart(null);
if (CommandType == CommandType.Text &&
!trimmedSql.StartsWith("SELECT ", StringComparison.InvariantCultureIgnoreCase) &&
!trimmedSql.StartsWith("CALL ", StringComparison.InvariantCultureIgnoreCase) &&
!trimmedSql.StartsWith("EXECUTE ", StringComparison.InvariantCultureIgnoreCase))
{
#if DEBUG
System.Diagnostics.Trace.WriteLine("The statement is not a SELECT: redirecting to ExecuteNonQuery");
#endif
// If the command was already prepared, it will be prepared again, in order to enable the generatingKeys option
int count = ExecuteUpdate(true);
NuoDbDataReader reader = generatedKeys != null ? generatedKeys : new NuoDbDataReader(connection, -1, null, this, false);
reader.UpdatedRecords = count;
return(reader);
}
#if DEBUG
System.Diagnostics.Trace.WriteLine("NuoDbCommand.ExecuteDbDataReader(" + CommandText + ", " + behavior + ")");
#endif
checkConnection();
EnsureStatement(false);
EncodedDataStream dataStream = new RemEncodedStream(connection.InternalConnection.protocolVersion);
if (CommandType == CommandType.StoredProcedure)
{
InvokeStoredProcedure(false);
dataStream.startMessage(Protocol.GetResultSet);
dataStream.encodeInt(handle);
connection.InternalConnection.sendAndReceive(dataStream);
return(createResultSet(dataStream, true));
}
bool readColumnNames = true;
if (isPrepared)
{
dataStream.startMessage(Protocol.ExecutePreparedQuery);
dataStream.encodeInt(handle);
putParameters(dataStream);
if (connection.InternalConnection.protocolVersion >= Protocol.PROTOCOL_VERSION8)
{
/* if (columnNames != null)
* {
* dataStream.encodeInt(Protocol.SkipColumnNames);
* readColumnNames = false;
* }
* else */
{
dataStream.encodeInt(Protocol.SendColumnNames);
}
}
}
else
{
dataStream.startMessage(Protocol.ExecuteQuery);
dataStream.encodeInt(handle);
dataStream.encodeString(CommandText);
}
connection.InternalConnection.sendAndReceive(dataStream);
return(createResultSet(dataStream, readColumnNames));
}
