/// <summary>
/// Ctr.
/// </summary>
/// <param name="connection">Parent connection</param>
/// <param name="inputStream">Incoming data stream from server</param>
/// <param name="holders">Array of holder objects that must be disposed when reader is closed</param>
public PqlDataReader(PqlDataConnection connection, BufferedReaderStream inputStream, params IDisposable[] holders)
{
m_protocolUtility = new PqlProtocolUtility(connection, inputStream, holders);
try
{
m_reader = inputStream.MyReader;
m_scheme = m_protocolUtility.ReadResponseHeaders(inputStream);
if (m_scheme.Fields != null && m_scheme.Fields.Length > 0)
{
m_currentRow = new RowData(m_scheme.Fields.Select(x => x.DataType).ToArray());
m_state = ReaderState.New;
}
else
{
m_state = ReaderState.Closed;
}
connection.SwitchToFetchingState();
}
catch
{
m_protocolUtility.Dispose();
throw;
}
}
/// <summary>
/// Releases the managed resources used by the <see cref="T:System.Data.Common.DbDataReader"/> and optionally releases the unmanaged resources.
/// </summary>
/// <param name="disposing">true to release managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
m_state = ReaderState.Closed;
if (m_protocolUtility != null)
{
var conn = m_protocolUtility.Connection;
try
{
m_protocolUtility.Dispose();
}
finally
{
if (conn != null && CloseConnection)
{
conn.Close();
}
}
}
}