Is it possible to set the fetch size for NHibernate?

When retrieving rows from an oracle database using ODP.NET, I can specify the FetchSize parameter, which is the number of bytes that will be retrieved in one round-trip to the database.

Is it possible to set a FetchSize (or equivalent) for NHibernate? If so, how is this done?

If not, is there a开发者_StackOverflow default size that it retrieves?

Thanks!

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Subclass NHibernate.Driver.OracleDataClientDriver and override CreateCommand:

public override IDbCommand CreateCommand()
{
    var command = (OracleCommand)base.CreateCommand();
    command.FetchSize = desiredValue;
    return command;
}

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For completeness, you can also set this in the registry or in the machine.config, web.config, or app.config:

http://download.oracle.com/docs/html/E10927_01/featConfig.htm