internal GridReader(IDbCommand command, IDataReader reader, Identity identity, DynamicParameters dynamicParams, CancellationToken cancel)
: this(command, reader, identity, dynamicParams)
{
this.cancel = cancel;
}
private async Task <IEnumerable <T> > ReadBufferedAsync <T>(int index, Func <IDataReader, object> deserializer, Identity typedIdentity)
{
//try
//{
var reader = (DbDataReader)this.reader;
List <T> buffer = new List <T>();
while (index == gridIndex && await reader.ReadAsync(cancel).ConfigureAwait(false))
{
buffer.Add((T)deserializer(reader));
}
if (index == gridIndex) // need to do this outside of the finally pre-C#6
{
await NextResultAsync().ConfigureAwait(false);
}
return(buffer);
//}
//finally // finally so that First etc progresses things even when multiple rows
//{
// if (index == gridIndex)
// {
// await NextResultAsync().ConfigureAwait(false);
// }
//}
}
public IEnumerable <T> ReadDeferred <T>(int index, Func <IDataReader, object> deserializer, Identity typedIdentity)
{
try
{
while (index == gridIndex && reader.Read())
{
yield return((T)deserializer(reader));
}
}
finally // finally so that First etc progresses things even when multiple rows
{
if (index == gridIndex)
{
NextResult();
}
}
}
