|
public static Read ( SqlDataReader dataReader, bool isStreamSupported, CancellationToken cancellationToken = default ) : Task |
||
| dataReader | SqlDataReader | |
| isStreamSupported | bool | |
| cancellationToken | CancellationToken | |
| return | Task |
|
async Task <MessageReadResult> ReadMessage(SqlCommand command, CancellationToken cancellationToken)
{
var behavior = CommandBehavior.SingleRow;
if (isStreamSupported)
{
behavior |= CommandBehavior.SequentialAccess;
}
using (var dataReader = await command.ExecuteReaderAsync(behavior, cancellationToken).ConfigureAwait(false))
{
if (!await dataReader.ReadAsync(cancellationToken).ConfigureAwait(false))
{
return(MessageReadResult.NoMessage);
}
var readResult = await MessageRow.Read(dataReader, isStreamSupported, cancellationToken).ConfigureAwait(false);
//HINT: Reading all pending results makes sure that any query execution error,
// sent after the first result, are thrown by the SqlDataReader as SqlExceptions.
// More details in: https://github.com/DapperLib/Dapper/issues/1210
while (await dataReader.ReadAsync(cancellationToken).ConfigureAwait(false))
{
}
while (await dataReader.NextResultAsync(cancellationToken).ConfigureAwait(false))
{
}
return(readResult);
}
}
async Task <MessageReadResult> ReadMessage(SqlCommand command, CancellationToken cancellationToken)
{
var behavior = CommandBehavior.SingleRow;
if (isStreamSupported)
{
behavior |= CommandBehavior.SequentialAccess;
}
using (var dataReader = await command.ExecuteReaderAsync(behavior, cancellationToken).ConfigureAwait(false))
{
if (!await dataReader.ReadAsync(cancellationToken).ConfigureAwait(false))
{
return(MessageReadResult.NoMessage);
}
return(await MessageRow.Read(dataReader, isStreamSupported, cancellationToken).ConfigureAwait(false));
}
}
