// TODO: Why was this made to return a bool?
internal async ValueTask <bool> ReadUntilData(
bool async, CancellationToken cancellationToken)
{
CheckIsClosed();
// https://www.postgresql.org/docs/10/static/protocol-flow.html#idm46428663987712
while (true)
{
cancellationToken.ThrowIfCancellationRequested();
var message = await _connection
.ReadNextMessage(async, cancellationToken)
.ConfigureAwait(false);
switch (message)
{
case ParseCompleteMessage parseCompleteMessage:
// TODO: Do something?
continue;
case BindCompleteMessage bindCompleteMessage:
// TODO: Do something?
continue;
case NoDataMessage noDataMessage:
_hasNoData = true;
return(false);
case RowDescriptionMessage descriptionMessage:
_descriptionMessage?.TryDispose();
_fieldCount = descriptionMessage.FieldCount;
_descriptionMessage = descriptionMessage;
return(true);
default:
throw new PostgresInvalidMessageException(message);
}
}
}
