public async Task <int> Write(DbDataReader reader, Memory <byte> buffer, CancellationToken ct = default)
{
int rowCount = 0;
int pos = 0;
buffer.Span[pos++] = OpenBracket;
if (!await reader.ReadAsync(ct).ConfigureAwait(false))
{
return(0);
}
pos += _serializer.Write(reader, buffer.Span.Slice(pos, _bufferSize));
rowCount++;
while (await reader.ReadAsync(ct).ConfigureAwait(false))
{
buffer.Span[pos++] = Comma;
buffer.Span[pos++] = Newline;
pos += _serializer.Write(reader, buffer.Span.Slice(pos, _bufferSize));
rowCount++;
}
buffer.Span[pos] = CloseBracket;
return(rowCount);
}
public async Task <int> WriteSingle(DbDataReader reader, Memory <byte> buffer, CancellationToken ct = default)
{
if (await reader.ReadAsync(ct).ConfigureAwait(false))
{
return(_serializer.Write(reader, buffer.Span));
}
return(0);
}