}
	if len(partSizes) > 1 {
		asMultipart = true
	}

	checkRespErr := func(rec *httptest.ResponseRecorder, exp int) {
		t.Helper()
		if rec.Code != exp {
			b, err := io.ReadAll(rec.Body)
			t.Fatalf("Expected: %v, Got: %v, Body: %s, err: %v", exp, rec.Code, string(b), err)
		}
	}

	if !asMultipart {
		srcData := NewDummyDataGen(partSizes[0], 0)

	}
	_, rawVal := input.Raw()

	if format != "json" {
		return nil, errDataSource(errors.New("path not supported"))
	}
	switch rec := rawVal.(type) {
	case jstream.KVS:
		txedRec, _, err := jsonpathEval(e.selectAST.From.Table.PathExpr[1:], rec)
		if err != nil {
			return nil, err
		}

		var kvs jstream.KVS
		switch v := txedRec.(type) {
		case jstream.KVS:
			kvs = v

            return false;
        }

        EncryptionNegotiateContext rec = null;
        for ( NegotiateContextRequest rnc : req.getNegotiateContexts() ) {
            if ( rnc instanceof EncryptionNegotiateContext ) {
                rec = (EncryptionNegotiateContext) rnc;
            }
        }
        if ( rec == null ) {
            return false;
        }

        boolean valid = false;

		case "stat":
			{
				var zb0002 uint8
				zb0002, err = dc.ReadUint8()
				if err != nil {
					err = msgp.WrapError(err, "status")
					return
				}
				z.status = scanStatus(zb0002)
			}
		case "rec":
			z.recursive, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "recursive")
				return
			}
		case "v":
			z.dataVersion, err = dc.ReadUint8()
			if err != nil {

		return true
	}

	var rec sql.Record
OuterLoop:
	for {
		if s3Select.statement.LimitReached() {
			if !sendRecord() {
				break
			}
			if err = writer.Finish(s3Select.getProgress()); err != nil {
				// FIXME: log this error.
				err = nil
			}
			break
		}

		if rec, err = s3Select.recordReader.Read(rec); err != nil {
			if err != io.EOF {
				break
			}

func (c *Connection) readStream(ctx context.Context, conn net.Conn, cancel context.CancelCauseFunc) {
	defer func() {
		if rec := recover(); rec != nil {
			gridLogIf(ctx, fmt.Errorf("handleMessages: panic recovered: %v", rec))
			debug.PrintStack()
		}
		cancel(ErrDisconnected)
		c.connChange.L.Lock()

		defer func() {
			if rec := recover(); rec == logger.ErrCritical { // handle
				stack := debug.Stack()
				logger.Error("critical: \"%s %s\": %v\n%s", r.Method, r.URL, rec, string(stack))
				writeErrorResponse(r.Context(), w, errorCodes.ToAPIErr(ErrInternalError), r.URL)
				return
			} else if rec != nil {
				stack := debug.Stack()

	fr, err := parquetgo.NewFileReader(rsc)
	if err != nil {
		return nil, errParquetParsingError(err)
	}

	return &Reader{Closer: rsc, r: fr}, nil
}

func (pr *Reader) Read(dst sql.Record) (rec sql.Record, rerr error) {
	nextRow, err := pr.r.NextRow()
	if err != nil {
		if err == io.EOF {
			return nil, err
		}
		return nil, errParquetParsingError(err)
	}

	kvs := jstream.KVS{}

	if n <= 0 {
		return "", "", s, ErrHeader
	}

	// Extract everything between the space and the final newline.
	rec, nl, rem := rest[:n-1], rest[n-1:n], rest[n:]
	if nl != "\n" {
		return "", "", s, ErrHeader
	}

	// The first equals separates the key from the value.
	k, v, ok = strings.Cut(rec, "=")
	if !ok {
		return "", "", s, ErrHeader
	}

	if !validPAXRecord(k, v) {
		return "", "", s, ErrHeader

 *  * BER: Basic Encoding Rules.
 *
 * This class was implemented according to the [X.690 spec][[x690]], and under the advice of
 * [Lets Encrypt's ASN.1 and DER][asn1_and_der] guide.
 *
 * [x690]: https://www.itu.int/rec/T-REC-X.690
 * [asn1_and_der]: https://letsencrypt.org/docs/a-warm-welcome-to-asn1-and-der/
 */
internal class DerReader(source: Source) {
  private val countingSource: CountingSource = CountingSource(source)