}
		return nil, errParquetParsingError(err)
	}

	kvs := jstream.KVS{}
	for _, col := range pr.r.Columns() {

		var value interface{}
		if v, ok := nextRow[col.FlatName()]; ok {
			value, err = convertFromAnnotation(col.Element(), v)
			if err != nil {
				return nil, errParquetParsingError(err)
			}
		}
		kvs = append(kvs, jstream.KV{Key: col.FlatName(), Value: value})
	}

	// Reuse destination if we can.

		}
		return nil, io.EOF
	}

	var kvs jstream.KVS
	if v.ValueType == jstream.Object {
		// This is a JSON object type (that preserves key
		// order)
		kvs = v.Value.(jstream.KVS)
	} else {
		// To be AWS S3 compatible Select for JSON needs to
		// output non-object JSON as single column value
		// i.e. a map with `_1` as key and value as the
		// non-object.
		kvs = jstream.KVS{jstream.KV{Key: "_1", Value: v.Value}}
	}

	bufferPool   sync.Pool        // pool of []byte objects for input
	csvDstPool   sync.Pool        // pool of [][]string used for output
	close        chan struct{}    // used for shutting down the splitter before end of stream
	readerWg     sync.WaitGroup   // used to keep track of async reader.
}

// queueItem is an item in the queue.
type queueItem struct {
	input []byte          // raw input sent to the worker

	"github.com/minio/minio/internal/s3select/sql"
	"github.com/minio/simdjson-go"
)

// Reader - JSON record reader for S3Select.
type Reader struct {
	args    *json.ReaderArgs
	input   chan simdjson.Stream
	decoded chan simdjson.Object

	// err will only be returned after decoded has been closed.
	err          *error
	readCloser   io.ReadCloser
	onReaderExit func()

	exitReader chan struct{}