Method ReadColumn

client/column_decoder.go:288–308

(reader *bytes.Reader, dataType TSDataType, positionCount int32)

}

func (decoder *RunLengthColumnDecoder) ReadColumn(reader *bytes.Reader, dataType TSDataType, positionCount int32) (Column, error) {
	// Serialized data layout:
	//    +-----------+-------------------------+
	//    | encoding  | serialized inner column |
	//    +-----------+-------------------------+
	//    | byte      | list[byte]              |
	//    +-----------+-------------------------+
	columnEncoding, err := deserializeColumnEncoding(reader)
	if err != nil {
		return nil, err
	}
	columnDecoder, err := getColumnDecoder(columnEncoding)
	if err != nil {
		return nil, err
	}
	column, err := columnDecoder.ReadColumn(reader, dataType, 1)
	if err != nil {
		return nil, err
	}
	return NewRunLengthEncodedColumn(column, positionCount)
}