RowDecoder (presto-record-decoder 334 API)

All Known Implementing Classes:

AvroRowDecoder, CsvRowDecoder, DummyRowDecoder, JsonRowDecoder, RawRowDecoder
```
public interface RowDecoder
```
Implementations decode a row from bytes and add field value providers for all decodable columns.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Optional<java.util.Map<DecoderColumnHandle,FieldValueProvider>>`	`decodeRow(byte[] data, java.util.Map<java.lang.String,java.lang.String> dataMap)`	Decodes a given set of bytes into field values.

- Method Detail
  - decodeRow
```
java.util.Optional<java.util.Map<DecoderColumnHandle,FieldValueProvider>> decodeRow(byte[] data,
                                                                                          java.util.Map<java.lang.String,java.lang.String> dataMap)
```
    Decodes a given set of bytes into field values.
    
    Parameters:
    
    data - The row data to decode.
    
    dataMap - The row data as fields map
    
    Returns:
    
    Returns mapping from column handle to decoded value. Unmapped columns will be reported as null. Optional.empty() signals decoding error.