DecodeToDatumMap decodes byte slices to datum map.
(rowData []byte, row map[int64]types.Datum)
| 69 | |
| 70 | // DecodeToDatumMap decodes byte slices to datum map. |
| 71 | func (decoder *DatumMapDecoder) DecodeToDatumMap(rowData []byte, row map[int64]types.Datum) (map[int64]types.Datum, error) { |
| 72 | if row == nil { |
| 73 | row = make(map[int64]types.Datum, len(decoder.columns)) |
| 74 | } |
| 75 | err := decoder.fromBytes(rowData) |
| 76 | if err != nil { |
| 77 | return nil, err |
| 78 | } |
| 79 | for i := range decoder.columns { |
| 80 | col := &decoder.columns[i] |
| 81 | idx, isNil, notFound := decoder.row.findColID(col.ID) |
| 82 | if !notFound && !isNil { |
| 83 | colData := decoder.getData(idx) |
| 84 | d, err := decoder.decodeColDatum(col, colData) |
| 85 | if err != nil { |
| 86 | return nil, err |
| 87 | } |
| 88 | row[col.ID] = d |
| 89 | continue |
| 90 | } |
| 91 | |
| 92 | if isNil { |
| 93 | var d types.Datum |
| 94 | d.SetNull() |
| 95 | row[col.ID] = d |
| 96 | continue |
| 97 | } |
| 98 | } |
| 99 | return row, nil |
| 100 | } |
| 101 | |
| 102 | func (decoder *DatumMapDecoder) decodeColDatum(col *ColInfo, colData []byte) (types.Datum, error) { |
| 103 | var d types.Datum |