| 41 | } |
| 42 | |
| 43 | func reverseTransform(sc *arrow.Schema, values []any) (arrow.RecordBatch, error) { |
| 44 | bldr := array.NewRecordBuilder(memory.DefaultAllocator, sc) |
| 45 | for i, val := range values { |
| 46 | switch sc.Field(i).Type.ID() { |
| 47 | case arrow.BOOL: |
| 48 | if val.(*sql.NullBool).Valid { |
| 49 | bldr.Field(i).(*array.BooleanBuilder).Append(val.(*sql.NullBool).Bool) |
| 50 | } else { |
| 51 | bldr.Field(i).(*array.BooleanBuilder).AppendNull() |
| 52 | } |
| 53 | case arrow.INT8: |
| 54 | v := val.(*sql.NullInt64) |
| 55 | if !v.Valid { |
| 56 | bldr.Field(i).AppendNull() |
| 57 | } else { |
| 58 | bldr.Field(i).(*array.Int8Builder).Append(int8(v.Int64)) |
| 59 | } |
| 60 | case arrow.INT16: |
| 61 | v := val.(*sql.NullInt64) |
| 62 | if !v.Valid { |
| 63 | bldr.Field(i).AppendNull() |
| 64 | } else { |
| 65 | bldr.Field(i).(*array.Int16Builder).Append(int16(v.Int64)) |
| 66 | } |
| 67 | case arrow.INT32: |
| 68 | v := val.(*sql.NullInt64) |
| 69 | if !v.Valid { |
| 70 | bldr.Field(i).AppendNull() |
| 71 | } else { |
| 72 | bldr.Field(i).(*array.Int32Builder).Append(int32(v.Int64)) |
| 73 | } |
| 74 | case arrow.INT64: |
| 75 | v := val.(*sql.NullInt64) |
| 76 | if !v.Valid { |
| 77 | bldr.Field(i).AppendNull() |
| 78 | } else { |
| 79 | bldr.Field(i).(*array.Int64Builder).Append(v.Int64) |
| 80 | } |
| 81 | case arrow.UINT8: |
| 82 | v := val.(*sql.NullInt64) |
| 83 | if !v.Valid { |
| 84 | bldr.Field(i).AppendNull() |
| 85 | } else { |
| 86 | bldr.Field(i).(*array.Uint8Builder).Append(uint8(v.Int64)) |
| 87 | } |
| 88 | case arrow.UINT16: |
| 89 | v := val.(*sql.NullInt64) |
| 90 | if !v.Valid { |
| 91 | bldr.Field(i).AppendNull() |
| 92 | } else { |
| 93 | bldr.Field(i).(*array.Uint16Builder).Append(uint16(v.Int64)) |
| 94 | } |
| 95 | case arrow.UINT32: |
| 96 | v := val.(*sql.NullInt64) |
| 97 | if !v.Valid { |
| 98 | bldr.Field(i).AppendNull() |
| 99 | } else { |
| 100 | bldr.Field(i).(*array.Uint32Builder).Append(uint32(v.Int64)) |