andimiller opened a new pull request, #10347:
URL: https://github.com/apache/pinot/pull/10347
This enables creation of `BYTES` columns containing Theta/HLL sketches
during ingestion.
Note I've added these in `pinot-core` as I didn't know if I should add the
datasketches/clearspring dependencies to `pinot-common`
Can be activated like so:
```json
{
"transformConfigs": [
{
"columnName": "players",
"transformFunction": "DistinctCountRawThetaSketch(playerID)"
},
{
"columnName": "names",
"transformFunction": "DistinctCountRawHLL(playerName)"
}
]
}
```
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