mayankshriv opened a new pull request #5465:
URL: https://github.com/apache/incubator-pinot/pull/5465
1. Support a variation of theta sketch based distinct count aggregation
function that returns
serialized bytes of the final aggregated sketch, instead of the actual
distinct value.
2. The return value is hex encoded String of the serialized sketch bytes.
This can be
deserialized at the client side by the library using
org.apache.commons.codec.binary as:
`Hex.decodeHex(stringValue.toCharArray())`. This is the same as any other
byte[] value
returned by Pinot.
3. Added unit test for the new aggregation function.
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