churromorales opened a new pull request, #13370:
URL: https://github.com/apache/druid/pull/13370
This adds the ability to store a unsigned integer as a complex column type.
Note only on disk is the value stored as an unsigned int, when it is
deserialized it is a `Long` thus aggregators will not overflow. This should
help save a little space for those that rely on metric columns as counts.
Docs show how to use it, basically add the extension, then your spec would
have something like this:
```
"metricsSpec": [
{
"type": "unsigned_int",
"name": "value",
"fieldName": "value"
},
```
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