sb89594 opened a new pull request, #15212:
URL: https://github.com/apache/druid/pull/15212
Fixes #10817.
### Description
Added a SQL function to match IPv6 addresses to a given subnet. This was
based off the existing `IPv4_MATCH` function. I initially considered changing
the existing `IPv4_MATCH` function to be a more generic (e.g. `IP_MATCH`).
However, given this has been a function for some time I thought it best to keep
the existing function for existing queries and make an IPv6 specific
implementation. Like the existing IPv4 implementation, this relies on the Java
`inet.ipaddr` library
#### Release note
Added `IPv6_MATCH` SQL function for matching IPv6 addresses in a subnet
##### Key added classes in this PR
* `IPv6AddressExprUtils`
* `IPv6AddressMatchExprMacro`
This PR has:
- [x] been self-reviewed.
- [x] added documentation for new or modified features or behaviors.
- [x] a release note entry in the PR description.
- [x] added Javadocs for most classes and all non-trivial methods. Linked
related entities via Javadoc links.
- [x] added unit tests or modified existing tests to cover new code paths,
ensuring the threshold for [code
coverage](https://github.com/apache/druid/blob/master/dev/code-review/code-coverage.md)
is met.
- [x] been tested in a test Druid cluster.
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