clintropolis opened a new pull request, #15101:
URL: https://github.com/apache/druid/pull/15101
### Description
Duplicates a bunch of tests in `CalciteArraysQueryTest` to test real array
columns using some of the same data used by the limited array tests of
`CalciteNestedDataQueryTest` to get a lot more coverage on array typed columns.
In the process discovered a bug with filter pushdown in
`UnnestStorageAdapter` when filtering on unnested array columns, where it was
pushing down the filter on the unnested output column when the input was an
array typed column, which is totally incorrect. I think i've modified things to
behave correctly...
<hr>
##### Key changed/added classes in this PR
* `MyFoo`
* `OurBar`
* `TheirBaz`
<hr>
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- [ ] been tested in a test Druid cluster.
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