nielsbasjes commented on pull request #12962:
URL: https://github.com/apache/beam/pull/12962#issuecomment-748063151
Yes please.
I have tried over the last week and the main problems that remain are beyond
me.
I'm stuck and unable to proceed.
At this point I do not have the understanding on how Calcite and Beam
(should) work together to fix this.
So I'm totally fine if someone takes over from here.
At this point I see these `big` categories of tests that fail:
1. Tests that try to create a table fail with `DDL not supported`.
2. Tests that have nested records fail with class cast exceptions in the
`SchemaCoder::encode`.
To me it seems an error exists in handling the nesting of schemas.
3. The `BeamCalcRel::castOutputTime` tries to call
`java.time.LocalDate.ofEpochDay(long)` yet the underlying Calcite code goes
searching for `java.time.LocalDate.ofEpochDay(java.lang.Integer)` which doesn't
exist.
To me this seems an internal change of calcite how they choose data
types.
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