Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/6194#issuecomment-102463555
@zhzhan Here is a rough list of my updates:
1. Rebased to PR #6150, which updated the newly introduced partitioning
support API
Made corresponding changes according to the new API changes.
1. `OrcFilters` update
- I worked around the builder state inconsistency issue by employing a
double-checking mechanism. Now we can convert a single child of an `And`
filter even if the other child is inconvertible.
- Added data type checking, as ORC doesn't accept all Spark SQL atomic
data types (e.g. timestamp).
1. Added new tests
Extracted some useful testing utility methods to `SQLTestUtils`, and
added `NewOrcQuerySuite` based on `ParquetQuerySuite`.
1. Some regular refactoring
Mainly styling issues and code simplifications.
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