HyukjinKwon bd324007d5 [SPARK-31229][SQL][TESTS] Add unit tests TypeCoercion.findTypeForComplex and Cast.canCast in null <> complex types ... ### What changes were proposed in this pull request? This PR (SPARK-31229) is rather a followup of https://github.com/apache/spark/pull/27926 (SPARK-31166). It adds unittests for `TypeCoercion.findTypeForComplex` and `Cast.canCast` about struct, map and array with the respect to null types. ### Why are the changes needed? To detect which scope was broken in the future easily. ### Does this PR introduce any user-facing change? No, it's a test-only. ### How was this patch tested? Unittests were added. Closes #27990 from HyukjinKwon/SPARK-31166-followup. Authored-by: HyukjinKwon <gurwls223@apache.org> Signed-off-by: HyukjinKwon <gurwls223@apache.org>		2020-03-24 14:10:59 +09:00
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benchmarks	[SPARK-30413][SQL] Avoid WrappedArray roundtrip in GenericArrayData constructor, plus related optimization in ParquetMapConverter	2020-01-19 19:12:19 -08:00
src	[SPARK-31229][SQL][TESTS] Add unit tests TypeCoercion.findTypeForComplex and Cast.canCast in null <> complex types	2020-03-24 14:10:59 +09:00
pom.xml	[SPARK-30950][BUILD] Setting version to 3.1.0-SNAPSHOT	2020-02-25 19:44:31 -08:00