Wenchen Fan a21791e316 [SPARK-18070][SQL] binary operator should not consider nullability when comparing input types ... ## What changes were proposed in this pull request? Binary operator requires its inputs to be of same type, but it should not consider nullability, e.g. `EqualTo` should be able to compare an element-nullable array and an element-non-nullable array. ## How was this patch tested? a regression test in `DataFrameSuite` Author: Wenchen Fan <wenchen@databricks.com> Closes #15606 from cloud-fan/type-bug.		2016-10-25 12:08:17 -07:00
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main	[SPARK-18070][SQL] binary operator should not consider nullability when comparing input types	2016-10-25 12:08:17 -07:00
test	[SPARK-18058][SQL] Comparing column types ignoring Nullability in Union and SetOperation	2016-10-23 19:42:11 +02:00