CodingCat a81fba048f [SPARK-18058][SQL] Comparing column types ignoring Nullability in Union and SetOperation ... ## What changes were proposed in this pull request? The PR tries to fix [SPARK-18058](https://issues.apache.org/jira/browse/SPARK-18058) which refers to a bug that the column types are compared with the extra care about Nullability in Union and SetOperation. This PR converts the columns types by setting all fields as nullable before comparison ## How was this patch tested? regular unit test cases Author: CodingCat <zhunansjtu@gmail.com> Closes #15595 from CodingCat/SPARK-18058.		2016-10-23 19:42:11 +02:00
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java/org/apache/spark/sql	[SPARK-17495][SQL] Add Hash capability semantically equivalent to Hive's	2016-10-04 18:59:31 -07:00
resources	[SPARK-14134][CORE] Change the package name used for shading classes.	2016-04-06 19:33:51 -07:00
scala/org/apache/spark/sql	[SPARK-18058][SQL] Comparing column types ignoring Nullability in Union and SetOperation	2016-10-23 19:42:11 +02:00