Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22868#discussion_r228776349
--- Diff: docs/sql-migration-guide-hive-compatibility.md ---
@@ -51,6 +51,9 @@ Spark SQL supports the vast majority of Hive features,
such as:
* Explain
* Partitioned tables including dynamic partition insertion
* View
+ * If column aliases are not specified in view definition queries, both
Spark and Hive will
+ generate alias names, but in different ways. In order for Spark to be
able to read views created
+ by Hive, users should explicitly specify column aliases in view
definition queries.
--- End diff --
+1
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