Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/4918#discussion_r25921168
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -1049,4 +1049,14 @@ class SQLQuerySuite extends QueryTest with
BeforeAndAfterAll {
rdd.toDF().registerTempTable("distinctData")
checkAnswer(sql("SELECT COUNT(DISTINCT key,value) FROM distinctData"),
Row(2))
}
+
+ test("SPARK-6145: ORDER BY test for nested fields") {
+ jsonRDD(sparkContext.makeRDD(
+ """{"a": {"b": 1, "a": {"a": 1}}, "c": [{"d": 1}]}""" ::
Nil)).registerTempTable("nestedOrder")
+ // These should be successfully analyzed
+ sql("SELECT 1 FROM nestedOrder ORDER BY a.b").queryExecution.analyzed
+ sql("SELECT a.b FROM nestedOrder ORDER BY a.b").queryExecution.analyzed
+ sql("SELECT 1 FROM nestedOrder ORDER BY a.a.a").queryExecution.analyzed
+ sql("SELECT 1 FROM nestedOrder ORDER BY
c[0].d").queryExecution.analyzed
--- End diff --
If you end up making things ambiguous, why not just alias the unnesting
manually? I do not think it is okay to change the default unnesting alias
anymore.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
