Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/9844#discussion_r45705657
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala
---
@@ -217,5 +217,23 @@ class AnalysisSuite extends AnalysisTest {
nullResult,
udf4)
// checkUDF(udf4, expected4)
+ }
+
+ test("SPARK-11863 mixture of aliases and real columns in orderby clause
- tpcds 19,55,71") {
+ val a = testRelation2.output(0)
+ val c = testRelation2.output(2)
+ val alias1 = a.as("a1")
+ val alias2 = c.as("a2")
+ val alias3 = count(a).as("a3")
+
+ val plan = testRelation2.
+ groupBy('a, 'c) ('a.as("a1"), 'c.as("a2"), count('a).as("a3")).
+ orderBy('a1.asc, 'c.asc)
--- End diff --
code style: we should put the `.` at the beginning of a line, not at the
end. And also remove the space between `groupBy('a, 'c)` and `('a.as("a1"),...`
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