Michael Armbrust created SPARK-9444:
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Summary: RemoveEvaluationFromSort reorders sort order
Key: SPARK-9444
URL: https://issues.apache.org/jira/browse/SPARK-9444
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Michael Armbrust
Assignee: Wenchen Fan
Priority: Blocker
{code}
Seq((1,2,3,4)).toDF("a", "b", "c", "d").registerTempTable("test")
scala> sqlContext.sql("SELECT * FROM test ORDER BY a + 1, b").queryExecution
== Parsed Logical Plan ==
'Sort [('a + 1) ASC,'b ASC], true
'Project [unresolvedalias(*)]
'UnresolvedRelation [test], None
== Optimized Logical Plan ==
Project [a#4,b#5,c#6,d#7]
Sort [b#5 ASC,_sortCondition#9 ASC], true
LocalRelation [a#4,b#5,c#6,d#7,_sortCondition#9], [[1,2,3,4,2]]
{code}
Notice how we are now sorting by b before a + 1.
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