Michał Warecki created SPARK-6929:
-------------------------------------

             Summary: Alias for more complex expression causes attribute not 
been able to resolve
                 Key: SPARK-6929
                 URL: https://issues.apache.org/jira/browse/SPARK-6929
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 1.3.0
            Reporter: Michał Warecki
            Priority: Critical


I've extracted the minimal query that don't work with aliases. You can remove 
tstudent expression ((tstudent((COUNT(g_0.test2_value) - 1)) from that query 
and result will be the same. In exception you can see that c_0 is not resolved 
but c_1 cause that problem.

SELECT g_0.test1 AS c_0, (AVG(g_0.test2) - ((tstudent((COUNT(g_0.test2_value) - 
1)) * stddev(g_0.test2_value)) / sqrt(convert(COUNT(g_0.test2), long)))) AS c_1 
FROM sometable AS g_0 GROUP BY g_0.test1 ORDER BY c_0 LIMIT 502

cause exception:

Remote org.apache.spark.sql.AnalysisException: cannot resolve 'c_0' given input 
columns c_0, c_1; line 1 pos 246
        at 
org.apache.spark.sql.catalyst.analysis.package$AnalysisErrorAt.failAnalysis(package.scala:42)
        at 
org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$apply$3$$anonfun$apply$1.applyOrElse(CheckAnalysis.scala:48)
        at 
org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$apply$3$$anonfun$apply$1.applyOrElse(CheckAnalysis.scala:45)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:250)
        at 
org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:50)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:249)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$5.apply(TreeNode.scala:263)
        at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
        at scala.collection.Iterator$class.foreach(Iterator.scala:727)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
        at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
        at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
        at scala.collection.AbstractIterator.to(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
        at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
        at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode.transformChildrenUp(TreeNode.scala:292)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:247)
        at 
org.apache.spark.sql.catalyst.plans.QueryPlan.org$apache$spark$sql$catalyst$plans$QueryPlan$$transformExpressionUp$1(QueryPlan.scala:103)
        at 
org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$2$$anonfun$apply$2.apply(QueryPlan.scala:117)
        at 
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at 
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
        at 
scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
        at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
        at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
        at scala.collection.AbstractTraversable.map(Traversable.scala:105)
        at 
org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$2.apply(QueryPlan.scala:116)
        at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
        at scala.collection.Iterator$class.foreach(Iterator.scala:727)
        at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
        at 
scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
        at 
scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
        at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
        at scala.collection.AbstractIterator.to(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
        at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
        at 
scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
        at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
        at 
org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressionsUp(QueryPlan.scala:121)
        at 
org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$apply$3.apply(CheckAnalysis.scala:45)
        at 
org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$apply$3.apply(CheckAnalysis.scala:43)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode.foreach(TreeNode.scala:78)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$foreachUp$1.apply(TreeNode.scala:87)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$foreachUp$1.apply(TreeNode.scala:87)
        at scala.collection.immutable.List.foreach(List.scala:318)
        at 
org.apache.spark.sql.catalyst.trees.TreeNode.foreachUp(TreeNode.scala:87)
        at 
org.apache.spark.sql.catalyst.analysis.CheckAnalysis.apply(CheckAnalysis.scala:43)
        at 
org.apache.spark.sql.SQLContext$QueryExecution.assertAnalyzed(SQLContext.scala:1069)
        at org.apache.spark.sql.DataFrame.(DataFrame.scala:133)
        at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:51)
        at org.apache.spark.sql.hive.HiveContext.sql(HiveContext.scala:92)



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