Expand.projections should not be a Stream

apache · Sep 21, 2017 · aa263d7 · aa263d7
1 parent 55d5fa7
commit aa263d7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
@@ -268,7 +268,7 @@ class Analyzer(
      *  We need to get all of its subsets for the rule described above, the subset is
      *  represented as sequence of expressions.
      */
-    def rollupExprs(exprs: Seq[Expression]): Seq[Seq[Expression]] = exprs.inits.toSeq
+    def rollupExprs(exprs: Seq[Expression]): Seq[Seq[Expression]] = exprs.inits.toIndexedSeq
 
     /*
      *  GROUP BY a, b, c WITH CUBE