Github user navis commented on a diff in the pull request:
https://github.com/apache/spark/pull/6810#discussion_r33335666
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Projection.scala
---
@@ -22,9 +22,11 @@ package org.apache.spark.sql.catalyst.expressions
* @param expressions a sequence of expressions that determine the value
of each column of the
* output row.
*/
-class InterpretedProjection(expressions: Seq[Expression]) extends
Projection {
- def this(expressions: Seq[Expression], inputSchema: Seq[Attribute]) =
- this(expressions.map(BindReferences.bindReference(_, inputSchema)))
+class InterpretedProjection(expressions: Seq[Expression], mutableRow:
Boolean = false)
+ extends Projection {
+ def this(expressions: Seq[Expression],
+ inputSchema: Seq[Attribute], mutableRow: Boolean = false) =
--- End diff --
Sorry for late reply. It happened when I changed empty input in
AggregateSuite test to something like ("Hello", 4, 2.0). In GeneratedAggreate,
whenever the grouping expression is empty or unsafeEnabled is not applied for
some reason spark tries to case GenericRow to MutableRow.
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