[SPARK-32344] Unevaluable expr is set to FIRST/LAST ignoreNullsExpr in distinct aggregates

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.3, 2.3.4, 2.4.6, 3.0.0
• Fix Version/s: 2.4.7, 3.0.1, 3.1.0
• Component/s: SQL
• Assignee: Takeshi Yamamuro
• Reporter: Takeshi Yamamuro
• Created: 17/Jul/20 07:04
• Updated: 12/Dec/22 18:10
• Resolved: 19/Jul/20 02:12

Description

scala> sql("SELECT FIRST(DISTINCT v) FROM VALUES 1, 2, 3 t(v)").show()
...
Caused by: java.lang.UnsupportedOperationException: Cannot evaluate expression: false#37
  at org.apache.spark.sql.catalyst.expressions.Unevaluable$class.eval(Expression.scala:258)
  at org.apache.spark.sql.catalyst.expressions.AttributeReference.eval(namedExpressions.scala:226)
  at org.apache.spark.sql.catalyst.expressions.aggregate.First.ignoreNulls(First.scala:68)
  at org.apache.spark.sql.catalyst.expressions.aggregate.First.updateExpressions$lzycompute(First.scala:82)
  at org.apache.spark.sql.catalyst.expressions.aggregate.First.updateExpressions(First.scala:81)
  at org.apache.spark.sql.execution.aggregate.HashAggregateExec$$anonfun$15.apply(HashAggregateExec.scala:268)

Issue Links

• links to: [Github] Pull Request #29143 (maropu)
• links to: [Github] Pull Request #29157 (maropu)