dongjoon-hyun commented on code in PR #52987:
URL: https://github.com/apache/spark/pull/52987#discussion_r2512617403
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -3831,6 +3831,15 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val PIPE_OPERATOR_ALLOW_AGGREGATE_IN_SELECT =
+ buildConf("spark.sql.pipeOperator.allowAggregateInSelect")
+ .doc("When true, aggregate functions can be used in |> SELECT and other
pipe operator " +
+ "clauses without requiring the |> AGGREGATE keyword. When false,
aggregate functions " +
+ "must be used exclusively with the |> AGGREGATE clause for proper
aggregation semantics.")
+ .version("4.1.0")
+ .booleanConf
+ .createWithDefault(true)
Review Comment:
Please turn it off by default in Apache Spark 4.1.0. You can enable it later
for Apache Spark 4.2.0.
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