Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/10075#discussion_r46361024
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala ---
@@ -449,17 +449,13 @@ private[spark] object SQLConf {
doc = "When true, we could use `datasource`.`path` as table in SQL
query"
)
- val SPECIALIZE_SINGLE_DISTINCT_AGG_PLANNING =
- booleanConf("spark.sql.specializeSingleDistinctAggPlanning",
- defaultValue = Some(true),
+ val AGG_PLANNING_15 =
+ booleanConf("spark.sql.aggregationPlanning15",
--- End diff --
But we are doing the same thing as maintaining compatibility and no (much)
regressions, otherwise we should just remove this flag (it's not public right
now).
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