Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/20599#discussion_r168067521 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala --- @@ -675,6 +675,16 @@ object SQLConf { "disable logging or -1 to apply no limit.") .createWithDefault(1000) + val CODEGEN_TRY_INLINE_ALL_STATES = + buildConf("spark.sql.codegen.tryInlineAllStates") + .internal() + .doc("When adding mutable states during code generation, whether or not we should try to " + + "inline all the states. If this config is false, we only try to inline primitive stats, " + + "so that primitive states are more likely to be inlined. Set this config to true to make " + + "the behavior same as Spark 2.2.") --- End diff -- yea, let me improve it.
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