Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/12099#discussion_r58243529
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/commands.scala
---
@@ -237,15 +237,18 @@ case class ExplainCommand(
logicalPlan: LogicalPlan,
override val output: Seq[Attribute] =
Seq(AttributeReference("plan", StringType, nullable = true)()),
- extended: Boolean = false)
+ extended: Boolean = false,
+ codegen: Boolean = false)
--- End diff --
Oh, do you mean `codegen select ...` instead `explain codegen select ...`?
I thought `codegen` was an boolean option flag, but new command is also
possible if it need more other options.
What kind of usage for `codegen` command do you think? Could you enumerate
some for me?
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