dongjoon-hyun commented on a change in pull request #24427: [SPARK-27531][SQL]
Improve `EXPLAIN DESC TABLE` to show the input parameters of the command.
URL: https://github.com/apache/spark/pull/24427#discussion_r277175228
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
##########
@@ -318,25 +318,15 @@ class SparkSqlAstBuilder(conf: SQLConf) extends
AstBuilder(conf) {
val statement = plan(ctx.statement)
if (statement == null) {
null // This is enough since ParseException will raise later.
- } else if (isExplainableStatement(statement)) {
+ } else {
ExplainCommand(
logicalPlan = statement,
extended = ctx.EXTENDED != null,
codegen = ctx.CODEGEN != null,
cost = ctx.COST != null)
- } else {
- ExplainCommand(OneRowRelation())
}
}
- /**
- * Determine if a plan should be explained at all.
- */
- protected def isExplainableStatement(plan: LogicalPlan): Boolean = plan
match {
- case _: DescribeTableCommand => false
Review comment:
Hi, @hvanhovell .
This was introduced at Spark 2.0.0 by SPARK-13713 . Can we remove this at
3.0.0?
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