maropu commented on a change in pull request #23883: [SPARK-26982][SQL] Enhance
describe framework to describe the output of a query.
URL: https://github.com/apache/spark/pull/23883#discussion_r261451196
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -117,6 +117,11 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
}
}
+ override def visitDescQuery(ctx: DescQueryContext): LogicalPlan =
withOrigin(ctx) {
+ plan(ctx.queryTerm).
+ optionalMap(ctx.queryOrganization)(withQueryResultClauses)
Review comment:
nit:
```
override def visitDescQuery(ctx: DescQueryContext): LogicalPlan =
withOrigin(ctx) {
plan(ctx.queryTerm).optionalMap(ctx.queryOrganization)(withQueryResultClauses)
}
```
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