dongjoon-hyun commented on a change in pull request #26513: [SPARK-29834][SQL]
DESC DATABASE should look up catalog like v2 commands
URL: https://github.com/apache/spark/pull/26513#discussion_r346573786
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
##########
@@ -2899,6 +2899,21 @@ class AstBuilder(conf: SQLConf) extends
SqlBaseBaseVisitor[AnyRef] with Logging
}
}
+ /**
+ * Create a [[DescribeNamespaceStatement]].
+ *
+ * For example:
+ * {{{
+ * DESCRIBE DATABASE [EXTENDED] database;
Review comment:
Since this PR changes the parser rule to accept `NAMESPACE`, we had better
describe the change.
```
- DESCRIBE DATABASE [EXTENDED] database;
+ DESCRIBE (DATABASE|NAMESPACE) [EXTENDED] database;
```
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