imback82 commented on a change in pull request #25747: [SPARK-29039][SQL]
centralize the catalog and table lookup logic
URL: https://github.com/apache/spark/pull/25747#discussion_r323006151
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceResolution.scala
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@@ -164,28 +140,12 @@ case class DataSourceResolution(
s"Delete from tables is not supported using the legacy / v1 Spark
external catalog" +
s" API. Identifier: $table.")
- case delete: DeleteFromStatement =>
- val relation = UnresolvedRelation(delete.tableName)
- val aliased = delete.tableAlias.map(SubqueryAlias(_,
relation)).getOrElse(relation)
- DeleteFromTable(aliased, delete.condition)
+ case ShowNamespacesStatement(None, pattern) if defaultCatalog.isEmpty =>
Review comment:
OK, I may have misunderstood this discussion:
https://github.com/apache/spark/pull/25601#discussion_r319379649 - I had an
impression that `SHOW NAMESPACES` is supported only in v2.
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