imback82 commented on a change in pull request #25247: [SPARK-28319][SQL]
Implement SHOW TABLES for Data Source V2 Tables
URL: https://github.com/apache/spark/pull/25247#discussion_r310366945
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceResolution.scala
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@@ -162,6 +162,16 @@ case class DataSourceResolution(
case DataSourceV2Relation(CatalogTableAsV2(catalogTable), _, _) =>
UnresolvedCatalogRelation(catalogTable)
+
+ // If the database name is not provided, fallback to v1 catalog.
+ case ShowTablesStatement(None, pattern) =>
+ ShowTablesCommand(None, pattern)
Review comment:
Since you mentioned `This works for now` for throwing an exception for the
case where db is not specified but default v2 catalog is set, I will leave it
as it is. I will do a follow-up when the changes are in.
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