jerryshao commented on a change in pull request #657: Add list tables support
in Iceberg catalog
URL: https://github.com/apache/incubator-iceberg/pull/657#discussion_r347696818
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File path: api/src/main/java/org/apache/iceberg/catalog/Catalog.java
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@@ -26,12 +26,22 @@
import org.apache.iceberg.Transaction;
import org.apache.iceberg.exceptions.AlreadyExistsException;
import org.apache.iceberg.exceptions.NoSuchTableException;
+import org.apache.iceberg.exceptions.NotFoundException;
/**
* A Catalog API for table create, drop, and load operations.
*/
public interface Catalog {
+ /**
+ * Return all the identifiers under this namespace.
Review comment:
My concern is that this will bring in overheads. For example in Hive
Catalog, we need to load each table to check the metadata one by one. I'm not
sure if there's a Hive metastore API which could load in all the table details
under the same DB.
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