osscm opened a new issue, #10205:
URL: https://github.com/apache/iceberg/issues/10205

   ### Query engine
   
   Trino
   
   ### Question
   
   We are thinking it would be good feature to support custom catalog name in 
REST Catalog.
   Before creating an issue, thought will discuss here, as we might be missing 
something.
   
   Hive metastore and Glue supports catalog name, which can be used as 
namespace hierarchy like.
   `<catalog>.<database/schema>.table`
   
   Glue catalog's property name is `hive.metastore.glue.catalogid` and for Hive 
metastore we have started working on adding that support. 
   issue: https://github.com/trinodb/trino/issues/10287
   changes: https://github.com/trinodb/trino/pull/21502
   
   We are internally using custom-catalog with Metastore from time, and working 
with OSS community to share with the upstream.
   
   Iceberg catalog supports custom 
[namespace](https://iceberg.apache.org/javadoc/latest/org/apache/iceberg/rest/RESTCatalog.html#createNamespace(org.apache.iceberg.catalog.Namespace,java.util.Map)),
 but there is no concept of the `catalog-name`.
   I think if we support that as well, it will help to engines to use the 
existing model and less changes when adopting REST Catalog.
   
   I might be missing something, so please help me to understand it.


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