Hi Rui, My take is that temporary tables should use the factory of the catalog they were registered with.
What you are describing sounds very much like a limitation/bug in Hive catalog only. I'd be in favor of passing the *isTemporary* flag. Best, Dawid On 25/08/2020 09:37, Rui Li wrote: > Hi Dev, > > Currently temporary generic tables cannot work with hive catalog [1]. When > hive catalog is chosen as the current catalog, planner will use > HiveTableFactory to create source/sink for the temporary > table. HiveTableFactory cannot tell whether a table is temporary or not, > and considers it as a Hive table, which leads to job failure. > I've discussed with Jingsong offline and we believe one solution is to make > planner avoid using catalog table factory for temporary tables. But I'd > also like to hear more opinions from others whether this is the right way > to go. I think a possible alternative is to add an *isTemporary* field > to TableSourceFactory.Context & TableSinkFactory.Context, so that > HiveTableFactory knows how to handle such tables. What do you think? > > [1] https://issues.apache.org/jira/browse/FLINK-18999 >
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