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The "Hive/ViewDev" page has been changed by JohnSichi. http://wiki.apache.org/hadoop/Hive/ViewDev?action=diff&rev1=4&rev2=5 -------------------------------------------------- Comparison of the two approaches: || || '''Inheritance Model''' || '''Flat Model''' || - || ''JDO Support''' || Need to investigate how well inheritance works for our purposes || Nothing special || + || ''JDO Support''|| Need to investigate how well inheritance works for our purposes || Nothing special || || ''Metadata queries from existing code/tools'' || Existing queries for tables will NOT include views in results; those that need to will have to be modified to reference base class instead || Existing queries for tables WILL include views in results; those that are not supposed to will need to filter them out || || ''Metastore upgrade on deployment'' || Need to test carefully to make sure introducing inheritance doesn't corrupt existing metastore instances || Nothing special, just adding a new attribute ||
