Use the same 'id' column name everywhere in ORC files
namely rename 'snapshot_id' and 'directory_id' columns by 'id'.
Depends on !39 (closed).
Migrated from D7386 (view on Phabricator)
namely rename 'snapshot_id' and 'directory_id' columns by 'id'.
Depends on !39 (closed).
Migrated from D7386 (view on Phabricator)