'oi_minor_mime',
'oi_user',
'oi_user_text',
- 'oi_actor' => $wgActorTableSchemaMigrationStage > MIGRATION_OLD ? 'oi_actor' : null,
+ 'oi_actor' => $wgActorTableSchemaMigrationStage > MIGRATION_OLD ? 'oi_actor' : 'NULL',
'oi_timestamp',
'oi_deleted',
'oi_sha1',