С нидавнего времени в базе данных начали появляться такие таблицы:
...
field_deleted_data_111
field_deleted_data_115
field_deleted_data_116
field_deleted_data_129
field_deleted_data_133
field_deleted_data_142
field_deleted_data_153
...
field_deleted_revision_21
field_deleted_revision_27
field_deleted_revision_28
field_deleted_revision_29
field_deleted_revision_49
field_deleted_revision_55
...