|This deprecated feature should no longer be used, but is still available for reasons of backwards compatibility. This feature was deprecated in version 1.34. See Development policy#Implementation policies.|
The following database fields contain serialized data:
- log_params (in the case of page moves)
- rc_params (in the case of page moves)
- old_text (sometimes; see old_flags and ar_flags)
The data type is generally blob or mediumblob.