[entity] add a "repo_side" parameter to `_cw_dont_cache_attribute`
This parameter (defaulting to `False`) is used to inform cubicweb that we really
really do not want to cache a value during creation or update. This will be used
by a storage that may do very specific processing on attribute values that result
in a stored value different than the provided one (e.g. BFSS `fs_importing`
mode).
Latest changes
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* table of `all latest changes`_
Links below is providing useful RQL query example.
.. _all latest changes: view?rql=Any+M%2CX+WHERE+X+modification_date+M+ORDERBY+M+DESC+LIMIT+30