cubicweb #2116693 Bad cache generation with None attribute value [resolved]

When the first execution of an rql request with None subtitution value, generated sql containing IS NULL is stored in cache. All later execution will get "IS NULL" for the parameter instead of actual value.

We should make None data part of the cache key

Error might probably appear in the direction

done in3.14.2
load left0.000
closed by#96d343a5e01b [rql2sql] None for attributes in kwargs generate IS NULL, so should be considered in sql cache key. Closes #2116693