cubicweb #17219772 add to every failing migration operation a "p(db)" option [resolved]

Right now, some migration operation offers a "p(db)" option of failure but not all of them do so, generalize this debugging feature.

prioritynormal
typeenhancement
done in3.27.0
load left0.000
closed by#3cf37ec616ad [migrations/pdb] add to every failing migration operation a "p(db)" option
assigned to