For our app we'd like the user to construct and save search queries
that we execute on the database. My first thought was to construct
something like:
predicate = and_(or_(item.c.id>5, item.c.id<3),
item.c.name.like('aap')))
And save this to a pickle column in the database. But it gives:
raise TypeError, "can't pickle %s objects" % base.__name__
TypeError: can't pickle module objects
I could write wrappers around or_ and and_ and the binaryexpressions
etc but I have the feeling there must be a better approach. Anyone got
a hint?
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