java - Hibernate Criteria, Integer and "like" -


i'm migrating of hql-statements criterias i'm figuring 1 problem: entity property type integer need wildcards search, in hql do

session.createquery("from p1 id :id").setstring("id", "%"+s+"%")

no problem @ all, hibernate casts string integer.

if try in criteria, classcastexception

string cannot cast integer  criteria crit = sessionfactory.getcurrentsession().createcriteria(p1.class); crit.add(restrictions.like("id",s)).addorder(order.asc("id")).setmaxresults(maxresults);

why hibernate handle both situations differently?

you use str expression conversion. if makes sense.

str() converting numeric or temporal values readable string

session.createquery("from p1 str(id) :id").setstring("id", "%"+s+"%")

this quite slow if not have function based index on column.


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