how to implement jpa data criteria builder with CAST

how to implement jpa data criteria builder with CAST



We are implementing data sort with the jpa data on one of the columns and our code is -


@Override
public Predicate toPredicate(Root<UpgradeFile> uf, CriteriaQuery<?> query, CriteriaBuilder cb) {

if (sortAttr != null && sortAttr.equals("version"))
if (sortOrder == 1) //asc order
orderList.add(cb.asc(uf.get(sortAttr)));

else if (sortOrder == 2) //desc order
orderList.add(cb.desc(uf.get(sortAttr)));


query.orderBy(orderList);

...



our version column is in string and has values like "11.0.2.73" , "11.0.2.312".
As column is in string sorting does not work properly so we are required to cast it as numeric after removing "." for example -


order by ( CAST(
replace(version, '.', '')
AS numeric) ) asc;



My question is how can we incorporate this query in the above jpa code in either orderby or in criteriabuilder.









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