Hi,
the Java Persistent query language only allows accessing persistent fields or properties in a query, so anything that is mapped to the database. I understand getEstimatedMonthlyPayment is a method, but it does not denote a persistent property, correct? Then you cannot access it in a query.
Is there any issue with storing the value in the database? It looks like you want to use it in a query against the database.
Regards Michael
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