How to dynamically generate SQL query based on user’s selections?

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How to dynamically generate SQL query based on user's selections?

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Answer 1

I use the Querydsl framework because I'm using JPA 1.0 which does not include the Criteria API and I also needed the features you described. Writing Querydsl code is easy and the code is shorter than Criteria API code. Querydsl is free to use and it supports typesafe queries.