Hello everybody, We are building metadata-driven application, and we store metadata in DB. And we need to be able to define user queries as part of metadata and show results in grid with filters and sorting. Queries should be plain text, human-readable. User queries can be very complex, including subqueries. I'm looking forward to use HQL for them. But i'm not sure what is the best practice to append grid filters and sorting to user HQL query? Should i work with strings? Or should i parse HQL to HqlTreeNode, modify it, and somehow execute? Maybe there is another solution?
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