hwaring :
I have generated a number of JOOQ classes from my database. I want to easily filter my tables by customer while maintaining the strong type of my tables.
This is what I want to be able to do:
// Generated class books
JBooks books = JBooks.BOOKS;
// get ownershipCheck (this could be more complicated, possibly joining multiple tables)
Condition ownershipCheck = books.customer().ID.eq(currentCustomer);
// desired output that I can do further operations on
JBooks filteredBooks = selectFrom(books).where(ownershipCheck).asTable();
// a bunch of random operations using the functionality from JBooks
db.select(filteredBooks.AUTHOR, filteredBooks.PUBLISH_DATE, ...etc)
Unfortunately, I can't do this. I get a Table<JBooksRecord> instead and I see no way to cast my new Table to JBooks
Lukas Eder :
This is being worked on through:
- #8012 "Override Table.where(Condition) methods in generated tables"
- #1969 "Add support for views expressed in jOOQ"
In short, a table can accept a predicate and the result is a modified table of the same table type, exposing the same type safe column expressions. In generated SQL, this can either produce a derived table or be inlined into the calling SQL statement.
As of jOOQ 3.11, these features are not yet available.