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This is experimental functionality, and as such subject to change. Use at your own risk!
This documentation is for the unreleased development version of jOOQ. Click on the above version links to get this documentation for a supported version of jOOQ.
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The NOT unary operator reverses itself, when called repeatedly, meaning that redundant
NOT operators can be removed.
Using Settings.transformPatternsNotNot, the following transformations can be achieved:
-- With Settings.transformPatternsNotNot active, this: SELECT NOT (NOT (x = 1)), NOT (NOT (NOT (x = 1))) FROM tab; -- ... is transformed into the equivalent expression: SELECT x = 1, -- NOT (NOT (x = 1)) NOT (x = 1), -- NOT (NOT (NOT (x = 1))) FROM tab;