Available in versions: Dev (3.18) | Latest (3.17)

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.

Merge BIT_NOT with BIT_NAND

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The BIT_NOT function bitwise inverts its argument value. If the argument value is a BIT_NAND function, we can simply merge the two functions.

Using Settings.transformPatternsBitNotNand, the following transformations can be achieved:

-- With Settings.transformPatternsBitNotNand active, this:
SELECT
  ~(bitnand(a, b)),
  ~(bitand(a, b))
FROM tab;

-- ... is transformed into the equivalent expression:
SELECT 
  bitand(a, b), -- ~(bitnand(a, b))
  bitnand(a, b) -- ~(bitand(a, b))
FROM tab;

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