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Merge BIT_NOT with BIT_NOR
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_NOR function, we can simply merge the two functions.
Using Settings.transformPatternsBitNotNor, the following transformations can be achieved:
-- With Settings.transformPatternsBitNotNor active, this: SELECT ~(bitnor(a, b)), ~(bitor(a, b)) FROM tab; -- ... is transformed into the equivalent expression: SELECT bitor(a, b), -- ~(bitnor(a, b)) bitnor(a, b) -- ~(bitor(a, b)) FROM tab;
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