kgyrtkirk commented on issue #666: [CALCITE-2257] Combination of predicates can be proved to be always true URL: https://github.com/apache/calcite/pull/666#issuecomment-468666762 I'm closing this because I think right now simplification is already able to handle these cases. ``` @Test public void testSimplify1() { checkSimplify(or(isNotNull(vInt()), isNull(vInt())), "true"); } ``` Please reopen if disagree!
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