srielau commented on PR #46757:
URL: https://github.com/apache/spark/pull/46757#issuecomment-2135182148
> Hi, @srielau do you know why '!' does not stay in or close to other
monadic operators like other systems? Now we seem to have something like `!a +
b <=> !(a + b)`
>
> also cc @cloud-fan @dongjoon-hyun, thanks
I do not. This looks right
`booleanExpression
: (NOT | BANG) booleanExpression
#logicalNot
| EXISTS LEFT_PAREN query RIGHT_PAREN #exists
| valueExpression predicate?
#predicated
| left=booleanExpression operator=AND right=booleanExpression
#logicalBinary
| left=booleanExpression operator=OR right=booleanExpression
#logicalBinary
;
`
Are you sure that is the case? + is an arithmetic operator. Have you gone
through the combinations or looked at the unresolved expression?
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