Function in_guarantee

datafusion/physical-expr/src/utils/guarantee.rs:1075–1082

Guarantee that the expression is true if the column is one of the specified values

(column: &str, literals: I)

    /// Guarantee that the expression is true if the column is one of the specified values
    fn in_guarantee<'a, I, S>(column: &str, literals: I) -> LiteralGuarantee
    where
        I: IntoIterator<Item = S>,
        S: Into<ScalarValue> + 'a,
    {
        let literals: Vec<_> = literals.into_iter().map(|s| s.into()).collect();
        LiteralGuarantee::new(column, Guarantee::In, literals.iter())
    }

    /// Guarantee that the expression is true if the column is NOT any of the specified values
    fn not_in_guarantee<'a, I, S>(column: &str, literals: I) -> LiteralGuarantee