Function union_extract

datafusion/functions/src/core/mod.rs:163–165

(arg1: Expr, arg2: impl Literal)

    #[doc = "Returns the value of the field with the given name from the union when it's selected, or NULL otherwise"]
    #[expect(clippy::needless_pass_by_value)]
    pub fn union_extract(arg1: Expr, arg2: impl Literal) -> Expr {
        super::union_extract().call(vec![arg1, arg2.lit()])
    }
}

/// Returns all DataFusion functions defined in this package