Function lit_with_metadata

datafusion/expr/src/literal.rs:30–47

(n: T, metadata: Option<FieldMetadata>)

#[expect(clippy::needless_pass_by_value)]
pub fn lit_with_metadata<T: Literal>(n: T, metadata: Option<FieldMetadata>) -> Expr {
    let Some(metadata) = metadata else {
        return n.lit();
    };

    let Expr::Literal(sv, prior_metadata) = n.lit() else {
        unreachable!();
    };
    let new_metadata = match prior_metadata {
        Some(mut prior) => {
            prior.extend(metadata);
            prior
        }
        None => metadata,
    };

    Expr::Literal(sv, Some(new_metadata))
}

/// Create a literal timestamp expression
#[expect(clippy::needless_pass_by_value)]