Function array_contains_array

src/expr/src/scalar/func.rs:2821–2832

(a: Array<'a>, b: Array<'a>)

#[sqlfunc(is_infix_op = true, sqlname = "@>")]
fn array_contains_array<'a>(a: Array<'a>, b: Array<'a>) -> bool {
    let a = a.elements();
    let b = b.elements();

    // NULL is never equal to NULL. If NULL is an element of b, b cannot be contained in a, even if a contains NULL.
    if b.iter().contains(&Datum::Null) {
        false
    } else {
        b.iter()
            .all(|item_b| a.iter().any(|item_a| item_a == item_b))
    }
}

#[sqlfunc(is_infix_op = true, sqlname = "<@")]
fn array_contains_array_rev<'a>(a: Array<'a>, b: Array<'a>) -> bool {