Function jsonb_each_stringify

src/expr/src/relation/func.rs:2908–2924

(
    a: Datum<'a>,
    temp_storage: &'a RowArena,
)

}

fn jsonb_each_stringify<'a>(
    a: Datum<'a>,
    temp_storage: &'a RowArena,
) -> impl Iterator<Item = (Row, Diff)> + 'a {
    // First produce a map, so that a common iterator can be returned.
    let map = match a {
        Datum::Map(dict) => dict,
        _ => mz_repr::DatumMap::empty(),
    };

    map.iter().map(move |(k, mut v)| {
        v = jsonb_stringify(v, temp_storage)
            .map(Datum::String)
            .unwrap_or(Datum::Null);
        (Row::pack_slice(&[Datum::String(k), v]), Diff::ONE)
    })
}

fn jsonb_object_keys<'a>(a: Datum<'a>) -> impl Iterator<Item = (Row, Diff)> + 'a {
    let map = match a {