Function map_insert

fn map_insert(
    map: MapRef<'_>,
    key: Option<ScalarRefImpl<'_>>,
    value: Option<ScalarRefImpl<'_>>,
) -> MapValue

Inserts a key-value pair into the map. If the key already exists, the value is updated.

Example

query T
select map_insert(map{'a':1, 'b':2}, 'c', 3);
----
{a:1,b:2,c:3}

query T
select map_insert(map{'a':1, 'b':2}, 'b', 4);
----
{a:1,b:4}

TODO: support variadic arguments