broken get for integer arrays

broken-get2.zsh

#!/usr/bin/env zsh

curl -XDELETE localhost:9200/get-test

curl -XPOST 'localhost:9200/get-test' -d'
{
    "mappings": {
        "doc": {
            "_source": {
                "enabled": true
            },
            "properties": {
                "num": {
                    "type": "integer"
                }
            }
        }
    },
    "settings": {
        "number_of_replicas": 0,
        "number_of_shards": 1
    }
}'
echo

curl -XPOST 'localhost:9200/get-test/doc/1' -d'{"num":2}'
echo

curl -XPOST 'localhost:9200/get-test/doc/2' -d'{"num":[2,1]}'
echo

curl 'localhost:9200/get-test/doc/1?pretty'
echo

curl 'localhost:9200/get-test/doc/2?pretty'
echo

# broken
curl 'localhost:9200/get-test/doc/2?fields=num&pretty'