missing-filter-bug.zsh

#!/usr/bin/env zsh

curl -s -XDELETE localhost:9200/missing-test
curl -s -XPOST localhost:9200/missing-test -d'
{
    "mappings": {
        "doc": {
            "_source": {
                "enabled": true
            },
            "properties": {
                "id": {
                    "index": "not_analyzed",
                    "type": "string"
                },
                "myfield": {
                    "type": "string"
                }
            }
        }
    },
    "settings": {
        "number_of_replicas": 0,
        "number_of_shards": 1
    }
}'
curl -s -XPUT "localhost:9200/missing-test/doc/1" -d'{ "id": "1" }'
curl -s -XPUT "localhost:9200/missing-test/doc/2" -d'{ "id": "2", "myfield": "foo" }'
curl -s -XPOST 'localhost:9200/missing-test/_refresh'

echo
echo "Regular filter for null_value=true, existence=false"
curl 'localhost:9200/missing-test/doc/_search?pretty' -d'
{
  "query": {
    "match_all": {}
  },
  "filter": {
    "missing": {
      "field": "myfield",
      "existence": false,
      "null_value": true
    }
  }
}'

echo
echo "Filtered query with filter for null_value=true, existence=false"
curl 'localhost:9200/missing-test/doc/_search?pretty' -d'
{
  "query": {
    "filtered": {
      "query": {
        "match_all": {}
      },
      "filter": {
        "missing": {
          "field": "myfield",
          "existence": false,
          "null_value": true
        }
      }
    }
  }
}'
echo