gistfile1.txt

curl -XPUT "http://localhost:9200/testindex"
curl -XPUT "http://localhost:9200/testindex/t/_mapping" -d'
{
  "t": {
    "properties": {
      "some_nested_field": {
        "type": "nested",
        "properties": {
          "k": {"type": "string"},
          "v":{"type":"string"}
        }
      }
    }
  }
}'
curl -XPUT "http://localhost:9200/testindex/t/abc123" -d'
{
  "normal_field": "foo",
  "some_nested_field": [
    {
      "k": "a",
      "v": "1"
    },
    {
      "k": "b",
      "v": "2"
    }
  ]
}'

# Doesn't return abc123
curl -XGET "http://localhost:9200/testindex/t/_search" -d'
{
  "filter": {
    "exists": {
      "field": "some_nested_field"
    }
  }
}'

# Works as expected
curl -XGET "http://localhost:9200/testindex/t/_search" -d'
{
  "filter": {
    "exists": {
      "field": "normal_field"
    }
  }
}'

---------------------



PUT /testindex
PUT /testindex/t/_mapping
{
  "t": {
    "properties": {
      "some_nested_field": {
        "type": "nested",
        "properties": {
          "k": {"type": "string"},
          "v":{"type":"string"}
        }
      }
    }
  }
}
PUT /testindex/t/abc123
{
  "normal_field": "foo",
  "some_nested_field": [
    {
      "k": "a",
      "v": "1"
    },
    {
      "k": "b",
      "v": "2"
    }
  ]
}
GET /testindex/t/_search
{
  "filter": {
    "exists": {
      "field": "some_nested_field"
    }
  }
}
GET /testindex/t/_search
{
  "filter": {
    "exists": {
      "field": "normal_field"
    }
  }
}