Mappings for elasticsearch not nested stuff

mapping.sh

#!/bin/sh 
echo
curl -XDELETE 'http://localhost:9200/items'

echo
curl -XPUT 'localhost:9200/items' -d '
{
  "mappings" : {
    "Item" : {
      "dynamic" : false,
      "properties" : {
        "id" : { "type" : "string", "index" : "not_analyzed" },
        "name" : { "type" : "string", "index" : "not_analyzed" },
        "price" : { "type" : "double", "index" : "not_analyzed" },
        "type" : { "type" : "string", "index" : "not_analyzed" },
        "characteristics" : { "type" : "string", "index" : "not_analyzed" }
      }
    }
  }
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Sonz flatscreen",
  "price" : 200.0,
  "type" : "TV",
  "characteristics" : [
    "warranty_3 years",
    "screen size_32 in",
    "display_LCD"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Sonz flatscreen",
  "price" : 200.0,
  "type" : "TV",
  "characteristics" : [
    "warranty_2 years",
    "screen size_32 in",
    "display_Plasma"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Sonz bigbum",
  "price" : 200.0,
  "type" : "TV",
  "characteristics" : [
    "warranty_3 years",
    "screen size_32 in",
    "display_CRT",
    "speakers_5.1"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Shark plazmos",
  "price" : 300.0,
  "type" : "TV",
  "characteristics" : [
    "warranty_2 years",
    "screen size_54 in",
    "display_Plasma"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Sonz player",
  "price" : 150.0,
  "type" : "DVD Player",
  "characteristics" : [
    "warranty_3 years"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Shark player",
  "price" : 200.0,
  "type" : "DVD Player",
  "characteristics" : [
    "warranty_3 years"
  ]
}
'

echo
curl -XPOST 'http://localhost:9200/items/Item' -d '
{
  "id" : "id1",
  "name" : "Sonz HiFi",
  "price" : 200.0,
  "type" : "HIFI",
  "characteristics" : [
    "warranty_3 years",
    "speakers_5.1"
  ]
}
'
echo

query.sh

#!/bin/sh 
curl -X POST 'localhost:9200/items/_search?pretty=true' -d '
{
  "query" : {
    "match_all" : {}
  },
  "filter" : {
    "and" : [
      { "term" : { "type" : "TV" } },
      { "term" : { "characteristics" : "warranty_3 years" } },
      { "term" : { "characteristics" : "screen size_32 in" } }
    ]
  },
  "facets" : {
    "screen size" : {
      "terms" : { 
        "field" : "characteristics",
        "regex" : "screen size_.*",
        "regex_flags" : "DOTALL"
      },
      "facet_filter" : {
        "and" : [
          { "term" : { "type" : "TV" } },
          { "term" : { "characteristics" : "warranty_3 years" } }
        ]
      }
    },
    "warranty" : {
      "terms" : { 
        "field" : "characteristics",
        "regex" : "warranty_.*",
        "regex_flags" : "DOTALL"
      },
      "facet_filter" : {
        "and" : [
          { "term" : { "type" : "TV" } },
          { "term" : { "characteristics" : "screen size_32 in" } }
        ]
      }
    },
    "type" : {
      "terms" : { "field" : "type" },
      "facet_filter" : {
        "and" : [
          { "term" : { "characteristics" : "warranty_3 years" } },
          { "term" : { "characteristics" : "screen size_32 in" } }
        ]
      }
    },
    "name" : {
      "terms" : { "field" : "name" },
      "facet_filter" : {
        "and" : [
          { "term" : { "type" : "TV" } },
          { "term" : { "characteristics" : "warranty_3 years" } },
          { "term" : { "characteristics" : "screen size_32 in" } }
        ]
      }
    }
  }
}
'