problem with boolean fields

boolean-flag-problem.sh

echo "\nSetup test index"
curl -XDELETE "http://localhost:9200/booltest"
curl -XPUT 'http://localhost:9200/booltest/' -d '
{
  "settings": {
    "index": {
      "number_of_shards": 1,
      "number_of_replicas": 0
    },
    "mappings": {
      "thing": {
        "properties": {
          "flag": { "type" : "boolean" }
        },
        "_all": {
          "enabled": "false"
        }
      }
    }
  }
}
'
echo "\nok to start"
curl -XGET "http://localhost:9200/_cluster/health?wait_for_status=green&timeout=10s"
echo "\ndoc 1"
curl -XPUT 'http://localhost:9200/booltest/thing/1' -d '
{
  "flag": true
}
'
echo "\ndoc 2"
curl -XPUT 'http://localhost:9200/booltest/thing/2' -d '
{
  "flag": true
}
'
echo "\ndoc 3"
curl -XPUT 'http://localhost:9200/booltest/thing/3' -d '
{
  "flag": false
}
'
echo "\ndoc 4"
curl -XPUT 'http://localhost:9200/booltest/thing/4' -d '
{
  "flag": false
}
'
echo "\nrefreshing....."
curl -XPOST 'http://localhost:9200/booltest/_refresh?pretty=true'
echo "\ndo a search - see the terms....."
curl -XGET 'http://localhost:9200/booltest/thing/_search?pretty=true' -d '
{
  "from": 0,
  "size": 0,
  "query": { "match_all" : {}},
  "facets": {
    "flag_terms": {
      "terms": {
        "field": "flag"
      }
    }
  }
}
'
echo "\ndo a search - filter for flag=true fails.... should be 2!"
curl -XGET 'http://localhost:9200/booltest/thing/_search?pretty=true' -d '
{
  "from": 0,
  "size": 0,
  "query": {
    "filtered": {
      "query": {
        "match_all": {}
      },
      "filter": {
        "and": {
          "filters": [
            {
              "term": {
                "flag": true
              }
            }
          ]
        }
      }
    }
  },
  "facets": {
    "flag_terms": {
      "terms": {
        "field": "flag"
      }
    }
  }
}
'
echo "\nprint ES info"
curl -XGET http://localhost:9200/
echo "\nprint java version info"
java -version

sh output

Setup test index
{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}
ok to start
{"cluster_name":"elasticsearch","status":"green","timed_out":false,"number_of_nodes":1,"number_of_data_nodes":1,"active_primary_shards":2,"active_shards":2,"relocating_shards":0,"initializing_shards":0,"unassigned_shards":0}
doc 1
{"ok":true,"_index":"booltest","_type":"thing","_id":"1","_version":1}
doc 2
{"ok":true,"_index":"booltest","_type":"thing","_id":"2","_version":1}
doc 3
{"ok":true,"_index":"booltest","_type":"thing","_id":"3","_version":1}
doc 4
{"ok":true,"_index":"booltest","_type":"thing","_id":"4","_version":1}
refreshing.....
{
  "ok" : true,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  }
}
do a search - see the terms.....
{
  "took" : 4,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "hits" : {
    "total" : 4,
    "max_score" : 1.0,
    "hits" : [ ]
  },
  "facets" : {
    "flag_terms" : {
      "_type" : "terms",
      "missing" : 0,
      "total" : 4,
      "other" : 0,
      "terms" : [ {
        "term" : "F",
        "count" : 2
      }, {
        "term" : "t",
        "count" : 1
      }, {
        "term" : "T",
        "count" : 1
      } ]
    }
  }
}
do a search - filter for flag=true fails.... should be 2!
{
  "took" : 1,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "hits" : {
    "total" : 1,
    "max_score" : 1.0,
    "hits" : [ ]
  },
  "facets" : {
    "flag_terms" : {
      "_type" : "terms",
      "missing" : 0,
      "total" : 1,
      "other" : 0,
      "terms" : [ {
        "term" : "T",
        "count" : 1
      } ]
    }
  }
}
print ES info
{
  "ok" : true,
  "status" : 200,
  "name" : "Human Fly",
  "version" : {
    "number" : "0.20.1",
    "snapshot_build" : false
  },
  "tagline" : "You Know, for Search"
}
print java version info
java version "1.7.0_09"
Java(TM) SE Runtime Environment (build 1.7.0_09-b05)
Java HotSpot(TM) 64-Bit Server VM (build 23.5-b02, mixed mode)