ElasticSearch prefix query

# [Wed Mar  2 16:59:10 2011] Protocol: http, Server: 127.0.0.1:9200
curl -XPUT 'http://127.0.0.1:9200/foo/'  -d '
{
   "mappings" : {
      "bar" : {
         "properties" : {
            "text" : {
               "index" : "not_analyzed",
               "type" : "string"
            }
         }
      }
   }
}
'

# [Wed Mar  2 16:59:10 2011] Response:
# {
#    "ok" : true,
#    "acknowledged" : true
# }

# [Wed Mar  2 16:59:13 2011] Protocol: http, Server: 127.0.0.1:9200
curl -XPOST 'http://127.0.0.1:9200/_bulk'  -d '
{"index" : {"_index" : "foo", "_id" : 1, "_type" : "bar"}}
{"text" : "blue"}
{"index" : {"_index" : "foo", "_id" : 2, "_type" : "bar"}}
{"text" : "blue red"}
{"index" : {"_index" : "foo", "_id" : 3, "_type" : "bar"}}
{"text" : "red"}
'

# [Wed Mar  2 16:59:13 2011] Response:
# {
#    "items" : [
#       {
#          "index" : {
#             "ok" : true,
#             "_index" : "foo",
#             "_id" : "1",
#             "_type" : "bar",
#             "_version" : 1
#          }
#       },
#       {
#          "index" : {
#             "ok" : true,
#             "_index" : "foo",
#             "_id" : "2",
#             "_type" : "bar",
#             "_version" : 1
#          }
#       },
#       {
#          "index" : {
#             "ok" : true,
#             "_index" : "foo",
#             "_id" : "3",
#             "_type" : "bar",
#             "_version" : 1
#          }
#       }
#    ],
#    "took" : 2
# }

# [Wed Mar  2 16:59:16 2011] Protocol: http, Server: 127.0.0.1:9200
curl -XGET 'http://127.0.0.1:9200/foo/_search'  -d '
{
   "query" : {
      "prefix" : {
         "text" : "blue"
      }
   }
}
'

# [Wed Mar  2 16:59:17 2011] Response:
# {
#    "hits" : {
#       "hits" : [
#          {
#             "_source" : {
#                "text" : "blue"
#             },
#             "_score" : 1,
#             "_index" : "foo",
#             "_id" : "1",
#             "_type" : "bar"
#          },
#          {
#             "_source" : {
#                "text" : "blue red"
#             },
#             "_score" : 1,
#             "_index" : "foo",
#             "_id" : "2",
#             "_type" : "bar"
#          }
#       ],
#       "max_score" : 1,
#       "total" : 2
#    },
#    "timed_out" : false,
#    "_shards" : {
#       "failed" : 0,
#       "successful" : 5,
#       "total" : 5
#    },
#    "took" : 2
# }