gistfile1.txt

curl -XGET 'http://127.0.0.1:9200/articles/_search?pretty=1'  -d '
{
   "query" : {
      "bool" : {
         "should" : [
            {
               "filtered" : {
                  "filter" : {
                     "type" : {
                        "value" : "article"
                     }
                  },
                  "query" : {
                     "field" : {
                        "_all" : "t*"
                     }
                  }
               }
            },
            {
               "constant_score" : {
                  "filter" : {
                     "type" : {
                        "value" : "tags"
                     }
                  }
               }
            }
         ]
      }
   },
   "filter" : {
      "type" : {
         "value" : "article"
      }
   },
   "facets" : {
      "tags" : {
         "terms" : {
            "field" : "tags"
         }
      }
   }
}
'

# [Thu Nov 10 12:35:30 2011] Response:
# {
#    "hits" : {
#       "hits" : [
#          {
#             "_source" : {
#                "title" : "Two"
#             },
#             "_score" : 0.35355338,
#             "_index" : "articles",
#             "_id" : "2",
#             "_type" : "article"
#          },
#          {
#             "_source" : {
#                "title" : "Three"
#             },
#             "_score" : 0.35355338,
#             "_index" : "articles",
#             "_id" : "3",
#             "_type" : "article"
#          }
#       ],
#       "max_score" : 0.35355338,
#       "total" : 2
#    },
#    "timed_out" : false,
#    "_shards" : {
#       "failed" : 0,
#       "successful" : 5,
#       "total" : 5
#    },
#    "facets" : {
#       "tags" : {
#          "other" : 0,
#          "terms" : [
#             {
#                "count" : 2,
#                "term" : "foo"
#             },
#             {
#                "count" : 1,
#                "term" : "bar"
#             }
#          ],
#          "missing" : 2,
#          "_type" : "terms",
#          "total" : 3
#       }
#    },
#    "took" : 2
# }