The date query returns no hits but the Impressions query works

datesearch.sh

curl -XPUT 'http://localhost:9200/test1' -d '{
    "mappings" : {
        "entity" : {
            "properties" : {
                "Headline" : {
                    "type" : "string", "index" : "not_analyzed"
                },
                "Line1" : {
                    "type" : "string", "index" : "not_analyzed"
                },
                "TCID" : {
                    "type" : "integer"
                },
                "NwAccountID" : {
                    "type" : "integer"
                }
            }
        },
        "fact" : {
            "_parent" : {
                "type" : "entity"
            },
            "_routing" : {
                "required" : "false" 
            },
            "properties" : {
                "TCID" : {
                    "type" : "integer"
                },
                "NwAccountID" : {
                    "type" : "integer"
                },
                "Date" : {
                    "type" : "date", "format" : "YYYYMMdd"
                },
                "Conversions" : {
                    "type" : "integer"
                },
                "Impressions" : {
                    "type" : "integer"
                }
            }
        }
    }
}'

curl -XPUT 'http://localhost:9200/test1/entity/2331_34221' -d '{
    "Headline" : "Black shoes",
    "Line1" : "Awesome shoes",
    "TCID" : 34221,
    "NwAccountID" : 2331
}'

curl -XPUT 'http://localhost:9200/test1/entity/2331_34225' -d '{
    "Headline" : "Red shoes",
    "Line1" : "Awesome shoes",
    "TCID" : 34225,
    "NwAccountID" : 2331
}'

curl -XPUT 'http://localhost:9200/test1/entity/2331_34223' -d '{
    "Headline" : "Red shoes",
    "Line1" : "Awesome red shoes",
    "TCID" : 34223,
    "NwAccountID" : 2331 
}'

curl -XPUT 'http://localhost:9200/test1/entity/2331_34442' -d '{
    "Headline" : "Black shoes",
    "Line1" : "Awesome black shoes",
    "TCID" : 34442,
    "NwAccountID" : 2331
}'

curl -XPUT 'http://localhost:9200/test1/entity/2330_33421' -d '{
    "Headline" : "Red shoes",
    "Line1" : "Awesome red shoes",
    "TCID" : 33421,
    "NwAccountID" : 2330
}'

curl -XPUT 'http://localhost:9200/test1/entity/2331_34427' -d '{
    "Headline" : "Black shoes",
    "Line1" : "Awesome shoes",
    "TCID" : 34427,
    "NwAccountID" : 2331
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34421_20110601?parent=2331_34221' -d '{
    "TCID" : 34221,
    "NwAccountID" : 2331,
    "Date" : 20110601,
    "Conversions" : 2,
    "Impressions" : 10
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34421_20110602?parent=2331_34221' -d '{
    "TCID" : 34221,
    "NwAccountID" : 2331,
    "Date" : 20110602,
    "Conversions" : 3,
    "Impressions" : 5
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34421_20110603?parent=2331_34221' -d '{
    "TCID" : 34221,
    "NwAccountID" : 2331,
    "Date" : 20110603,
    "Conversions" : 1,
    "Impressions" : 4
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34421_20110605?parent=2331_34221' -d '{
    "TCID" : 34221,
    "NwAccountID" : 2331,
    "Date" : 20110605,
    "Conversions" : 5,
    "Impressions" : 7
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34425_20110602?parent=2331_34225' -d '{
    "TCID" : 34225,
    "NwAccountID" : 2331,
    "Date" : 20110602,
    "Conversions" : 3,
    "Impressions" : 11
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34425_20110603?parent=2331_34225' -d '{
    "TCID" : 34225,
    "NwAccountID" : 2331,
    "Date" : 20110604,
    "Conversions" : 6,
    "Impressions" : 9
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34223_20110604?parent=2331_34223' -d '{
    "TCID" : 34223,
    "NwAccountID" : 2331,
    "Date" : 20110604,
    "Conversions" : 3,
    "Impressions" : 5
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34223_20110605?parent=2331_34223' -d '{
    "TCID" : 34223,
    "NwAccountID" : 2331,
    "Date" : 20110605,
    "Conversions" : 4,
    "Impressions" : 9
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34223_20110606?parent=2331_34223' -d '{
    "TCID" : 34223,
    "NwAccountID" : 2331,
    "Date" : 20110606,
    "Conversions" : 2,
    "Impressions" : 3
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34442_20110601?parent=2331_34442' -d '{
    "TCID" : 34442,
    "NwAccountID" : 2331,
    "Date" : 20110601,
    "Conversions" : 1,
    "Impressions" : 7
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34442_20110602?parent=2331_34442' -d '{
    "TCID" : 34442,
    "NwAccountID" : 2331,
    "Date" : 20110602,
    "Conversions" : 3,
    "Impressions" : 4
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34442_20110605?parent=2331_34442' -d '{
    "TCID" : 34442,
    "NwAccountID" : 2331,
    "Date" : 20110605,
    "Conversions" : 4,
    "Impressions" : 7
}'

curl -XPUT 'http://localhost:9200/test1/fact/2330_34421_20110604?parent=2330_34421' -d '{
    "TCID" : 34421,
    "NwAccountID" : 2330,
    "Date" : 20110604,
    "Conversions" : 9,
    "Impressions" : 10
}'

curl -XPUT 'http://localhost:9200/test1/fact/2330_34421_20110606?parent=2330_34421' -d '{
    "TCID" : 34421,
    "NwAccountID" : 2330,
    "Date" : 20110606,
    "Conversions" : 4,
    "Impressions" : 5
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34427_20110603?parent=2331_34427' -d '{
    "TCID" : 34427,
    "NwAccountID" : 2331,
    "Date" : 20110603,
    "Conversions" : 4,
    "Impressions" : 9
}'

curl -XPUT 'http://localhost:9200/test1/fact/2331_34427_20110605?parent=2331_34427' -d '{
    "TCID" : 34427,
    "NwAccountID" : 2331,
    "Date" : 20110605,
    "Conversions" : 5,
    "Impressions" : 11
}'


curl 'http://localhost:9200/test1/fact/_search?pretty=true' -d '{
    "filter" : {
        "term" : {
            "Date" : 20110603
        }
    }
}'

{
  "took" : 6,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 0,
    "max_score" : null,
    "hits" : [ ]
  } 
}

curl 'http://localhost:9200/test1/fact/_search?pretty=true' -d '{
    "filter" : {
        "term" : {
            "Impressions" : 4
        }
    }
}'


{
  "took" : 14,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 2,
    "max_score" : 1.0,
    "hits" : [ {
      "_index" : "test1",
      "_type" : "fact",
      "_id" : "2331_34421_20110603",
      "_score" : 1.0, "_source" : {
    "TCID" : 34221,
    "NwAccountID" : 2331,
    "Date" : 20110603,
    "Conversions" : 1,
    "Impressions" : 4
}
    }, {
      "_index" : "test1",
      "_type" : "fact",
      "_id" : "2331_34442_20110602",
      "_score" : 1.0, "_source" : {
    "TCID" : 34442,
    "NwAccountID" : 2331,
    "Date" : 20110602,
    "Conversions" : 3,
    "Impressions" : 4
}
    } ]
  }
}