gistfile1.txt

curl -XPUT localhost:9200/test -d '{
    "mappings" : {
        "type1" : {
            "properties" : {
                "linkImgUrl":{"type":"string", index:"not_analyzed"}
            }
        }
    }
}'

curl -XPUT localhost:9200/test/type1/1 -d '{
    "linkImgUrl" : "http://upload.wikimedia.org/wikipedia/commons/0/03/Alchemy_of_Happiness.png"
}'

curl -XPOST localhost:9200/test/_refresh

curl localhost:9200/test/_search -d '{
    "query" : {
        "text" : {
            "linkImgUrl" : "http://upload.wikimedia.org/wikipedia/commons/0/03/Alchemy_of_Happiness.png"
        }
    }
}'