ES demo of document fields only working w/ indexed field.

gistfile1.sh

#
# http://www.elasticsearch.org/guide/reference/modules/scripting/
#

# Create the index
curl -XPOST 'http://localhost:9200/people/' -d '{
    "settings" : {
    },
    "mappings" : {
        "person" : {
            "properties" : {
                "name" : {
                    "type": "string",
                    "index": "not_analyzed",
                    "store": true
                },
                "age": {
                    "type": "integer",
                    "index": "no",
                    "store": true
                }
            }
        }
    }
}'

# Add a doc
curl -XPOST 'http://localhost:9200/people/person' -d '{
    "name": "bob",
    "age": 31
}'

curl -XGET 'http://localhost:9200/people/person/_search?pretty=true' -d '
{
    "query": {
        "custom_score": {
            "query": {
                "term": {
                    "name": "bob"
                }
            },

            "script": "doc['age'].value"
        }
    }
}'

# Result is:
{
  "error" : "SearchPhaseExecutionException[Failed to execute phase [query], total failure; shardFailures {[izB33BnDTYmONDWVTT7pyw][people][1]: SearchParseException[[people][1]: from[-1],size[-1]: Parse Failure [Failed to parse source [_na_]]]; nested: ElasticSearchParseException[Failed to derive xcontent from org.elasticsearch.common.bytes.ChannelBufferBytesReference@43dd8f24]; }{[izB33BnDTYmONDWVTT7pyw][people][4]: SearchParseException[[people][4]: from[-1],size[-1]: Parse Failure [Failed to parse source [_na_]]]; nested: ElasticSearchParseException[Failed to derive xcontent from org.elasticsearch.common.bytes.ChannelBufferBytesReference@43dd8f24]; }{[izB33BnDTYmONDWVTT7pyw][people][3]: SearchParseException[[people][3]: from[-1],size[-1]: Parse Failure [Failed to parse source [_na_]]]; nested: ElasticSearchParseException[Failed to derive xcontent from org.elasticsearch.common.bytes.ChannelBufferBytesReference@43dd8f24]; }]",
  "status" : 500

# Changing the age field to {"index": "not_analyzed"} works (the score is 31, Bob's age).