I am able to access fields at the document level, the problem is only when
i try to access nested fields with doc['nested_field'] in the script.
Anyone has a solution for this ?
On Wednesday, August 27, 2014 12:54:26 AM UTC-7, Srinivasan Ramaswamy wrote:
>
> I have the following document schema
>
> authorid: 1
> athorName: joshua bloch
> books: [
> {
> bookId: 100
> bookName: effective java
> sales: 200
> },
> {
> bookId: 101
> bookName: Java Puzzlers
> sales: 100
> }
> ]
> sellerTags: ["java book", "effective java", "joshua bloch"]
>
> 'books' is a nested field in the above schema. I am trying to access that
> nested field in a script inside a function query, but something is going
> wrong.
>
> {
> "explain": true,
> "query": {
> "function_score": {
> "boost_mode": "replace",
> "query": {
> "match": { "sellerTags":"java book"}
> },
> "script_score": {
> "params": {
> "param1": 2
> },
> "script": "doc['books.sales'].value * param1 "
> }
> }
> }
> }
>
> Though each document returned has sales in the index, I get a score of 0
> for both the documents i have (I have got one more document that matches
> the query). If it is helpful here is a part of explain string that shows
> that script is making the score as 0
>
> "details": [
> {
> "value": 0,
> "description": "script score function: composed
> of:",
> "details": [
> {
> "value": 3.5981894,
> "description": "sum of:",
> "details": [ ...PerFieldSimilarity...]
> } ]
>
>
>
> Can some one point out the mistake in my query. Why do i get the score as
> 0 and how to fix it ?
>
>
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