Any thoughts anyone ? I am primarily looking for an answer to my 2nd
question.
On Tuesday, August 26, 2014 10:14:37 AM UTC-7, Srinivasan Ramaswamy wrote:
>
> I have documents with the above mentioned schema.
>
>
> authorId : 10
> authorName: Joshua Bloch
> books: {
> {
> bookId: 101
> bookName: Effective Java
> description : effective java book with useful recommendations
> Category: 1
> sales: {
> {
> keyword: effective java
> count: 200
> },
> {
> keyword: java tips
> count: 100
> },
> {
> keyword: java joshua bloch
> count: 50
> }
> }
> createDate: 08-25-2014
> },
> {
> bookId: 102,
> bookName: Java Puzzlers
> description : Java Puzzlers: Traps, Pitfalls, and Corner Cases
> Category: 2
> sales: {
> {
> keyword: java puzzlers
> count: 100
> },
> {
> keyword: joshua bloch puzzler
> count: 50
> }
> }
> }
> }
>
> The sales information is stored with each book along with the search query
> that lead to that sales. If the user applied a category filter, I would
> like to count only books that belong to that category.
>
> I would like to sort the list of authors returned based on a function of
> sales data and text match. For eg if the search query is "java" I would
> like to return the above mentioned doc and all other author documents which
> has the term "java" in them. I came up with the following query:
>
> {
> "query": {
> "function_score": {
> "boost_mode": "replace",
> "query": {
> "match": { "bookName":"java"}
> },
> "script_score": {
> "params": {
> "param1": 2
> },
> "script": "doc['books.sales.count'].isEmpty() ? _score :
> _score * doc['books.sales.count'].value * param1 "
> }
> }
> }
> }
>
>
> I have few questions with the query i have above
> 1. The results dont look sorted by sales. I have authors who dont have any
> books with sales in them at the top
> 2. How do i use the sum of all sales for an author (across all books
> within the author document) in the script ? Is there a sum function for the
> nested fields inside a document when using script_score ? Note that sales
> is a nested field inside another nested field products.
> 3. As a next step I would also like to use a filter for keyword within the
> script_score to only include sales whose keyword value matches with the
> search query term
>
> Any help would be much appreciated.
>
> Thanks
> Srini
>
>
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