# Correlating field values between mappings in search

**URL:** <https://discuss.elastic.co/t/correlating-field-values-between-mappings-in-search/89619>\
**Category:** Elasticsearch\
**Created:** [June 15, 2017, 7:31pm UTC](https://discuss.elastic.co/t/correlating-field-values-between-mappings-in-search/89619 "2017-06-15T19:31:08Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![John\_Diaz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/john_diaz/32/14018_2.png) [@John\_Diaz](https://discuss.elastic.co/u/John_Diaz)\
**Post date:** [June 15, 2017, 7:31pm UTC](https://discuss.elastic.co/t/correlating-field-values-between-mappings-in-search/89619/1 "2017-06-15T19:31:08Z")

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Hi,

Basically what i want to do is having a field "ID" in mapping "A", and having a list of values in field "IDS" in mapping "B", i want to get the documents or count the ones that match, just like an IN() clause in other query languages. Reading the docs, i found that groovy scripting may be the answer, but i've tried doing queries without any results, this is my attempt:

{  
"query":{  
"filtered": {  
"query": {"query\_string":{"query":"(\_type: mapping\_a) AND (\_type: mapping\_b)"}},  
"filter": {  
"script": {  
"script": "doc['id'].value == doc['ids'].value"  
}  
}  
}  
}  
}

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 13, 2017, 7:31pm UTC](https://discuss.elastic.co/t/correlating-field-values-between-mappings-in-search/89619/2 "2017-07-13T19:31:35Z")

</div>

Closed on July 13, 2017, 7:31pm UTC

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