# Compare fields' value in es query dsl

**URL:** <https://discuss.elastic.co/t/compare-fields-value-in-es-query-dsl/232758>\
**Category:** Elasticsearch\
**Created:** [May 15, 2020, 6:09am UTC](https://discuss.elastic.co/t/compare-fields-value-in-es-query-dsl/232758 "2020-05-15T06:09:02Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Leslie\_xxx](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/leslie_xxx/32/67845_2.png) [@Leslie\_xxx](https://discuss.elastic.co/u/Leslie_xxx)\
**Post date:** [May 15, 2020, 6:09am UTC](https://discuss.elastic.co/t/compare-fields-value-in-es-query-dsl/232758/1 "2020-05-15T06:09:02Z")

</div>

ES： v7.6

About es query dsl.

When I use script, it doesn't work:

```auto
script: {
  "source": "doc[a.aa].value == doc[b.bb.bbb]"
}

```

It's the wrong way, so what should I do?

Thanks?

---

<div class="post-metadata">

**Author:** ![Leslie\_xxx](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/leslie_xxx/32/67845_2.png) [@Leslie\_xxx](https://discuss.elastic.co/u/Leslie_xxx)\
**Post date:** [May 15, 2020, 6:10am UTC](https://discuss.elastic.co/t/compare-fields-value-in-es-query-dsl/232758/2 "2020-05-15T06:10:42Z")

</div>

```auto
script: {
  "source": "doc[a.aa].value == doc[b.bb.bbb].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:** [June 12, 2020, 6:10am UTC](https://discuss.elastic.co/t/compare-fields-value-in-es-query-dsl/232758/3 "2020-06-12T06:10:46Z")

</div>

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