# Executing update by query for a array of arrays

**URL:** <https://discuss.elastic.co/t/executing-update-by-query-for-a-array-of-arrays/326993>\
**Category:** Elasticsearch\
**Created:** [March 5, 2023, 4:30am UTC](https://discuss.elastic.co/t/executing-update-by-query-for-a-array-of-arrays/326993 "2023-03-05T04:30:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![otaviom\_30](https://avatars.discourse-cdn.com/v4/letter/o/eb8c5e/32.png) [@otaviom\_30](https://discuss.elastic.co/u/otaviom_30)\
**Post date:** [March 5, 2023, 4:30am UTC](https://discuss.elastic.co/t/executing-update-by-query-for-a-array-of-arrays/326993/1 "2023-03-05T04:30:27Z")

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Hello!

So, one of the metadata I have indexed is a array of arrays. But, I'm having problems when I try to execute a update by query on it. Here is the sintax I'm using:

"source":"ctx.\_source.Exemple ='[['foobar','10','g/Kg'],['baz','20','g/Kg']]';"

What's wrong, and how do I execute it?

Thank you!

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<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:** [April 2, 2023, 4:31am UTC](https://discuss.elastic.co/t/executing-update-by-query-for-a-array-of-arrays/326993/2 "2023-04-02T04:31:13Z")

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