# Filterrows using a subquery

**URL:** <https://discuss.elastic.co/t/filterrows-using-a-subquery/241122>\
**Category:** Kibana\
**Tags:** canvas\
**Created:** [July 14, 2020, 11:45am UTC](https://discuss.elastic.co/t/filterrows-using-a-subquery/241122 "2020-07-14T11:45:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ayden](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ayden/32/51432_2.png) [@Ayden](https://discuss.elastic.co/u/Ayden)\
**Post date:** [July 14, 2020, 11:45am UTC](https://discuss.elastic.co/t/filterrows-using-a-subquery/241122/1 "2020-07-14T11:45:16Z")

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Hello,

I'm trying to filter the result of a query using a subquery. Since elastic sql does not support it, I'm trying to do this using a canvas function. Is this possible using canvas function? Is there any other way?

Here is an example of what I have:

```auto
filters
| essql query="SELECT id, name, catalog_id FROM \"item_index*\" order by @timestamp\"" 
| filterrows fn={getCell "catalog_id" | eq 1} 

```

Working but I want to replace the hardcoded 1 with a query.

What I tried but not working:

```auto
filters
| essql 
  query="SELECT id, name, catalog_id FROM \"item_index*\" order by \"@timestamp\""  
| filterrows fn={getCell "catalog_id" | eq {essql query= "Select catalog_id FROM \"catalog_index*\" 
 Order by "@timestamp" desc LIMIT 1} }

```

Thanks in advance.

---

<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:** [August 11, 2020, 11:45am UTC](https://discuss.elastic.co/t/filterrows-using-a-subquery/241122/2 "2020-08-11T11:45:21Z")

</div>

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