# Basic function usage in Query @filter

**URL:** <https://discourse.julialang.org/t/basic-function-usage-in-query-filter/114642>\
**Category:** General Usage\
**Tags:** query, queryverse\
**Created:** [May 23, 2024, 7:46pm UTC](https://discourse.julialang.org/t/basic-function-usage-in-query-filter/114642 "2024-05-23T19:46:38Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![oheil](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/oheil/32/220745_2.png) [@oheil](https://discourse.julialang.org/u/oheil)\
**Post date:** [May 23, 2024, 8:14pm UTC](https://discourse.julialang.org/t/basic-function-usage-in-query-filter/114642/4 "2024-05-23T20:14:19Z")

</div>

See [Query.jl - filtering on missing data](https://discourse.julialang.org/t/query-jl-filtering-on-missing-data/14898)

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