# After ES7.5 why "WHERE isn't (yet) compatible with scalar functions on nested fields"

**URL:** <https://discuss.elastic.co/t/after-es7-5-why-where-isnt-yet-compatible-with-scalar-functions-on-nested-fields/352611>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-sql\
**Created:** [February 6, 2024, 8:48am UTC](https://discuss.elastic.co/t/after-es7-5-why-where-isnt-yet-compatible-with-scalar-functions-on-nested-fields/352611 "2024-02-06T08:48:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![muhao1020](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/muhao1020/32/131464_2.png) [@muhao1020](https://discuss.elastic.co/u/muhao1020)\
**Post date:** [February 6, 2024, 8:48am UTC](https://discuss.elastic.co/t/after-es7-5-why-where-isnt-yet-compatible-with-scalar-functions-on-nested-fields/352611/1 "2024-02-06T08:48:12Z")

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ref : [SQL Limitations | Elasticsearch Guide [7.10] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/7.10/sql-limitations.html#_scalar_functions_on_nested_fields_are_not_allowed_in_where_and_order_by_clauses)  
why above limit occurded?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 5, 2024, 8:49am UTC](https://discuss.elastic.co/t/after-es7-5-why-where-isnt-yet-compatible-with-scalar-functions-on-nested-fields/352611/2 "2024-03-05T08:49:05Z")

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