How to filter an array field

[raphodn]

Hi !

I'm struggling to understand if/how I can filter an array field.

I'm using SQLAlchemy + PostgreSQL, and I have a Product.categories_tags field that looks like this : ["en:beverages", "en:orange-juices].

I would like to be able to filter this field in a simple manner, for example : categories_tags__contains=en:beverages Is this something feasible ? a possible linked PR : #395

Thanks in advance for your help, I'd be willing to do a PR if needed :)

[verhovensky]

Also interested

[raphodn]

Fyi, I ended up managing the filtering myself

• adding categories_tags__contains: Optional[str] | None = None in my filter class
• and having a custom filter in the crud

if filters.categories_tags__contains:
    query = query.filter(Product.categories_tags.contains([filters.categories_tags__contains]))
    filters.categories_tags__contains = None

see this PR changes : https://github.com/openfoodfacts/open-prices/pull/234/files

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