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Multi select form & DB search

Sascha M. asked in General

Hi there,

I want to allow a user to select multiple brands and teams in a select form field. I am using the user's input to create CSV through running a query.

So far I only can query single teams and brands:

 ...
Order.where("created_at between (?) and (?) and brand = ? and team = ?", self.start, self.end, self.brand, self.team).each do |order|
 ...

Do you know how to solve this?

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Hey Sacha,

For those, you actually want to querying using IN so that SQL can look for matches in an array of IDs. For example:

brand_ids = [1,2,3] # These IDs may come from your form params from a multi-select
Order.where(brand_id: brands)
# SELECT "orders".* FROM "orders" WHERE "orders"."brand_id" IN (1, 2, 3)

And remember you can chain your where calls to make it cleaner:

Order.where("created_at between (?) and (?)", self.start, self.end).where(brand: self.brand,  team: self.team)
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