On Sunday, May 26, 2019 at 8:10:45 AM UTC-7, xura wrote:
>
> I have this hash:
>
> fields = {
> name: 'John',
> subject: 'Hello'
> }
>
>
> And I send this hash by this:
>
> Email.where(fields).where(another_condition: 4).all
>
> It works, however, When I want to add OR I need to explicitly define them:
>
> fields = [
> {
> name: 'John',
> subject: 'Hello'
> },
> {
> name: 'Mark',
> subject: 'Hi'
>
> }
> ]
>
>
> What I am trying to do here is merge this array of hashes in single WHERE
> with OR:
>
>
> SELECT * FROM emails WHERE another_condition = 4 AND (PUT ORs HERE)
>
> which should look like:
>
> SELECT * FROM emails WHERE another_condition = 4 AND ((name = "John" and
> subject = "Hello") OR (name = "Mark" and subject = "Hi"))
>
> How can I do that with Sequel using array of hashes so array oıf hashes
> becomes ORs (I will add more where (and) after)
>
>
fields = [
{
name: 'John',
subject: 'Hello'
},
{
name: 'Mark',
subject: 'Hi'
}
]
DB[:emails].
where(another_condition: 4).
where(Sequel.|(*fields))
SELECT * FROM "emails"
WHERE (("another_condition" = 4)
AND ((("name" = 'John') AND ("subject" = 'Hello'))
OR (("name" = 'Mark') AND ("subject" = 'Hi'))))
Thanks,
Jeremy
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