As per documentation, I achieved this by:
Subscription.select{ sum( Sequel[:bounty_packages][:storage_size]) + sum(
Sequel[:subscription_packages][:storage_size]) }
.left_join(:subscription_packages, id: :subscription_package_id)
.left_join(:bounty_packages, id: Sequel[:subscriptions][:
bounty_package_id])
.where(user: user)
Let me know if there is a better way.
Thanks,
Genc.
On Monday, January 14, 2019 at 8:59:09 PM UTC+3, genc wrote:
>
> Hi Jeremy,
>
> This is my SQL query:
>
> select sum(sp.storage_size) + sum(bp.storage_size) as storage_size
> from subscriptions s
> left join subscription_packages sp on s.subscription_package_id = sp.id
> left join bounty_packages bp on s.bounty_package_id = bp.id
> where s.user_id = 4;
>
>
> However, second left join is always broken:
>
> Subscription.select{ sum(Sequel[:'bounty_packages.storage_size']) + sum(
> Sequel[:'subscription_packages.storage_size']) }
> .left_join(:subscription_packages, id: :subscription_package_id)
> .left_join(:bounty_packages, id: :bounty_package_id) # this join
> trying to join previous join (subscription_packages) not the main
> 'subscriptions' table
> .where(user: user)
>
> Is there a wiser way to accomplish my query with Sequel?
>
> Thanks,
> Genc.
>
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