On Monday, May 14, 2018 at 10:57:14 PM UTC-7, Fatih Genç wrote:
>
> Hi,
>
> I'm tring to build a query with more than 1 table as fallows
>
> ds =
> DB.select("r.year,r.prod,r.type,r.amnt,r.ccur,r.dcnt,r.dbcr,r.rcdt,r.stat
> ,p.code as partner_code,p.desc as partner_desc,p.txid")
> ds = ds.from("#{Rank.table_name.to_s} r","#{Partner.table_name.to_s}
> p")
> ds = ds.where(Sequel.lit('r.ptid = p.id'))
>
> ds.first returns an error "no such table: ranks r"
>
> What should I do to fix this?
>
Probably use Sequel's API to represent the objects:
ds = DB.from(Sequel.as(Rank.table_name, :r), Sequel.as(Partner.table_name,
:p)).
select{[r[:year], r[:prod], r[:type], r[:amnt], r[:ccur], r[:dcnt],
r[:dbcr], r[:cdrt], r[:stat], p[:code].as(:partner_code),
p[:desc].as(:partner_desc), p[:txid]]}.
where{{r[:ptid]=>p[:id]}}
You could also just use Sequel.lit around each argument to select and from.
Thanks,
Jeremy
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