thanks!

On Wed, Oct 21, 2020 at 3:24 PM Jeremy Evans <[email protected]> wrote:

> On Wed, Oct 21, 2020 at 10:59 AM Benjamin Hutton <[email protected]>
> wrote:
>
>> hello!
>>
>> We are trying to figure out how to do something like the "from values"
>> part of this SO answer in sequel: https://stackoverflow.com/a/18799497
>>
>> update test as t set
>>     column_a = c.column_a
>> from (values
>>     ('123', 1),
>>     ('345', 2)
>> ) as c(column_b, column_a)
>> where c.column_b = t.column_b;
>>
>> I can't, for the life of me, figure out how to make `from values` (let
>> alone `as`) work together.
>>
>
> DB.from{[test.as(:t), DB.values([['123', 1], ['345', 2]]).as(:c,
> [:column_b, :column_a])]}.
>   where{{c[:column_b]=>t[:column_b]}}.
>   update(:column_a=>Sequel[:c][:column_a])
>
> UPDATE "test" AS "t"
> SET "column_a" = "c"."column_a"
> FROM (VALUES ('123', 1), ('345', 2)) AS "c"("column_b", "column_a")
> WHERE ("c"."column_b" = "t"."column_b")
>
> Thanks,
> Jeremy
>
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