On Jun 23, 2010, at 16:35 , Jeremy Evans wrote:
> On Jun 23, 4:04 pm, Dave Howell <[email protected]> wrote:
>> I feel silly asking this, but I haven't been able to figure out how to get
>> this to work. I want to create the Sequel equivalent of this query:
>>
>> SELECT DISTINCT substring(name for 1) FROM products ORDER BY 1
>
> You can't do it all directly, as the "name for 1" isn't handled by the
> standard function argument processing. The closest you can get is:
>
> DB[:products].distinct.select{substring('name for 1'.lit)}.order(1)
Ah. String.lit was the little piece I hadn't been able to discover for myself.
. . . hmm. doesn't work. I et
ArgumentError: wrong number of arguments (1 for 0)
if I include the .lit part.
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