Re: "no unpinned buffers available" ? why? (hstore and plperl involved)

hubert depesz lubaczewski wrote:
> On 1/3/07, Richard Huxton <dev@archonet.com> wrote:
>>
>> If you do that separately at the start of the process, (one query per
>> custom column in the old table) then it becomes straightforward.
>>
>
> no, because meaning of "col1" in advert_custom_fields is different for each
> record.
> for one record it's codename might be "email" for another record it
> might be
> "engine size".
And is that not what's stored in "v_category_custom_fields"? So you can
do the transformation and get (advert_id=1, codename='col1',
value='vvv') then use v_category_custom_fields to update the 'col1' part.