Re: proposal: plpgsql - iteration over fields of rec or row variable

On Nov 9, 2010, at 1:38 AM, Dmitriy Igrishin wrote:

> * text[] = record_to_array(record)
> * table(id, key, datatype, value) = record_to_table(record)
> * text = record_get_field(record, text)
> * record = record_set_field(record, text, anyelement)
>
> ??
> I personally like it. But I propose to add as well:
>   integer := record_nkeys();
>   text := record_get_field(record, integer);

You realize you can pretty much do all this with hstore, right?

 hstore hash := hstore(record);
 ary    text[] := hstore_to_matrix(hash);
 select * from each(hash); -- TABLE
 text foo := hash -> somekey;
 hash := hash || '"key","value"'::hstore;
 record := populate_record(record, hash);

Best,

David


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