| From: | Greg Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | Kedar Potdar <kedar(dot)potdar(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Writing values to relation using bytearray ... |
| Date: | 2009-03-06 12:07:57 |
| Message-ID: | 4136ffa0903060407l4318eac0q4553b264719180fb@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 6, 2009 at 12:01 PM, Greg Stark <stark(at)enterprisedb(dot)com> wrote:
> But you have an additional problem for typbyval types: the pointer to
> Datum isn't necessarily pointing at the right bytes. I think you have
> to use the GET_[1248]_BYTES macros depending on typlen. There may be a
> helper function for this but I don't know of one.
Actually on further thought I think I would suggest just storing the
whole datum for all typbyval types setting your bytea length to
SIZEOF_DATUM.
And use datumGetSize() for non-typbyval datums. Assuming you have
typbyval and typlen handy.
--
greg
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