| From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
|---|---|
| To: | Mike <mike(at)fonolo(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: intercepting WAL writes |
| Date: | 2008-05-28 23:46:44 |
| Message-ID: | 36e682920805281646o6cac11a8lc9e6a23810f7d705@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, May 28, 2008 at 7:11 PM, Mike <mike(at)fonolo(dot)com> wrote:
> Can somebody point to the most logical place in the code to intercept the
> WAL writes? (just a rough direction would be enough)
XLogInsert
> or if this doesn't make sense at all, another suggestion on where to get
> the data? (I'm trying to avoid doing it using triggers).
Without triggers, you don't have many options. With triggers, you
could use pg_memcache. If you take it from the WAL, you'll have to do
a bit of decoding to make it usable in the context you're looking for,
which is quite a bit of work.
--
Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
499 Thornall Street, 2nd Floor | jonah(dot)harris(at)enterprisedb(dot)com
Edison, NJ 08837 | http://www.enterprisedb.com/
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