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Re: [RFC] CREATE QUEUE (log-only table) for londiste/pgQ ccompatibility - Mailing list pgsql-hackers

From Greg Stark
Subject Re: [RFC] CREATE QUEUE (log-only table) for londiste/pgQ ccompatibility
Date
Msg-id CAM-w4HOcgdYQxs2Ce0psGCf3QDP2HvioOD4XPQwh+BLNch9T_g@mail.gmail.com
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In response to Re: [RFC] CREATE QUEUE (log-only table) for londiste/pgQ ccompatibility  (Hannu Krosing <hannu@2ndQuadrant.com>)
Responses Re: [RFC] CREATE QUEUE (log-only table) for londiste/pgQ ccompatibility  (Christopher Browne <cbbrowne@gmail.com>)
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On Wed, Oct 17, 2012 at 11:26 AM, Hannu Krosing <hannu@2ndquadrant.com> wrote:
> The simplest usage would be implementing "remote log tables" that is
> tables, where you do INSERT on the master side, but it "inserts" only
> a logical WAL record and nothing else.
>
> On subscriber side your replay process reads this WAL record as an
> "insert event" and if the table is declared as an ordinary table on
> subscriber, it performs an insert there.

What kinds of applications would need that?

-- 
greg

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