2013-03-28 03:13:01 +0000
Similarly to a normal PostgreSQL child process, a custom background worker should be running using a loop that can be interrupted with signals to update a given status or simply exit the process. Two types of signals are handled by custom background workers in the PostgreSQL architecture: SIGHUP and SIGTERM.
Read more...2013-03-21 03:05:27 +0000
PostgreSQL extensibility is awesome. With things like extensions or custom worker backgrounds, there are many ways for a PostgreSQL developer to create modules without having to touch a single line of the core code at all. Among those tools, PostgreSQL contains a set of hooks that can be used to plug customized code at certain points of the server processing. Hooks are not documented at all, so if you want to know more about them you need either to have a look directly at the PostgreSQL code or to read the slides of the presentation about hooks given by Guillaume Lelarge at PGcon 2012. Personally I recommend the latter, Guillaume’s presentation being really good.
Read more...2013-03-14 06:08:34 +0000
A new set of APIs for foreign data wrappers has been added to allow writable operations on foreign sources. This feature has been committed by Tom Lane a couple of days ago.
Read more...2013-03-08 02:11:14 +0000
PostgreSQL 9.3 comes with a pretty cool feature called materialized views. It has been created by Kevin Grittner and committed by the same person not so long ago.
Read more...2013-02-27 01:15:23 +0000
pg_xlogdump is a new contrib module introduced in PostgreSQL 9.3 by this commit.
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