Embedding Postgres "inside" an application

[Joe Lester]

Does anyone know if there's a way to embed the Postgres database inside
an application... so that it runs transparently, without the user even
having to know it's there? I would prefer to use Postgres, but I fear
that I may have to resort to mySQL or some other SQL database that can
be embedded.

I'm building a Cocoa app on OS X and am familiar with the libpq C
library. Thanks!

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[Doug McNaught]

Joe Lester <jo********@swe etwater.com> writes:

Does anyone know if there's a way to embed the Postgres database
inside an application... so that it runs transparently, without the
user even having to know it's there? I would prefer to use Postgres,
but I fear that I may have to resort to mySQL or some other SQL
database that can be embedded.

You can't prevent the server from running as a separate process
(without hugely major surgery) but you can certainly embed the server
in your app bundle and run it "behind the scenes". Picking a place
for the data files, etc might be a little tricky, but it should all be
doable.

AFAIK, MySQL also has to run as a server--I don't think you can link
to it as a library and access its databases from a single process.

-Doug

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[Harald Fuchs]

In article <m3************ @varsoon.wirebo ard.com>,
Doug McNaught <do**@mcnaught. org> writes:

Joe Lester <jo********@swe etwater.com> writes:

Does anyone know if there's a way to embed the Postgres database
inside an application... so that it runs transparently, without the
user even having to know it's there? I would prefer to use Postgres,
but I fear that I may have to resort to mySQL or some other SQL
database that can be embedded.

You can't prevent the server from running as a separate process
(without hugely major surgery) but you can certainly embed the server
in your app bundle and run it "behind the scenes". Picking a place
for the data files, etc might be a little tricky, but it should all be
doable. AFAIK, MySQL also has to run as a server--I don't think you can link
to it as a library and access its databases from a single process.

Wrong. MySQL comes in two flavors, as a standalone server and as an
embedded library.
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