So, it looks like, from your prototype, that an SQL statement without comma's could be used on the Hot inlet, while those with comma's would have to go into the Cold inlet?

To me, that seems kind of clunky.

Also, I still don't see how the external would know where the end of the SQL statement would be.

Mike


On Dec 7, 2007 7:09 PM, Hans-Christoph Steiner <hans@eds.org> wrote:

I sketched up a quick patch to illustrate what I mean:



.hc

On Dec 7, 2007, at 4:32 PM, Mike McGonagle wrote:

Andy, have you had a chance to check out the SQLite external yet? You can get a copy of it here (  http://puredata.info/Members/mjmogo ), the latest version is 0.13. While this is still under developement, it is based on the work of Jamie (and others), as far as how the SQL is handled. They are not exactly the same, but I would like to make that one of the goals so that these things can be interchangeable.

One thing that I have not done yet is implement any kind of Blob data types. It appears that SQLite3 (not the external, but the database) handles Blobs as binary strings. I still don't know quite how this would work in PD though. I would like to get some feedback from others about how to do this.

As SQLite3 stores its database in a file, rather than a server, there is no need to set up anything for the database (other than designing the tables). Also, if you need to, you can use the tools from SQLite3 to work with the same database file.

I work on the Mac, so the Makefile is setup to build a Universal Binary (thanks to Hans). If you are on another platform, it shouldn't be difficult to compile these things, as SQLite3 is pure ANSI C. When I compile it, there are a lot of warnings generated, but everything works fine. I guess I should turn off all the warnings for that part of the compile.

But, let me know if you try this. I am eager to see how it works for others.

Thanks,

Mike McGonagle


On 12/7/07, andy.graybeal@casanueva.com < andy.graybeal@casanueva.com > wrote:
i installed postgresql, and got it running, created a user for myself,
compiled [psql] from postlude (i'm using pd-extended from cvs).

i opened up the psql-help file and started with the first instruction, and
it created the database fine, i moved to the second command and get this
error:
psql: Action failed. PQresultStatus is PGRES_FATAL_ERROR

i'm wondering where i can look for more information about what is going
wrong, and what i can do to fix it.

i think it would be wonderful if i could start using a database to store
values :)

-andy


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--
Peace may sound simple—one beautiful word— but it requires everything we have, every quality, every strength, every dream, every high ideal.
—Yehudi Menuhin (1916–1999), musician