[PD] [psql] object hand-holding
mjmogo at gmail.com
Fri Dec 7 22:32:02 CET 2007
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.
On 12/7/07, andy.graybeal at casanueva.com <andy.graybeal at 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
> 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 :)
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