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[pgsql-general 2011-1-21:] Are there any projects interested in object functionality? (+ rule bases)

From: Jörg Roman Rudnick <joerg(dot)rudnick(at)t-online(dot)de>
To: pgsql-hackers(at)postgresql(dot)org
Subject: [pgsql-general 2011-1-21:] Are there any projects interested in object functionality? (+ rule bases)
Date: 2011-01-31 08:32:54
Message-ID: 4D4673B6.9070809@uni-essen.de (view raw or flat)
Thread:
Lists: pgsql-hackers
Dear all,

for the sake academic teaching, a colleague asked me in how far 
PostgreSQL does support object functionality these days.

I am afraid my web research was not very fruitful to him; the impression 
is that hardly anybody is occupied in working on PostgreSQL object 
functionality -- have ORM mappers grown so strong?

The docs report that the SQL/OLB ISO/IEC 9075-10 part of the SQL 
standard have no implementation yet.

So I'd like to place my questions here:

* are there any people / projects known which are interested in ORDBMS / 
OODBMS usage of PostgreSQL? Strict SQL standard conformance is less 
important than the possibility to provide instructive and impressive 
examples to students.

* are there any people / projects known which are interested in 
extending PostgreSQL at a higher level (plpgsql, creating operators, 
etc.) for the sake of ORDBMS / OODBMS functionality?

* are there any people / projects known which are interested in 
extending PostgreSQL on the level of developing C code for the sake of 
ORDBMS / OODBMS functionality?

* in how far does the backend support such efforts -- would it do fine, 
or is rather to be expected that doing ORDBMS / OODBMS driven queries 
would lead to disastrous performance?

* are there any people / projects known which are interested in using 
the rule (?trigger?) system of PostgreSQL (maybe with extensions) to 
achieve some kind of rule base / datalog type inference engines? In how 
far does the backend constrain this in regard of performance?

Thanks a lot in advance,

     Nick


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