Re: BLOB performance test FYI
От | Joe Shevland |
---|---|
Тема | Re: BLOB performance test FYI |
Дата | |
Msg-id | HEECIHEEJDBMCCGMGIOBOECOCHAA.jshevland@j-elite.com обсуждение исходный текст |
Ответ на | Re: BLOB performance test FYI ("Joe Shevland" <jshevland@j-elite.com>) |
Список | pgsql-jdbc |
> PS. Someone raised the PG-Java procedural language the other day. > When that idea comes to fruition it will be an Incredibly Great > Thing(TM).... but then I thought about about the separation of > data and logic, and thought that it's overkill for the database > to do that. Thoughts? I was thinking maybe a pseudo ... was going to rant about a pseudo-Java language but came to a decision its a pretty tough issue ;) What about (and I haven't had a good look into the sources referenced the other day on Sourceforge yet, again prolly treadingold ground): * Using tools.jar to parse and compile the function source code * One JVM per PostgreSQL server (configurable via postgresql.conf) * One classloader per database to keep things clean and separate * JSP-like compilation - functions compiled when there is a change in the code, or first created. Otherwise remains memoryresident as a class instance, and/or is created on server startup. * Communication would be via JNI (Java<->C): the JVM would be assumed to be resident on the same server... unless we'd wantto look at load balancing, again I keep thinking of the boundaries of what the db should do. * Mapping between Java and PG types handled by a central thing Wading further and further into deep water here I think, Cheers, Joe
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