RE: [elephant-devel] Query System

2008-05-14 Thread V. Glenn Tarcea
es me feel mentally challenged (well... more so than my usually state :-) ). Glenn -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Wednesday, May 14, 2008 3:07 PM To: Elephant bugs and development Subject: Re: [elephant-devel] Query S

Re: [elephant-devel] Query System

2008-05-14 Thread Ian Eslick
say that "The Art of the Meta Object Protocol" is one of the best comp sci books in my collection. Glenn -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ian Eslick Sent: Wednesday, May 14, 2008 2:16 PM To: Elephant bugs and development Sub

Re: [elephant-devel] Query System

2008-05-14 Thread [EMAIL PROTECTED]
ject Protocol" is one of the best comp sci books in my collection. Glenn -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ian Eslick Sent: Wednesday, May 14, 2008 2:16 PM To: Elephant bugs and development Subject: Re: [elephant-devel] Query

RE: [elephant-devel] Query System

2008-05-14 Thread V. Glenn Tarcea
EMAIL PROTECTED] On Behalf Of Ian Eslick Sent: Wednesday, May 14, 2008 2:16 PM To: Elephant bugs and development Subject: Re: [elephant-devel] Query System Hi Daniel, Welcome to the Metaobject Protocol, aka the MOP! There is a rich embedded language for introspecting over and manipulating the cl

Re: [elephant-devel] Query System

2008-05-14 Thread Ian Eslick
Hi Daniel, Welcome to the Metaobject Protocol, aka the MOP! There is a rich embedded language for introspecting over and manipulating the class system in lisp that Elephant uses heavily. You could have a procedure extract the and caches the essential information from the class slot defi

Re: [elephant-devel] Query System

2008-05-14 Thread [EMAIL PROTECTED]
I've digested Ian and Leslie's comments on this thread and think we're all on the same page now. I've been reading different papers and other OODBMs in trying to propose a querying syntax and am pretty close to completing this now. However, I have some doubts for which I'll need someone's h

Re: [elephant-devel] Query System

2008-05-10 Thread Leslie P. Polzer
> My other strong suggestion, besides starting by capturing the major > use cases, is that we begin by implementing a procedural approach by > implementing the building blocks for filter, sort, intersect, etc. If > we take the list of four filtering approaches above, we can start > writing code t

Re: [elephant-devel] Query System

2008-05-10 Thread Ian Eslick
On May 10, 2008, at 12:26 AM, [EMAIL PROTECTED] wrote: Hi Ian, Thanks for your comments. They do make some points a bit clearer and bring others to the table. I'd like to see others comment as well before we continue moving forward. In summary, I agree to follow your suggestion. However,

Re: [elephant-devel] Query System

2008-05-09 Thread [EMAIL PROTECTED]
Hi Ian, Thanks for your comments. They do make some points a bit clearer and bring others to the table. I'd like to see others comment as well before we continue moving forward. In summary, I agree to follow your suggestion. However, one thing that still remains unclear to me is the type

Re: [elephant-devel] Query System

2008-05-09 Thread Ian Eslick
Welcome back Daniel, we all know the work drill! Here are a few thoughts to throw into the mix... One advantage of the relational model is that you have implicit data structures (tables) that can be assembled from existing tables via the SQL query. This is nice because it means we don't hav

[elephant-devel] Query System

2008-05-09 Thread [EMAIL PROTECTED]
Hello everyone, I apologize for being disconnected for so long. I had volunteered to help in the query system and should have done more progress by now. Unfortunately, the same as some (most or all) of you, putting food on the table for my family has a higher priority and my current job has