[Zope3-dev] Re: [ZODB-Dev] I want Object Gadfly

[Jim Fulton]

Martijn Faassen wrote:
> Jim Fulton wrote:
> 
>>>So, we're planning to run an RDB along side the ZODB to maintain the
>>>relationships and metadata. Haven't worked out the detailed, but this
>>>architecture is, IMO, the way to go.
>>
>>Note that that's not what I want. I want a relational database
>>on *top* of an object database.  (I also want an object database
>>on top of a relational database, but Shane is doing that with APE. ;)
> 
> 
> Just coming in from a tangent. I'm doing an XML database on top of the object 
> database. But I use XPath instead of SQL, and so far I've not thought
> much about supporting XPath queries into arbitrary XML-ified objects.
> Note that this fulfills quite different requirements (no relations; I use
> joins, but only internally), I just thought it would be cute to note the
> orthogonality.

XPath is good at digging things out of hierarchies and, IMO, makes
a good basis for an object query language.

Jim


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