Re: some questions about S02(type)

2009-04-05 Thread Timothy S. Nelson
On Sat, 4 Apr 2009, Darren Duncan wrote: Speaking of libraries, I already implemented a table type ... it's called Set::Relation/::V2 and its on CPAN right now ... for Perl 5 ... I still have to port it to Perl 6, unless someone else wants to do that, but I designed it so that would be easy to

Re: Dallas.p6m

2009-04-05 Thread Chris Dolan
On Mar 19, 2009, at 2:35 PM, Andy Lester wrote: I love love LOVE starting to get people together to talk about Perl 6. It's a crucial step in letting people know that Perl 6 is real. However, starting social groups that say they are specifically about Perl 6 makes me uncomfortable. I th

Fwd: Multi-Dimensional arrays

2009-04-05 Thread Carl Mäsak
-- Forwarded message -- From: Carl Mäsak Date: Sun, Apr 5, 2009 at 9:30 AM Subject: Re: Multi-Dimensional arrays To: Peter Schwenn Peter (>): > I've had inconsistent/incorrect results, once having created an array > of array of arrays, both while addressing elements in it as > @

Fwd: Multi-Dimensional arrays

2009-04-05 Thread Peter Schwenn
-- Forwarded message -- From: Peter Schwenn Date: Apr 4, 2009 3:14 PM Subject: Re: Multi-Dimensional arrays To: Carl Mäsak I've had inconsistent/incorrect results, once having created an array of array of arrays, both while addressing elements in it as @A[l][m][n]=x and as @a[

Re: some questions about S02(type)

2009-04-05 Thread Xiao Yafeng
I don't think an array of hashes and a hash of arrays could perfectly represent a Table type. There are several important facts of a relational model:unordered columns and tupples, various constraints on columns. E.g. how can we represent multi-unique constraints as an array of hashes? On 4/4/09,