Yes, JOINs would be great to have. Lets start the discussion on what and how to do it.
Cheers, Alex On Mar 12, 2:17 pm, Christopher Lee <[email protected]> wrote: > Hi Alex, > I am reading between the lines of your question; let me know if I'm > misunderstanding. If you have a single query that generates a huge > result set, regardless of whether it gets the results in one step or > via an iterator, getting them all will be slow. But if you intend to > join that query with another query, such that their intersection would > be a much smaller final result set, then it could be implemented much > faster than our current mechanism (which fetches the entire first > result set before doing anything further). Specifically, the two > query results can be joined via a linear scan, which could be really > fast in C. > > So it sounds like what you really want is true JOIN operators (joining > across two or more queries), and that is exactly what we are starting > to work on next. It would be great if you're interested in helping to > define exactly what fast JOIN operators are needed first. > > Yours, > > Chris --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "pygr-dev" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/pygr-dev?hl=en -~----------~----~----~----~------~----~------~--~---
