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From:Dan Nelson Date:June 8 2005 3:56pm
Subject:Re: Seriously.. When are we going to get subqueries?!
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In the last episode (Jun 08), Jeff Smelser said:
> On Tuesday 07 June 2005 04:22 pm, Kevin Burton wrote:
> > Subqueries in 4.1 are totally broken.  They don't use indexes. 
> > They're evil.  We're told we have subqueries but there's no way
> > anyone on earth could use them.  To make matters worse a lot of
> > developers are TRICKED into using them and assume that mysql would
> > do the right thing but its a HUGE performance hit.
> 
> Well, have you filed a bug? I just looked and didnt see one.. It
> wouldnt be the first time, however, a bug search function didnt find
> something that was there..

There are actually quite a few bugs already filed on subquery
performance: 4975, 7830, 8086, 8414, 9021, 9090, 10309, 10312, 10989,
from a quick search on "+subquery +index".  Most have been set to "To
be fixed later".

-- 
	Dan Nelson
	dnelson@stripped
Thread
Seriously.. When are we going to get subqueries?!Kevin Burton7 Jun
  • Re: Seriously.. When are we going to get subqueries?!Greg Whalin7 Jun
    • Re: Seriously.. When are we going to get subqueries?!Kevin Burton8 Jun
  • Re: Seriously.. When are we going to get subqueries?!DBA8 Jun
    • Re: Seriously.. When are we going to get subqueries?!Kevin Burton8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser8 Jun
    • Re: Seriously.. When are we going to get subqueries?!Dan Nelson8 Jun
      • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser8 Jun
        • Re: Seriously.. When are we going to get subqueries?!Kevin Burton9 Jun
          • Re: Seriously.. When are we going to get subqueries?!Jochem van Dieten9 Jun
            • Re: Seriously.. When are we going to get subqueries?!Kevin Burton10 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Martijn Tonies8 Jun
  • RE: Seriously.. When are we going to get subqueries?!George Sexton9 Jun
    • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser9 Jun
    • Re: Seriously.. When are we going to get subqueries?!Josh Trutwin9 Jun
    • Re: Seriously.. When are we going to get subqueries?!Keith Ivey9 Jun
      • Re: Seriously.. When are we going to get subqueries?!Jochem van Dieten9 Jun
      • Re: Seriously.. When are we going to get subqueries?!George L. Sexton9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Greg Whalin8 Jun
    • Re: Seriously.. When are we going to get subqueries?!Kevin Burton9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard8 Jun
RE: Seriously.. When are we going to get subqueries?!PMilanese8 Jun
Re: Seriously.. When are we going to get subqueries?!Bob_Savard8 Jun
  • Re: Seriously.. When are we going to get subqueries?!Boyd Lynn Gerber9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
  • Re: Seriously.. When are we going to get subqueries?!Gordan Bobic9 Jun
  • RE: Seriously.. When are we going to get subqueries?!George Sexton9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
  • Re: Seriously.. When are we going to get subqueries?!Gordan Bobic9 Jun
    • Re: Seriously.. When are we going to get subqueries?!Josh Trutwin9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
  • Re: Seriously.. When are we going to get subqueries?!Gordan Bobic9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
  • RE: Seriously.. When are we going to get subqueries?!George Sexton9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
  • RE: Seriously.. When are we going to get subqueries?!George Sexton9 Jun
    • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser9 Jun
      • Re: Seriously.. When are we going to get subqueries?!George L. Sexton9 Jun
        • Re: Seriously.. When are we going to get subqueries?!Roger B.A. Klorese 9 Jun
          • Re: Seriously.. When are we going to get subqueries?!Jochem van Dieten9 Jun
        • Re: Seriously.. When are we going to get subqueries?!Jeff Smelser9 Jun
          • Re: Seriously.. When are we going to get subqueries?!Greg Whalin9 Jun
            • Re: Seriously.. When are we going to get subqueries?!daniel9 Jun
              • Re: Seriously.. When are we going to get subqueries?!Jochem van Dieten9 Jun
  • Re: Seriously.. When are we going to get subqueries?!David Griffiths9 Jun
    • RE: Seriously.. When are we going to get subqueries?!J.R. Bullington9 Jun
Re: Seriously.. When are we going to get subqueries?!George L. Sexton9 Jun
RE: Seriously.. When are we going to get subqueries?!Bob)9 Jun
  • Re: Seriously.. When are we going to get subqueries?!Jochem van Dieten9 Jun
RE: Seriously.. When are we going to get subqueries?!Jay Blanchard9 Jun
RE: Seriously.. When are we going to get subqueries?!Gordon Bruce9 Jun
  • Timestamp and it's usage (Re: Seriously.. When are we going to get subqueries?!)Martijn Tonies9 Jun
    • Re: Timestamp and it's usage (Re: Seriously.. When are we going to get subqueries?!)Jochem van Dieten9 Jun
  • Re: Timestamp and it's usage (Re: Seriously.. When are we going to get subqueries?!)Martijn Tonies9 Jun