Re: [HACKERS] [GENERAL] Queries joining views

2006-08-23 Thread Tom Lane
Alban Hertroys <[EMAIL PROTECTED]> writes: > Mm_object is always larger than any other table in the database, as > every table joins with (different) records in it to determine it's otype > and owner. So I don't understand how a fraction of any of those tables > could be larger than mm_object as

Re: [HACKERS] [GENERAL] Queries joining views

2006-08-23 Thread Alban Hertroys
Tom Lane wrote: Alban Hertroys <[EMAIL PROTECTED]> writes: I'm confused too. Would it be possible for you to send me a dump of your database? Attached is a cleaned out database, the full schema is included, but only the relevant tables contain any data. Thanks. After digging through it a

Re: [HACKERS] [GENERAL] Queries joining views

2006-08-22 Thread Tom Lane
Alvaro Herrera <[EMAIL PROTECTED]> writes: > Tom Lane wrote: >> We might be able to do something about actually solving the statistical >> problem in 8.3, but I fear it's too late to think about it for 8.2. > I take it you mean you already have a very concrete idea on how to solve > it. Come on,

Re: [HACKERS] [GENERAL] Queries joining views

2006-08-22 Thread Alvaro Herrera
Tom Lane wrote: > We might be able to do something about actually solving the statistical > problem in 8.3, but I fear it's too late to think about it for 8.2. I take it you mean you already have a very concrete idea on how to solve it. Come on, illuminate us poor dumb souls. -- Alvaro Herrera

Re: [HACKERS] [GENERAL] Queries joining views

2006-08-22 Thread Tom Lane
I wrote: > Thanks. After digging through it a bit, I understand what's happening, > but I'm not seeing any simple fix. I forgot to mention that although I could reproduce your bad plan in 8.1, CVS HEAD doesn't fall into the trap. I don't believe we've done anything to fix the fundamental problem

Re: [HACKERS] [GENERAL] Queries joining views

2006-08-22 Thread Tom Lane
Alban Hertroys <[EMAIL PROTECTED]> writes: >> I'm confused too. Would it be possible for you to send me a dump of >> your database? > Attached is a cleaned out database, the full schema is included, but > only the relevant tables contain any data. Thanks. After digging through it a bit, I unde