Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1
От | Larry Rosenman |
---|---|
Тема | Re: broken 'SHOW TABLE'-like query works in 8, not 8.1.1 |
Дата | |
Msg-id | E1Es56z-0005n7-Am@lerami.lerctr.org обсуждение исходный текст |
Ответ на | broken 'SHOW TABLE'-like query works in 8, not 8.1.1 (Sebastian <buddhahead@gmail.com>) |
Список | pgsql-hackers |
On Dec 29 2005, Michael Fuhr wrote: > On Thu, Dec 29, 2005 at 12:12:52PM -0800, Sebastian wrote: > > I've waited 10 minutes before cancelling. On pg8 it runs in less than > > a second > > How many columns in the table? In 8.1.1 I'm seeing a nearly > exponential increase in time with each extra column, at least up > to about five columns; with more columns the time continues to > increase although not as sharply. I don't see such an increase in > 8.0.5. Querying the views individually doesn't take long; I wonder > if the planner is doing something wrong with the join operation. > > For clarification, I'm the 4.11-FreeBSD guy refered to above, and with a very simple table, it comes right back with NO results, but I may not have what it's looking for in the table definition. I **DO** get the explain failure, which seems, to me, to be a bug. :( LER -- Larry Rosenman, Database Support Engineer, E-Mail: Larry.Rosenman@pervasive.com Pervasive Software, 12365B Riata Trace Parkway, Austin, TX 78727 Office: 512-231-6173
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