RE: Select most recent record?
| От | Marc Sherman |
|---|---|
| Тема | RE: Select most recent record? |
| Дата | |
| Msg-id | NFBBIHBOMKCAGGHPKDJHAEKCCFAA.msherman@projectile.ca обсуждение |
| Ответ на | RE: Select most recent record? ("Mark Hamby" <mark@archer.leavenworth.army.mil>) |
| Список | pgsql-sql |
From: Mark Hamby [mailto:mark@archer.leavenworth.army.mil] > > Marc, > Did you ever get your problem solved to your satisfaction? > We have a very simular problem with a historical database > containing typically 5K id and updates to data every few > seconds. We tried unsuccessfully to optimize queries > such as those already suggested to you. We found the best > means to quickly query the data valid at any given time was > to: [snip] By adding an index, I was able to get the performance of the query within a reasonable threshold; it's still slow, but acceptable. I'll bear your suggestion in mind for next time I run into this kind of problem, though, if my sol'n can't handle the data. Thanks, - Marc
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