Re: Resources
От | Chester Carlton Young |
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Тема | Re: Resources |
Дата | |
Msg-id | 20020111173943.69680.qmail@web12703.mail.yahoo.com обсуждение исходный текст |
Ответ на | Re: Resources ("Nick Fankhauser" <nickf@ontko.com>) |
Ответы |
Re: Resources
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Список | pgsql-sql |
In regards to not being able to change tables, a common trick (eg, in data warehousing) where tables are read only, is to have a trigger on the table populate a secondary table with good index info (like ripping street name out of the address) and the oid of the original row. The query is a little more complex, but very good performance. > You mention that it may be too late to change the tables, but I guess > that's > where I'd look next- I once had a similar situation when I worked for > an > electric utility & we ended up parsing the address lines to find road > names > & numbers and then loading them into special indexed fields just used > for > sorting. If you control the input app, maybe you could even have the > user > enter the fields you want to query on separately. > > > -Nick > > > > ---------------------------(end of > broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to majordomo@postgresql.org) __________________________________________________ Do You Yahoo!? Send FREE video emails in Yahoo! Mail! http://promo.yahoo.com/videomail/
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