If no one can find a case where multibyte is slower, I think we should enable it by default. Comments?
> > Also, have we decided if multibyte should be the configure default now? > > Not sure. > > Anyway I have tested LIKE/REGEX query test using current. The query > executed is: > > explain analyze select '0000000 5089 474e...( 16475 > bytes long text containing only 0-9a-z chars) like 'aaa'; > > and > > explain analyze select '0000000 5089 474e...( 16475 > bytes long text containing only 0-9a-z chars) ~ 'aaa'; > > Here is the result: > > no MB with MB > LIKE 0.09 msec 0.08 msec > REGEX 0.09 msec 0.10 msec > > LIKE with MB seemed to be resonably fast, but REGEX with MB seemed a > little bit slow. Probably this is due the wide character conversion > overhead. > -- > Tatsuo Ishii > > ---------------------------(end of broadcast)--------------------------- > TIP 2: you can get off all lists at once with the unregister command > (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED]) > -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026 ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html
