> And Dennis said: > >> It is only when you have a pattern like '%_' when this is a problem >> and we could detect this and do byte by byte when it's not. Now we >> check (*p == '\\') || (*p == '_') in each iteration when we scan over >> characters for '%', and we could do it once and have different loops >> for the two cases. > > That's pretty much what the patch does now - It never tries to match a > single byte when it sees "_", whether or not preceeded by "%".
My comment was about UTF-8 since I thought we were making a special version for UTF-8. I don't know what properties other multibyte encodings have. /Dennis ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq