BTW, http://www.sqlite.org/cvstrac/chngview?cn=4599 is the final fix
to this. It's different from the patch I posted. The patch did the
job, but felt wrong to me. This has the same performance
characteristics, but feels ... well, less wrong.
This change should apply cleanly to fts2.c, if
Hi Scott!
You're great! I checked the attached modification and found no search
taking longer than 20s now! It's a great improvement. I didn't find any
other problems, so I will leave the modification in my FTS3 compilation.
Many thanks!
Ingo
Scott Hess schrieb:
2007/12/4 Scott Hess
2007/12/4 Scott Hess <[EMAIL PROTECTED]>:
> This seems a little excessive, though. I do see that there's an
> O(N^2) path in the prefix-searching (loadSegmentLeavesInt()'s call to
> docListUnion()). I can reasonably make that O(logN), which might help
> a great deal, if you're hitting it. Not
2007/12/4 Ingo Godau-Gellert <[EMAIL PROTECTED]>:
> What is really strange is that FTS3 search phrases like
> SELECT referenzcode FROM volltext where volltext match ('installation
> manual') are performed really fast within some milliseconds, independent
> to the search phrase.
> But in general I
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