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6 events for the month beginning 2006-09-01 by user shess
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2006-09-22
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| 23:38 | Fix a build problem around sqlite3_overload_function. Only affects so/dll builds. (CVS 3435) (check-in: 791d70936b user: shess tags: trunk) | |
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2006-09-13
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| 18:40 | Earlier refactoring changed name in fts1.c but not fts1.h. (CVS 3413) (check-in: d4edb8035c user: shess tags: trunk) | |
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2006-09-11
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| 21:39 | Re-use deleted rowids for new segments. This has a somewhat surprising impact on performance, I believe because it keeps the index smaller (by keeping rowids smaller), and also because it improves locality in the table (deleting a row means we've already touched the pages leading to that rowid). (CVS 3405) (check-in: 2f5f6290c9 user: shess tags: trunk) | |
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2006-09-08
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| 17:00 | Write doclists using a segmented technique to amortize costs better. New items for a term are merged with the term's segment 0 doclist, until that doclist exceeds CHUNK_MAX. Then the segments are merged in exponential fashion, so that segment 1 contains approximately 2*CHUNK_MAX data, segment 2 4*CHUNK_MAX, and so on. (CVS 3398) (check-in: b6b93a3325 user: shess tags: trunk) | |
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2006-09-01
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| 00:33 |
Make fts1.c not rely on nul-terminated strings. Mostly a matter of
making sure we always pass around ptr/len, but there were a few places
where we actually relied on nul-termination.
An earlier change had additionally changed appropriate sqlite3_bind_text() calls to sqlite3_bind_blob(). I've found that this changes what's actually stored in the database, so backed those changes out. Also (and this is weird), I found that I could no longer do straight-forward = queries against %_term.term at a command-line. (CVS 3379) (check-in: 5844db1aa9 user: shess tags: trunk) | |
| 00:05 | Make tokenizer not rely on nul-terminated text. Instead of using strcspn() and a nul-terminated delimiter list, I just flagged delimiters in an array and wrote things inline. Submitting this for review separately because it's pretty standalone. (CVS 3378) (check-in: 2631ceaeef user: shess tags: trunk) | |