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9 events for the month beginning 2006-09-01 by user adamd
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2006-09-22
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| 00:06 |
Implemented UPDATE for full-text tables.
We handle an UPDATE to a row by performing an UPDATE on the content table and by building new position lists for each term which appears in either the old or new versions of the row. We write these position lists all at once; this is presumably more efficient than a delete followed by an insert (which would first write empty position lists, then new position lists). (CVS 3434) (check-in: 757fa224 user: adamd tags: trunk) | |
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2006-09-21
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| 20:56 | When gathering a doclist for querying, don't discard empty position lists until the end; this allows empty position lists to override non-empty lists encountered later in the gathering process. This fixes #1982, which was caused by the fact that for all-column queries we weren't discarding empty position lists at all. (CVS 3433) (check-in: 111ca616 user: adamd tags: trunk) | |
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2006-09-18
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| 21:14 | Fixed a build problem in sqlite3_extension_init(). (CVS 3430) (check-in: bb2e1871 user: adamd tags: trunk) | |
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2006-09-14
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| 16:57 | Minor build fixes. (CVS 3419) (check-in: 3564b07c user: adamd tags: trunk) | |
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2006-09-13
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| 02:18 |
Allow virtual tables to contain multiple full-text-indexed columns. Added a magic column "_all" which can be used for querying all columns in a table at once.
For now, each posting list stores position/offset information for multiple columns. We may implement separate posting lists for separate columns at some future point. (CVS 3408) (check-in: 366a70b0 user: adamd tags: trunk) | |
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2006-09-12
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| 23:36 | Answer queries for a particular rowid in a full-text table by looking up that rowid directly rather than by performing a table scan. (CVS 3407) (check-in: 877d5558 user: adamd tags: trunk) | |
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2006-09-06
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| 21:39 | Include io.h on Windows to quell a build warning about access() having no prototype. (CVS 3394) (check-in: b3eb1732 user: adamd tags: trunk) | |
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2006-09-05
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| 18:21 | A minor change to fts1.c to fix broken build. (CVS 3393) (check-in: 55a03b96 user: adamd tags: trunk) | |
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2006-09-02
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| 00:23 | Miscellaneous restructuring and cleanup based on suggestions from shess. (CVS 3382) (check-in: e98b0cf2 user: adamd tags: trunk) | |