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13 check-ins using file src/where.c version 49a0e7cc

2006-10-26
18:15
Bring CVS output into more commonly accepted practice. Tickets #2030, #1573. Add command-line options -bail and ".bail" commands. Default behavior is to continue after encountering an error. Ticket #2045. (CVS 3491) (check-in: 517712d6 user: drh tags: trunk)
14:25
Command-line shell enhancements. Bail out when errors are seen in non-interactive mode. Override isatty() using -interactive or -batch command-line options. Report line number in error messages. Tickets #2009, #2045. (CVS 3490) (check-in: 3baa04cf user: drh tags: trunk)
00:41
Empty queries should get no results. My recent change ( http://www.sqlite.org/cvstrac/chngview?cn=3486 ) broke test fts2a-5.3. This change should make the expected result more obvious. (CVS 3489) (check-in: cde383eb user: shess tags: trunk)
00:04
Make memset() uses less error-prone. http://www.sqlite.org/cvstrac/tktview?tn=2036,35 describes some cases where we were passing memset() a length which was the sizeof a pointer, rather than the structure pointed to. Instead, wrap this idiom up in CLEAR() and SCRAMBLE() macros. (CVS 3488) (check-in: 5878add0 user: shess tags: trunk)
2006-10-25
23:22
Remove unreferenced local variable. (CVS 3487) (check-in: 2d3b2219 user: shess tags: trunk)
21:00
Replace the DocList and DocListReader structures. The new structures distinguish reading from a static buffer from writing to a dynamic buffer. This allows n-way doclist merging, and in-place merging of segment leaf nodes, which together cut segment merge times in half. (CVS 3486) (check-in: af5bfb98 user: shess tags: trunk)
20:27
Test to force edge cases in query logic. Basically, exercise code to handle lack of hits correctly. (CVS 3485) (check-in: 2cb59033 user: shess tags: trunk)
05:21
Don't store empty segments. When inserting empty strings, the code was writing out a segment made up of a single leaf node containing the \0 header. LeafReader assumed that leaf nodes always contained at least one term, so assertions would fail.

While it would be possible to support reading and merging empty segments, there's no reason to do so. While this change could have been done in writeZeroSegment(), I put it in leafWriterFlush() so that it would work right if segmentMerge() created an empty segment, which could happen with future changes to how deleted documents are handled. (CVS 3484) (check-in: fed79bee user: shess tags: trunk)

2006-10-19
23:36
dup fts1 tests and edit for fts2. fts1porter.test omitted because it depends on being able to poke through to %_term table. (CVS 3482) (check-in: 2806c341 user: shess tags: trunk)
23:28
Add tests for delete and update in fts1. (CVS 3481) (check-in: b01c4371 user: shess tags: trunk)
20:27
fts2 support for testing. These are a prelude to adding some test scripts. (CVS 3480) (check-in: 004ad194 user: shess tags: trunk)
01:58
When converting UTF8 or UTF16 strings, change overlong strings and other illegal codes to 0xFFFD. Ticket #2029. (CVS 3479) (check-in: 0c6736df user: drh tags: trunk)
2006-10-18
23:26
Fix a problems that arise if malloc() fails while compiling SELECT statements within a TRIGGER. (CVS 3478) (check-in: ee4894b4 user: drh tags: trunk)