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Author SHA1 Message Date
drh
b3be9815a1 Typo in previous check-in. (CVS 3454) 
FossilOrigin-Name: a7350bf86c41c428adbfe42dc9cbb3ecf0045c25
 2006-10-01 18:59:56 +00:00
drh
8923c9d378 Remove one non-working test case fromthe Porter stemmer tests and add 
an acknowledgement for the source of the test data (Martin Porter himself.) (CVS 3453)

FossilOrigin-Name: 1a2df2a61b3c84feae7587fa5b1eebf9c7e73daa
 2006-10-01 18:58:31 +00:00
drh
6da40bcd79 Add a Porter stemmer option to the FTS1 module. (CVS 3452) 
FossilOrigin-Name: 936b06aaa8133e83104de87e03dc94e286a31f86
 2006-10-01 18:41:19 +00:00
drh
2564ef9781 Make sure memory does not leak when patching up column names so that 
they are unique in a join or view.  Tickets #1952 and #2002. (CVS 3451)

FossilOrigin-Name: fcde639119c309c699ee9dd60ed60fd6e9c8c077
 2006-09-29 14:01:04 +00:00
drh
7cf43fa64e Fix a bug in the handling of the OR operator in FTS1. Test cases added to 
prevent a repeat. (CVS 3450)

FossilOrigin-Name: 8cdf1d6ae018dfc93f8f0962b2530e31aa0bebff
 2006-09-28 19:43:31 +00:00
drh
07aa67c14a More snippet generator improvements and test cases. (CVS 3449) 
FossilOrigin-Name: 0934d220b33c52024f42c89fa13326bd52333f39
 2006-09-28 18:57:59 +00:00
drh
1e7423e57f Bug fix in the FTS1 snippet generator. Improvements in the way the snippet 
generator handles whitespace. (CVS 3448)

FossilOrigin-Name: d3f4ae827582bd0aac54ae3211d272a1429b6523
 2006-09-28 18:37:15 +00:00
drh
361e2bdeb5 Avoid segfaults when inserted NULL values into FTS1. (CVS 3447) 
FossilOrigin-Name: 165645d30115f3171fc45489823f85639fe2bfcd
 2006-09-28 11:41:41 +00:00
drh
6f68a5cf11 Fix to the previous check-in. (CVS 3446) 
FossilOrigin-Name: 944d5f812004e2dc0065fce267accf8907235a50
 2006-09-26 00:37:11 +00:00
drh
50c2b35ea7 Performance improvement and bug fix in sqlite3WinDelete(). (CVS 3445) 
FossilOrigin-Name: 46ac1ac2d10cf2f1ebfb8dd4bb9a2ccffd85e816
 2006-09-26 00:34:17 +00:00
drh
7f986a651e CVS malfunctioned on the previous check-in. Make sure the revision to 
date.c was received.  Ticket #1991. (CVS 3444)

FossilOrigin-Name: 433dac1f2924d00282ef952668b21a9c023c93cb
 2006-09-25 18:05:04 +00:00
drh
9df9492adc Fix a roundoff error in the %f converter of strftime(). Ticket #1991. (CVS 3442) 
FossilOrigin-Name: 51b9c755ea01528e32690aabe91236ed917369f1
 2006-09-25 18:03:28 +00:00
drh
21e2cab932 Add a pragma for activating proprietary extensions. (CVS 3441) 
FossilOrigin-Name: c63d34ce0c7412852fdcf047bc388d2f9710f297
 2006-09-25 18:01:57 +00:00
drh
b1f1e6ebd7 Fix a round-off problem in the %f conversion of strftime(). Ticket #1991. (CVS 3443) 
FossilOrigin-Name: bf4608406a3246fe7a214cb31b79e51f86b7ee18
 2006-09-25 18:01:31 +00:00
drh
6f8359865d Bug fix in pragma table_info(). (CVS 3440) 
FossilOrigin-Name: c037403bae0d78f9dd2703ff05cc3cd3ac54e062
 2006-09-25 13:48:30 +00:00
drh
2e584cd250 Remove legacy cruft from shell.c. (CVS 3439) 
FossilOrigin-Name: 815d8f84b317d26a3ca87405d27376e1e4493d8b
 2006-09-25 13:09:22 +00:00
drh
aac2f5542d Fix a bug in the handling of I/O errors introduced by the addition 
of extended error codes in check-in (3422). (CVS 3438)

FossilOrigin-Name: 20d7b29443ea7d9ec1ef81219c74ba725e8711e3
 2006-09-23 21:44:23 +00:00
drh
8c77bdde9f Fix documentation typo. Ticket #1986 (CVS 3437) 
FossilOrigin-Name: 58c32ce35a04838b4a8e4210299bac935e60bfb9
 2006-09-23 20:46:23 +00:00
drh
ece3c728d0 Be sure to ignore PRAGMA encoding pragmas if the encoding has already been 
set for a database.  Ticket #1987.  This patch also includes some cleanup
of the schema parser and initialization logic. (CVS 3436)

FossilOrigin-Name: dc797bf4fa96deabd9ceb6cc062b98d2ac49a574
 2006-09-23 20:36:01 +00:00
shess
7409310ac3 Fix a build problem around sqlite3_overload_function. Only affects 
so/dll builds. (CVS 3435)

FossilOrigin-Name: 791d70936b9c4fed57c95f61e3b4dfdd24221ee4
 2006-09-22 23:38:21 +00:00
adamd
adf52ce14b 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)

FossilOrigin-Name: 757fa22400b363212b4d5f648bdc9fcbd9a7f152
 2006-09-22 00:06:39 +00:00
adamd
f40a504164 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) 
FossilOrigin-Name: 111ca616713dd89b5d1e114de29c83256731c482
 2006-09-21 20:56:52 +00:00
drh
154d4b2446 Be more aggressive with the SQLITE_OMIT_VACUUM macro. Saves about 150 
bytes of code space. (CVS 3432)

FossilOrigin-Name: 7e618db4579d752cc6d775c664c93e141217948f
 2006-09-21 11:02:16 +00:00
drh
8b62817797 Implementation of the snippet() function for FTS1. Includes a few 
simple test cases but more testing is needed. (CVS 3431)

FossilOrigin-Name: c7ee60d00976efab25a830e7416538010c734129
 2006-09-21 02:03:08 +00:00
adamd
d47522807e Fixed a build problem in sqlite3_extension_init(). (CVS 3430) 
FossilOrigin-Name: bb2e1871cb10b470f96c793bb137c043ef30e1da
 2006-09-18 21:14:40 +00:00
drh
c1daee8574 Convert all names to lower case before sending them to the xFindFunction 
method of a virtual table.  In FTS1, use strcmp instead of strcasecmp.
Ticket #1981. (CVS 3429)

FossilOrigin-Name: cd4e1de896ef715c444071f758b74dbb607e0572
 2006-09-18 20:24:02 +00:00
drh
a70034de7c Convert all names to lower case before sending them to the xFindFunction 
method of a virtual table.  In FTS1, use strcmp instead of strcasecmp.
Ticket #1981. (CVS 3428)

FossilOrigin-Name: efa8fb32a596c7232bb1754b3231e4f2421df75b
 2006-09-18 20:24:02 +00:00
drh
b08249ced3 Modify FTS1 so that the "magic" column has the same name as the virtual 
table.  Offsets are retrieved using a special "offsets" function whose
first argument is the magic column.  Snippets will ultimately be retrieved
in the same way. (CVS 3427)

FossilOrigin-Name: 5e35dc1ffadfe7fa47673d052501ee79903eead9
 2006-09-18 02:12:47 +00:00
drh
b7481e70c5 Add the sqlite3_overload_function() API - part of the virtual table 
interface. (CVS 3426)

FossilOrigin-Name: aa7728f9f5b80dbb1b3db124f84b9166bf72bdd3
 2006-09-16 21:45:14 +00:00
drh
572d11dc8f Add documentation for the sqlite3_extended_result_codes() API. (CVS 3425) 
FossilOrigin-Name: a6b3f6bed209dc27d36cd4e159159f73266e9911
 2006-09-15 16:58:48 +00:00
drh
ae2f2048df Fix an initialization problem in FTS1. Ticket #1977. (CVS 3424) 
FossilOrigin-Name: 5a18dd88498ca35ca1333d88c4635868d0b61073
 2006-09-15 16:08:59 +00:00
drh
e49f982792 Bug fix and better testing of the extended result codes. (CVS 3423) 
FossilOrigin-Name: 78ae74db1cbf605cd421e7ea321e879d3638968e
 2006-09-15 12:29:16 +00:00
drh
4ac285a1c2 Add support for extended result codes - additional result information 
carried in the higher bits of the integer return codes.  This must be
enabled using the sqlite3_extended_result_code() API.  Only a few extra
result codes are currently defined. (CVS 3422)

FossilOrigin-Name: ba579ddc4361fc6e8ea66f9385770d70dfe94751
 2006-09-15 07:28:50 +00:00
drh
8abc58e33b New FTS1 test data based on enron emails. (CVS 3421) 
FossilOrigin-Name: 01651a32c6e67c4ac2cd23f1da7f3cc3adad1b33
 2006-09-14 21:08:54 +00:00
drh
dddaf9ff86 Remove file containing real email addresses. Ticket #1978. (CVS 3420) 
FossilOrigin-Name: 373a575f745dc2002090328f30539bbfef3119d5
 2006-09-14 18:25:28 +00:00
adamd
4fc9308373 Minor build fixes. (CVS 3419) 
FossilOrigin-Name: 3564b07c40ab4563482a9aa36850757963f44238
 2006-09-14 16:57:19 +00:00
drh
5968593b51 Enhanced I/O error simulation. (CVS 3418) 
FossilOrigin-Name: 86931854fc5a63571719639d9a23b1d6614a6153
 2006-09-14 13:47:11 +00:00
drh
f800e3e63a The FTS1 tables have a new automatic column named "offset" that returns 
a string containing byte offset information for all matching terms.
Also added a large test case based on SQLite mailing list entries. (CVS 3417)

FossilOrigin-Name: f25cfa1aec0e4c1fe07176039a1b7f4e6a2c66ec
 2006-09-14 01:17:30 +00:00
drh
0b9a594ae1 Modify the ".dump" command in the command-line shell so that it works 
with virtual tables. (CVS 3416)

FossilOrigin-Name: afd40184b752f641b423ceffac2476f2cfbdfd31
 2006-09-13 20:22:02 +00:00
drh
235a818e61 Remove unused malloc failure test. (Ticket #1976) 
Also include fixes for other problems
discovered while investigating ticket #1976. (CVS 3415)

FossilOrigin-Name: f4ab546b2e8105422fb1baa2b86e688b5d19f20e
 2006-09-13 19:21:28 +00:00
drh
8f116cc15c In FTS1: Retain the Query structure as part of the cursor. It will be used 
laster as part of snippet generation. (CVS 3414)

FossilOrigin-Name: 607d928ce91f3efa9c7019fc789a9cd3c41cfc92
 2006-09-13 19:18:29 +00:00
shess
c48f2a10aa Earlier refactoring changed name in fts1.c but not fts1.h. (CVS 3413) 
FossilOrigin-Name: d4edb8035c8abbdb301893557934dd644ef3c950
 2006-09-13 18:40:25 +00:00
drh
1de6154d39 Minor code cleanup in FTS1. (CVS 3412) 
FossilOrigin-Name: fca592816767de397fbaf22cccdf1028fc5dfc91
 2006-09-13 17:17:48 +00:00
drh
a3baa963bc Implementation of "column:" modifiers in FTS1 queries. (CVS 3411) 
FossilOrigin-Name: 820634f71e3a3499994f82b56b784d22a7e3cdcf
 2006-09-13 16:02:43 +00:00
drh
cbaac514bc Module spec parser enhancements for FTS1. Now able to cope with column 
names in the spec that are SQL keywords or have special characters, etc.
Also added support for additional control lines.  Column names can be
followed by a type specifier (which is ignored.) (CVS 3410)

FossilOrigin-Name: adb780e0dc8bc7dcd1102efbfa4bc17eefdf968e
 2006-09-13 15:20:13 +00:00
drh
a6be0dc938 Fix the FTS1 test cases and add new tests. Comments added to the FTS1 code. (CVS 3409) 
FossilOrigin-Name: 528036c828c93c78ca879bf89a52131b72e24067
 2006-09-13 12:36:08 +00:00
adamd
4f1a424e72 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)

FossilOrigin-Name: 366a70b086c817bddecd83053472ec76ef20f309
 2006-09-13 02:18:20 +00:00
adamd
341d60838c 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)

FossilOrigin-Name: 877d5558b1a6f65201b1825336935b146583bffa
 2006-09-12 23:36:45 +00:00
drh
fdd48a76a6 Add support for IF EXISTS on CREATE/DROP TRIGGER/VIEW. Ticket #1899. (CVS 3406) 
FossilOrigin-Name: e4fe736cfbbdc081581911a01690576034877b72
 2006-09-11 23:45:48 +00:00
shess
4240240f12 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)

FossilOrigin-Name: 2f5f6290c9ef99c7b060aecc4d996c976c50c9d7
 2006-09-11 21:39:21 +00:00