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Author SHA1 Message Date
dan
bf50c46e4c Merge leaves [7cd178a72a] and [598727e6da]. 
FossilOrigin-Name: 4115c0c286052e32cb81f77a644d530c1766206f
 2009-11-19 18:30:14 +00:00
dan
8f4a4f24dd Fix a performance regression introduced while reworking the fts3 code. 
FossilOrigin-Name: 7cd178a72ab99c94fdacffb19aad819ae600e57d
 2009-11-19 18:28:45 +00:00
drh
88376ca791 Remove an unreachable branch from the OP_Affinity suppression logic. 
FossilOrigin-Name: 598727e6dae87f133c658fa125684f6ad978be60
 2009-11-19 15:44:53 +00:00
dan
c4c54eed2e Merge fts3-refactor into the main trunk. 
FossilOrigin-Name: 551dbe30eab5855756e6356f6ba050f5d1791ef8
 2009-11-19 15:26:54 +00:00
dan
16708c4a0d Fix some fts3 related issues with the autoconf and amalgamation build systems. 
FossilOrigin-Name: 3b17924754343c0163464dabf01a9c46ffccef28
 2009-11-19 15:25:25 +00:00
dan
91b71c1ab2 Merge with [4bd4330709]. 
FossilOrigin-Name: 7a46d1ebe348ce9f1e8732617a8e280f152fe979
 2009-11-19 14:57:14 +00:00
drh
cd7f457e6d Fix a bug introduced with recent optimizations: The unary minus operator 
is TK_UMINUS, not TK_MINUS.

FossilOrigin-Name: 4bd43307090258f8652c995b056101c51b81274a
 2009-11-19 14:48:40 +00:00
dan
44e0d68c44 Merge the fts3-refactor branch with the trunk. 
FossilOrigin-Name: c8d2bd37a4c16154912a0831690584011dc230cb
 2009-11-19 02:52:57 +00:00
dan
5dc842ddf7 Fix problems introduced into fts3 as part of the refactoring. 
FossilOrigin-Name: fa0998e19d984ee57f4f506c34eb858026cc49c3
 2009-11-19 00:15:27 +00:00
drh
f25a5071a6 Performance improvement by avoiding unnecessary calls to memset(). 
FossilOrigin-Name: 85940468e6f93f7c493fbc129f13cf6233c5d0c0
 2009-11-18 23:01:25 +00:00
dan
bd61689382 Add some missing comments and fix some other issues in fts3 code. 
FossilOrigin-Name: 2fe579e778b75fbf503c02e01e5424c1926f2b49
 2009-11-18 15:35:58 +00:00
drh
2f2855b638 Suppress more instances of unnecessary OP_IsNull and OP_Affinity opcodes. 
FossilOrigin-Name: bf6c0bd1c5568c6292ea0a64c8a5071e1bd3079a
 2009-11-18 01:25:26 +00:00
drh
3c65721a5b Enhancements to the VDBE opcode loop to reduce the number of machine-code 
instructions evaluated by about 10%.

FossilOrigin-Name: 9744ffb3f5bc6d8fd59fbb6577a0d549411cd967
 2009-11-17 23:59:58 +00:00
drh
039fc32e84 Code generator tries to avoid pointless OP_IsNull and OP_Affinity opcodes. 
FossilOrigin-Name: ebb0c8a3e977dc741704e733b5a5d931d9b27028
 2009-11-17 18:31:47 +00:00
dan
f13b704ee6 Improvements to the way fts3 reads the full-text index. 
FossilOrigin-Name: 45c051e78651d8204c17cecdda2bde705698881f
 2009-11-17 12:52:10 +00:00
drh
68ff78b1b0 Make sure the output of sqlite3OsFullPathname is initialized even if the 
fails due to I/O or OOM errors.

FossilOrigin-Name: e4943adb83819dee06e2e9da25ff6d967ca170de
 2009-11-16 23:36:33 +00:00
drh
f6a82030a8 Fix a reference to freed memory that can occur following an OOM error in 
where.c.

FossilOrigin-Name: 929b6047391411c6f539e47afe6b63d16e352ccb
 2009-11-16 22:54:50 +00:00
drh
372726336b Back out part of the change in [23ea2b700fd6d28d] since TH3 reveals some 
problems in OOM situations.

FossilOrigin-Name: 15d215d62df72c1bf1e605629692ee40d96546a6
 2009-11-16 21:28:45 +00:00
dan
948a5f88ea Add a few extra coverage test cases for fts3. 
FossilOrigin-Name: f29c8fcade4aadeae3824975cf59f306c11c906b
 2009-11-16 16:36:23 +00:00
drh
af2b572028 Use the sqlite3CtypeMap[] to improve the speed and reduce the size of the 
logic in the tokenizer that recognizes identifiers.

FossilOrigin-Name: 1c9243b0760741f48b15efb0da661255177aed8b
 2009-11-16 15:11:51 +00:00
drh
d93a8b276d Additional optimizations in sqlite3VdbeRecordCompare(). 
FossilOrigin-Name: 23ea2b700fd6d28d3b13663d164faba3760c572e
 2009-11-16 03:13:40 +00:00
drh
8b249a886d Optimizations to the sqlite3VdbeRecordCompare() routine help it to run 12.5% 
faster for some traces.

FossilOrigin-Name: 74c76f0bf946d184275de478ec72220d76342493
 2009-11-16 02:14:00 +00:00
dan
4b4d4469f5 Fixes to fts3 integrity check code. 
FossilOrigin-Name: d3cae986ee1a176b1b015c3cebcd58ff0c3bdf92
 2009-11-14 23:50:11 +00:00
drh
a6c2ed91ca Optimizations to the main loop inside sqlite3VdbeExec() to help VDBE byte code 
run a few percent faster.

FossilOrigin-Name: d622ac6ac7a297754494d3a33dbaeea02836272e
 2009-11-14 23:22:23 +00:00
drh
bbe879d516 Make the sqlite3VdbeExec() function about 2% faster by storing the opcode 
array in a local variable.

FossilOrigin-Name: 8bd3cc82720ac7e8a9d4a03a882b6f8226867b0d
 2009-11-14 18:04:35 +00:00
dan
91f0ce39e4 Further OOM testing for fts3 code. Add Tcl code implementing an integrity-check for fts3. 
FossilOrigin-Name: c27d46b33e8596b45c562c2742b05030e8899092
 2009-11-14 11:41:00 +00:00
drh
1f35012c11 Performance improvements and size reductions on the OP_Seek* family of 
VDBE opcodes.

FossilOrigin-Name: ed820f45cf4354b1e1db64049c47a07221a7ff6d
 2009-11-13 20:52:43 +00:00
drh
93952eb8c5 Simplify the OPFLG processing logic in the VDBE for a speed boost in the 
VDBE processing loop and a reduction in code size.

FossilOrigin-Name: 3352b3eba545c3128efb7665ec91d4df3b16011d
 2009-11-13 19:43:43 +00:00
drh
c54055bd25 Force 8-byte memory alignment on memory allocated for VDBE cursors. 
FossilOrigin-Name: bdc45ba77fb77771c8ff46b8d6c2dd29e6d3b019
 2009-11-13 17:05:53 +00:00
drh
5c03f30a9a Changes to test_intarray.c so that it build with SQLITE_OMIT_VIRTUALTABLE. 
Added testcase() macros to expr.c.

FossilOrigin-Name: f0599d28fabe9e67a7150a91c266cb7655a2002e
 2009-11-13 15:03:59 +00:00
dan
09977bb9f0 Start reworking fts3 code to match the rest of SQLite (code conventions, malloc-failure handling etc.). 
FossilOrigin-Name: 30a92f1132801c7582007ee625c577ea2ac31cdf
 2009-11-13 10:36:20 +00:00
drh
91fc4a0c4d Shift more OP_Found opcodes over to using the unpacked format, for improved 
performance.

FossilOrigin-Name: 6705ab1ad12cbdbbcf1f3e5439a4e6cbdcc421b3
 2009-11-12 20:39:03 +00:00
drh
8cff69df11 Enhance the OP_Found and OP_NotFound opcodes so that they can accept an 
array of registers as an unpacked record in addition to a record built
using OP_MakeRecord.  Use this to avoid OP_MakeRecord calls during IN
expression processing.

FossilOrigin-Name: b9eab885cd2ca1a1633329e7036c125e8dba62c5
 2009-11-12 19:59:44 +00:00
drh
e3365e6c37 Factor out the IN operator code generation into a subroutine. Use this 
subroutine to implement both logic and branching versions of the IN operator.

FossilOrigin-Name: fcff5b7e2d059ffb8d21df57d0c9648bd876e813
 2009-11-12 17:52:24 +00:00
drh
36c563a293 Factor out the code generator for BETWEEN into a subroutine. 
FossilOrigin-Name: 5735f60b23460e7677b9c982a26bc13b0f4ed02b
 2009-11-12 13:32:22 +00:00
shaneh
779b8f126e Update comment for substrFunc(). Added additional SUBSTR() test cases. 
FossilOrigin-Name: d7b3801dc7fad1b002f892fb5d82047ebff98369
 2009-11-12 05:04:50 +00:00
drh
35451c6acd Suppress unnecessary OP_Noop instructions on when the right table of a 
LEFT JOIN uses the index-only optimization.

FossilOrigin-Name: e8aec08bee1c8d593474561898037aed571e64ce
 2009-11-12 04:26:39 +00:00
drh
6a51741d46 Suppress excess OP_Null opcodes caused by binary IS or IS NOT operators 
that are converted into unary ISNULL or NOTNULL operators.

FossilOrigin-Name: cff1b36ab2c417611f59e96694005c03762788d2
 2009-11-12 03:46:34 +00:00
drh
9b918ed1d8 Adjustments to the implementation of LIMIT so that it uses fewer opcodes. 
FossilOrigin-Name: 39d5b292d27faf00ab58ff4074f91f7aea97cd99
 2009-11-12 03:13:26 +00:00
drh
ae2a348dbd If the sector size is unspecified (initially 0) then set it to 512, not to 32. 
FossilOrigin-Name: 8861b5c16031ad570ffbe17b3ec8163b136a7f63
 2009-11-11 23:58:06 +00:00
drh
0abaefefd6 Remove an obsolete (and incorrect) comment from sqlite3MemCompare(). 
No changes to code.

FossilOrigin-Name: c15b70b3aefc399dae1df5bb721530f0e2b7887a
 2009-11-11 23:48:22 +00:00
drh
4adc4cb93b Tweaks to the SUBSTR() function to make it dramatically faster in the common 
case where the input string is large but the 2nd and 3rd arguments are small
positive integers.

FossilOrigin-Name: 5a474a867c5988ad5ec03719516fdd38f0da5c2c
 2009-11-11 20:53:31 +00:00
drh
3c99d68b5c Allow media sector sizes as small as 32. The former minimum size was 512. 
FossilOrigin-Name: 5a32bfc17ed022c85d2615c34b41a3dcae2594bd
 2009-11-11 13:17:08 +00:00
shaneh
5fc250100e Modified CLI to raise an error when extra command line options are passed. 
Added tests to verify correct handling, as well as other basic handling
of command line options. Ticket [f5cb008a65].

FossilOrigin-Name: 09b4f19f100fe82a8321b9ded99e679b7eedc1fa
 2009-11-11 04:17:07 +00:00
drh
e76173b7c0 Additional test cases for the coalesce() and ifnull() functions. 
FossilOrigin-Name: d0591258b62df4fa610b7ac2a2af0344cf82f231
 2009-11-11 01:14:17 +00:00
drh
ae6bb9570b Generate VDBE code for the built-in COALESCE() and IFNULL() functions. This 
allows unused arguments to never be evaluated, which is a performance win when
the unused argument is a subquery.

FossilOrigin-Name: 30055b257c3c65f8123cad5ac6c62c4c6ca2c900
 2009-11-11 00:24:31 +00:00
drh
63b3878921 Additional intarray test cases and tweaks to comments. 
FossilOrigin-Name: 0c8db5d88ee41dab58d6464283b51f82f7457838
 2009-11-10 17:55:47 +00:00
drh
522efc62b0 Initial implementation and test cases for the "intarray" virtual table. 
FossilOrigin-Name: 0e7d29253f093d4125ede3cfc478e4bf09aef987
 2009-11-10 17:24:37 +00:00
shaneh
ac81cd71a5 Fix for datbase name being ignored with the -batch option in the CLI. Ticket [aeff892c57]. 
FossilOrigin-Name: 8097c64acfc74c913bc6d7d631bc1423c90df93f
 2009-11-10 17:07:30 +00:00
drh
c81c11f62c Remove the obsolete "$Id:$" RCS identifier strings from the source code. 
FossilOrigin-Name: f6c045f649036958078cb15cd9d5453680c82b0c
 2009-11-10 01:30:52 +00:00