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Code Activity
5,440 Commits 1,606 Branches 185 Tags
603234181e1c75c1f43a392da746458ffa39e051
Commit Graph

748 Commits

Author SHA1 Message Date
drh
b765411161 Continuing work toward converting the VM into a register machine. (CVS 4707) 
FossilOrigin-Name: a6dddebcc5ccbbf3009c9d06163a8b59036331de
 2008-01-12 12:48:07 +00:00
drh
2d401ab8f9 More work toward converting the VM into a register-based machine. (CVS 4704) 
FossilOrigin-Name: 8cbd46517f407b3b1ce187b623db10f00aa415ea
 2008-01-10 23:50:11 +00:00
drh
892d317990 Continuing work toward registerizing the code generator. (CVS 4703) 
FossilOrigin-Name: 173698c963473ab1b9db88b23a2de82e4097b96d
 2008-01-10 03:46:36 +00:00
drh
98757157ee All essential opcodes can now operate out of registers and completely 
avoid the stack.  Many still optionally use the stack to support legacy
code generation, but the stack is not required.  The next step is to
update all code generation to avoid using the stack. (CVS 4700)

FossilOrigin-Name: e3cf1c1c114bcda8fe577beb5ee55b4a651b96db
 2008-01-09 23:04:12 +00:00
drh
3557335658 Registerify the comparison opcodes. (CVS 4697) 
FossilOrigin-Name: 8862ce9ceefba4f5d1ffbd51d824c05f42a58c22
 2008-01-08 23:54:25 +00:00
drh
04adf4161d Finish registerizing the core logic of INSERT and UPDATE. (CVS 4696) 
FossilOrigin-Name: 5fd1036788dbbc48ff1c746d2e1ba12b04a7e58c
 2008-01-08 18:57:50 +00:00
drh
aa9b8963b5 Progress toward registerification of the constraint checking logic for 
INSERT and UPDATE. (CVS 4693)

FossilOrigin-Name: b9bf509e39f5ac38c2149d2a648f68e5df5ae9e3
 2008-01-08 02:57:55 +00:00
drh
1013c9320d Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690) 
FossilOrigin-Name: 8201f71729c3afbb41764cea3cda65b03150cb0c
 2008-01-06 00:25:21 +00:00
drh
477df4b3ac Modify OP_RegMakeRec to take a base register and count and optionally 
store results in the register specified by P3. (CVS 4689)

FossilOrigin-Name: 6bb1b1bc1858028b743a4f660d42d5e9595dc022
 2008-01-05 18:48:24 +00:00
danielk1977
a9d1ccb9b0 First pass at optimizing max()/min() as described in #2853. Some refinements to come. (CVS 4687) 
FossilOrigin-Name: c449e04f1870b1ff726c95c0bf1c6c6a22ca588a
 2008-01-05 17:39:29 +00:00
danielk1977
287fb61c6b Some modifications to insert.c to work without using the stack. (CVS 4678) 
FossilOrigin-Name: d9ac6beef538376d0ea0a1daa95cf1dfe36143cf
 2008-01-04 19:10:28 +00:00
danielk1977
96cb76fc7a Modify the code generated for a DELETE to use registers instead of the vdbe stack. (CVS 4675) 
FossilOrigin-Name: 173f281334d340290e1978abea5d1ea804141910
 2008-01-04 13:24:28 +00:00
drh
389a1adbd7 Change the sqlite3ExprCode() function so that callers can request that 
the result of the expression be left on the stack or in a register. (CVS 4673)

FossilOrigin-Name: 61bfb77c4267b99ac8a8ef49355bcbc395a1a37b
 2008-01-03 23:44:53 +00:00
drh
2133d82287 Update OP_Rowid, OP_Column and related opcodes to use registers. (CVS 4671) 
FossilOrigin-Name: 4f3967073d2df9eae5a61b9770d5de2e1af47b4c
 2008-01-03 18:44:59 +00:00
danielk1977
2a339ff677 Modify OP_VUpdate to read arguments from a range of memory cells instead of from the stack. (CVS 4668) 
FossilOrigin-Name: 955b15a020e9ea6401fe03a36f5139a03ea80b8a
 2008-01-03 17:31:44 +00:00
danielk1977
2dca4ac1d3 Change the VdbeOp.p4 union to include specific pointer types for the various values of VdbeOp.p4type. (CVS 4667) 
FossilOrigin-Name: 7e8330c8044dc7718e720dbd33f6e2fe970ead77
 2008-01-03 11:50:29 +00:00
danielk1977
1f4aa337cd Change the OP_Insert opcode to read the key and data to insert from memory cells, not the stack. (CVS 4666) 
FossilOrigin-Name: 46501f490a5f5577ea31c758df749e02c7c65f39
 2008-01-03 09:51:55 +00:00
drh
66a5167b47 Refactoring the VM. The P3 parameter is changed to P4. A P5 parameter is 
added (though not currently used.)  Add routines sqlite3VdbeAddOpX() where
X is one of 0, 1, 2, 3, or 4. (CVS 4660)

FossilOrigin-Name: 027875e4d4c4bd7686dc880c6917a968049b2fec
 2008-01-03 00:01:23 +00:00
danielk1977
9ed1dfa802 Minor optimizations for sub-selects in EXISTS(...) expressions: Discard any DISTINCT or ORDER BY clauses and do not calculate any column values. (CVS 4658) 
FossilOrigin-Name: fbd17a8976cc9b4dd7c7c903d8beade9a7ef095f
 2008-01-02 17:11:14 +00:00
danielk1977
6c8c8ce0e2 Combine the eDest and iParm arguments to sqlite3Select() into a single type - "SelectDest". (CVS 4657) 
FossilOrigin-Name: 86dcdfe6d7d629618ccb3c3ff0ca09f2da2d06c7
 2008-01-02 16:27:09 +00:00
drh
d4e70ebd6f Begin setting a foundation on which to convert the VM from a stack-based 
to a register-based machine.  Everything is still mostly stack based with
this check-in.  This change merely begins adding infrastructure to support
a register-based architecture. (CVS 4652)

FossilOrigin-Name: 051ec01f2799e095516015f2ef0180e50fac387c
 2008-01-02 00:34:36 +00:00
danielk1977
8f2c54e6e2 Optimize trigger compilation to avoid populating the OLD.* and NEW.* pseudo-tables with data that will never be used. Some testing to come. (CVS 4651) 
FossilOrigin-Name: e08a33ed7255c22ce2805363f44a1d7770acb2dd
 2008-01-01 19:02:09 +00:00
drh
1e281291fb ORDER BY in a compound SELECT will first match against the left-most SELECT. 
If there is no match there, it begins working its way to the right. (CVS 4621)

FossilOrigin-Name: 56063ec84b130bcdb0e90bc76fabca394d0d867f
 2007-12-13 03:45:07 +00:00
drh
d919fe17e0 Build the CLI using the amalgamation. Relax the limit on SQL statement 
length when building the CLI. (CVS 4609)

FossilOrigin-Name: a5d81cd371913dff4b1337a9586645f967371ab9
 2007-12-11 19:34:44 +00:00
drh
e5fe690d75 In shared-cache mode, make sure the busy hander invoked is the 
busy handler associated with the database connection that caused
the lock contention in the first place. (CVS 4598)

FossilOrigin-Name: c9eb65912f61ce0a6b66fe253652a1827e46b12a
 2007-12-07 18:55:28 +00:00
drh
ddac25c732 Add the ability to change the autovacuum status of an existing database 
by setting the auto_vacuum pragma then running the VACUUM command. (CVS 4592)

FossilOrigin-Name: bdfc19e838b369a8c5d5d23663fad690f55ba3d7
 2007-12-05 01:38:23 +00:00
danielk1977
9a96b66810 Optimisations for expressions of the form "<value> IN (SELECT <column> FROM <table>)". (CVS 4579) 
FossilOrigin-Name: 56d0e32677744df8570b519fae1c04da4ea4984d
 2007-11-29 17:05:18 +00:00
drh
ade8648301 Add the {quote: StrAccum} object 
for accumulating strings.  Revamp xprintf to use
the new object.  Rewrite the group_concat() function to use the new object.
Productize and test the group_concat() function. (CVS 4578)

FossilOrigin-Name: 221aee72be040769e8026b91648f03c6366a8821
 2007-11-28 22:36:40 +00:00
drh
b6dbc00078 Add likely() and unlikely() macros to the header file. They are not 
yet used for anything. (CVS 4562)

FossilOrigin-Name: 485add38a1ef224732575f9998f06466dcc9742d
 2007-11-27 02:38:00 +00:00
drh
454ad58c3f Use macro __DARWIN__ rather than __MACOS__ for conditional 
compilation of MacOSX specific features.  Ticket #2780. (CVS 4561)

FossilOrigin-Name: d0a4c2a36385c03dfadbb844823d0ed2458bf619
 2007-11-26 22:54:27 +00:00
danielk1977
390025053e Allow collation sequence names to be quoted. Ticket #2744. (CVS 4537) 
FossilOrigin-Name: 06749ac7afeea4adbdeb9315f3819d5224534c66
 2007-11-12 09:50:26 +00:00
drh
9e0ebbfa41 Add comments to the code warning that _XOPEN_SOURCE might need to be 
defined manually if using USE_PREAD or USE_PREAD64. (CVS 4509)

FossilOrigin-Name: d7ed7cd077fe5f9ffba2bca48b84b231ccfd85b0
 2007-10-23 15:59:18 +00:00
drh
71674ce9ce Make sure the _LARGEFILE_SOURCE macro occurs before any system 
includes.  Ticket #2739. (CVS 4508)

FossilOrigin-Name: 36465aeb1f8f92d336faf16c25608c9a8a6585d3
 2007-10-23 15:51:26 +00:00
drh
598f134020 Floating point and 64-bit integer constants store in the virtual 
machine opcodes in binary, not as text.  Performance improvement.
Ticket #2733. (CVS 4507)

FossilOrigin-Name: 7e30fd6a09899842c922b044714dc66796e545d4
 2007-10-23 15:39:45 +00:00
danielk1977
b5258c3db3 Fixes for OMIT_AUTHORIZATION builds. #2691. (CVS 4466) 
FossilOrigin-Name: 755fcaf7e355042d88fed6b9b49669300b010695
 2007-10-04 18:11:15 +00:00
danielk1977
ae72d98252 Add automatic recovery from the pager "error-state". Also add a new error code - SQLITE_IOERR_NOMEM. (CVS 4454) 
FossilOrigin-Name: 12eca32a6a3d68d5b20eed03afdffe7599e66014
 2007-10-03 08:46:44 +00:00
drh
e5e7a901bd Additional #ifdefing around _XOPEN_SOURCE. Ticket #2681. (CVS 4452) 
FossilOrigin-Name: eb5d78451ee2a5d8480537530f30fbb305bf7632
 2007-10-01 17:47:00 +00:00
drh
6708061770 Omit the _XOPEN_SOURCE 500 define on Mac OS-X. Ticket #2673 (CVS 4450) 
FossilOrigin-Name: 0bbf654b6745058a705ef5c320bdd5fb06735271
 2007-10-01 14:30:14 +00:00
danielk1977
aaa40c1c8f Another comment typo. Also #2660. (CVS 4444) 
FossilOrigin-Name: 0c1e6f69cd55ced4af5dcfbeff04820ba0d5b051
 2007-09-21 04:28:16 +00:00
drh
728b577934 Remove unneeded pSchema field from the Expr structure. (CVS 4434) 
FossilOrigin-Name: b2d605a2714245febb316a24edc7a076e21a3849
 2007-09-18 15:55:07 +00:00
drh
33f4e02af6 Honor the SQLITE_OPEN_ flags passed into sqlite3_open_v2(). Some 
test cases added but more are needed.  Ticket #2616. (CVS 4376)

FossilOrigin-Name: 020a2b10d408f51d4ef3211c5f701f5378fd4625
 2007-09-03 15:19:34 +00:00
danielk1977
e6a58a4e2a Allow sqllimits1.test to be run from a regular build of testfixture. Add the 'amalgamation-testfixture' target to main.mk - to build testfixture via sqlite3.c. (CVS 4354) 
FossilOrigin-Name: d119427314d27f291b605073d34826cdb89746c1
 2007-08-31 17:42:48 +00:00
drh
c7ce76af8f Bug fixes in the mutex header file. Tickets #2599 and #2600. (CVS 4335) 
FossilOrigin-Name: 4bdfe1419c536fec5b3c0a7fbe3d0ff52f183f43
 2007-08-30 14:10:30 +00:00
danielk1977
a1644fd863 Modifications to the malloc failure tests to test transient and persistent failures. (CVS 4321) 
FossilOrigin-Name: e38ef81b85feb5bff2ad8448f3438ff0ab36571e
 2007-08-29 12:31:25 +00:00
drh
437b901371 Break up the mutex implementation into separate source files, one 
each for unix, w32, and os2. (CVS 4312)

FossilOrigin-Name: fc5cd71aef5ac194f51d73350d773d532020967e
 2007-08-28 16:34:42 +00:00
drh
900b31ef49 Work toward correct btree locking in a multithreaded environment. (CVS 4307) 
FossilOrigin-Name: b8cc493b47e618648f645ab73eb0253739e03fcd
 2007-08-28 02:27:51 +00:00
drh
46c99e0f5d Work around problem with forward declarations of constants in MSVC 
in the amalgamation.  Ticket #2574. (CVS 4304)

FossilOrigin-Name: dc80b2e1f4e1d31479aad9f39e651e62f2601fb8
 2007-08-27 23:26:59 +00:00
drh
97c8ec325d Bring the amalgamation builder up to date with the latest changes. 
Remove some vestigial code. (CVS 4303)

FossilOrigin-Name: 0ae30e5c76d9094307ea086a9993a953631ab9da
 2007-08-27 21:49:34 +00:00
drh
058897a92e Use recursive mutexes in pthreads. If the pthreads implementation does not 
support recursive mutexes, then you cannot compile SQLite with
SQLITE_THREADSAFE=1.  Ticket #2588. (CVS 4297)

FossilOrigin-Name: 1668284d151e78d16b0d83bf55dfd9d349a452a7
 2007-08-25 14:39:45 +00:00
danielk1977
f55b899824 Add tests to simulate power-failure on devices that support IOCAP_SEQUENTIAL or IOCAP_SAFE_APPEND. (CVS 4284) 
FossilOrigin-Name: bdf5cb8d25d93d48220ce46acad2ccf967a87843
 2007-08-24 08:15:53 +00:00