database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-08 03:22:21 +03:00
Code Activity
6,854 Commits 1,606 Branches 185 Tags
c7538b5f63b643ea64af5bb53c8a77ebd558ebd7
Commit Graph

448 Commits

Author SHA1 Message Date
drh
d847eaad91 Reuse registers better in the inner loop of a SELECT statement. (CVS 4719) 
FossilOrigin-Name: 5ba4e5adf638c6812a2813961ea30a11a670409c
 2008-01-17 17:15:56 +00:00
drh
9cbf3425fb Registerification of the VDBE is complete. The operand stack has been 
removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
 2008-01-17 16:22:13 +00:00
drh
1db639cef3 Registerification of the WHERE clause logic. (CVS 4716) 
FossilOrigin-Name: b3a141b2b0c09bf3c7704deeade290d71b7c9b77
 2008-01-17 02:36:28 +00:00
drh
0e359b30a9 Fix some issues with out-of-memory recovery. (CVS 4710) 
FossilOrigin-Name: 23181f86896e7c9e993e00032e735e67ee6b2e71
 2008-01-13 19:02:11 +00:00
drh
2dcef11bb9 Continuing work toward converting the VM to a register machine. (CVS 4708) 
FossilOrigin-Name: 426f31ecdd05d1179a2e49c2ca1666011cede9c6
 2008-01-12 19:03:48 +00:00
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
3c84ddff3e Continued work toward converting to a register-based VM. (CVS 4698) 
FossilOrigin-Name: 92deff07bba2089bbe011f44defb3a0ac1362d56
 2008-01-09 02:15:38 +00:00
drh
3557335658 Registerify the comparison opcodes. (CVS 4697) 
FossilOrigin-Name: 8862ce9ceefba4f5d1ffbd51d824c05f42a58c22
 2008-01-08 23:54:25 +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
6a288a33f9 Registerify the AUTOINCREMENT processing and the OP_IsNull and OP_NotNull 
operators. (CVS 4692)

FossilOrigin-Name: aa48867cfa04da265b906e5b583bc7ac6b6a1157
 2008-01-07 19:20:24 +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
5b6afba924 Registerify binary operators. Add register tracing to debugging output. (CVS 4686) 
FossilOrigin-Name: 66396d2f0289e36b5fc0af5078c08d1b17f342ae
 2008-01-05 16:29:28 +00:00
drh
9de221dff5 Expression code generator takes advantage of recent opcode changes. (CVS 4685) 
FossilOrigin-Name: 6c78d2a49a3e6ee8bc31f16488a430cba9eda59d
 2008-01-05 06:51:30 +00:00
drh
8558cde1ab Register-ify the OP_AddImm and all casting opcodes. Omit the 
OP_MemIncr opcode. (CVS 4683)

FossilOrigin-Name: 3e8a07dd3cc9921ad39e379576abb0b485a42202
 2008-01-05 05:20:10 +00:00
drh
b1fdb2adea Get rid of OP_Dup, OP_MemStore, OP_MemLoad, and OP_MemMove. Replace 
with OP_Copy, OP_SCopy, and OP_Move.  Add the infrastructure for
operation properties in1, in2, in3, out2, and out3 but do not yet
use any of these. (CVS 4682)

FossilOrigin-Name: cc149eb9ca3c672cc6fea3528353234ac2ed5745
 2008-01-05 04:06:03 +00:00
drh
4c583128bd Implement the out2-prerelease opcode design pattern. (CVS 4681) 
FossilOrigin-Name: fe057a88d0038ac349ea41883b979ceba6ae410a
 2008-01-04 22:01:03 +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
drh
0a07c107a6 Registers (aka memory cells) in the VM are now numbered starting with 1 
instead of 0.  A register number of 0 means "no such register". (CVS 4669)

FossilOrigin-Name: 0b849805c3a0f562d50623f406279b400d335639
 2008-01-03 18:03:08 +00:00
danielk1977
207872a488 Change OP_OpenRead and OP_OpenWrite so that the database number is read from the P3 operand, not the stack. (CVS 4663) 
FossilOrigin-Name: 35da261daf602b1e938f05bbad1ff99213d9f4b9
 2008-01-03 07:54:23 +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
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
a2a49dc9df Add opcodes OP_ResultRow and OP_RegMakeRec which are register-based 
equivalents to OP_Callback and OP_MakeRecord.  Use the new opcodes. (CVS 4656)

FossilOrigin-Name: 4c7f35da7751c61a9b61b1d95adddcc37fff3266
 2008-01-02 14:28:13 +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
49df6b749c Fix an out-of-memory NULL pointer defer in the code generator. Ticket #2843. (CVS 4630) 
FossilOrigin-Name: b821b6ed176b4259e1d4b56c8eb548933b6f530a
 2007-12-14 15:12:21 +00:00
drh
85b623f2f9 Change all instances of "it's" in comments to either "its" or "it is", 
as appropriate, in case the comments are ever again read by a pedantic
grammarian.  Ticket #2840. (CVS 4629)

FossilOrigin-Name: 4e91a267febda572e7239f0f1cc66b3102558c36
 2007-12-13 21:54:09 +00:00
danielk1977
284f4aca32 Fix compilation/testing with OMIT_SUBQUERY defined. Ticket #2828. (CVS 4603) 
FossilOrigin-Name: 0b34a18651764e650faba983be8593992ab2f4a9
 2007-12-10 05:03:46 +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
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
0cf19ed817 Add comments, assertions, and test cases to demonstrate that the 
problem described in ticket #2742 is not a real problem. (CVS 4510)

FossilOrigin-Name: c085d6dfc0f5849113986cb2a25e64d0c95b3dfb
 2007-10-23 18:55:48 +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
drh
728b577934 Remove unneeded pSchema field from the Expr structure. (CVS 4434) 
FossilOrigin-Name: b2d605a2714245febb316a24edc7a076e21a3849
 2007-09-18 15:55:07 +00:00
danielk1977
880c15beb9 Fix a bug in jrnlTruncate(). And other coverage improvements. (CVS 4367) 
FossilOrigin-Name: 02b751fb9dbc683b1b77a2ed3cdeb4190f7339e0
 2007-09-01 18:24:55 +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
danielk1977
26783a58e2 Use the DbMalloc() and DbRealloc() functions more consistently. (CVS 4323) 
FossilOrigin-Name: c790c234c369c6b7610e67dcaaa9eee347df729c
 2007-08-29 14:06:22 +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
f3a65f7e44 The malloc.test script now passes all tests with no errors. (CVS 4271) 
FossilOrigin-Name: db818430e9ea4ef4a4af575784009d5acae785a3
 2007-08-22 20:18:21 +00:00
drh
abb6fcabcb Combine sqlite3DbOfVdbe() and sqlite3VdbeDb() into a single function. (CVS 4236) 
FossilOrigin-Name: ba80ee59a72afe36817997de705ef81d876b6f35
 2007-08-16 12:24:01 +00:00
danielk1977
31dad9da7e Fix some more small problems introduced by recent refactoring. (CVS 4235) 
FossilOrigin-Name: 5e2795d0eb8ea2a076b3014cfa9096aa7e8f69d7
 2007-08-16 11:36:15 +00:00
danielk1977
1e5369531e More work on refactoring of malloc() interfaces. There are still many errors. (CVS 4233) 
FossilOrigin-Name: 77b1671351fe94b0ebc126a63140643deae2aa64
 2007-08-16 10:09:01 +00:00
drh
174357527a Half-way through a major refactoring of the memory allocation. 
I have not even attempted to compile so I am certain there are
countless errors. (CVS 4231)

FossilOrigin-Name: deb7ecd65f7b83eaf0ba610eeef3b0ede61db1c3
 2007-08-16 04:30:38 +00:00
drh
fd131daecd Remove all tabs from source code files. Ticket #2556. (CVS 4198) 
FossilOrigin-Name: 7550dd1d5980a399fbb06b4ed69216700f879a0b
 2007-08-07 17:13:03 +00:00
drh
0a0e131c7e Revise the amalgamation so that all symbols have file scope except those 
that begin with "sqlite3_".  Ticket #2554. (CVS 4197)

FossilOrigin-Name: 73db545289a1a99bd48b22895d2a3ee86540f107
 2007-08-07 17:04:59 +00:00
drh
36379e973b Detect nested aggregate functions even if the inner aggregate function is 
aliased using an AS clause.  Ticket #2526. (CVS 4179)

FossilOrigin-Name: de000280c6d0b13440d2450eb6ba42073ad46c56
 2007-07-23 22:51:15 +00:00
danielk1977
c9cf6e3d31 Fix for #2445. A bug in the lookupName() logic that could cause a crash when a WHERE clause used an alias to refer to an expression in the result-set of the SELECT, and that expression was itself a reference to a table column. (CVS 4122) 
FossilOrigin-Name: 044ca1c72a8f4632dc2e6a94690d164d3560ee38
 2007-06-25 16:29:33 +00:00
drh
7e09fe0b81 A column name preceded by a unary "+" operator is considered to be 
a column name when computing the collating sequence to be used by
a comparison operator or ORDER BY clause. (CVS 4104)

FossilOrigin-Name: 99a20f6a427b5e0e0a793f59ebca9d17bc633437
 2007-06-20 16:13:23 +00:00