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Code Activity
11,028 Commits 1,606 Branches 185 Tags
340f582ec3ffcdb1341ec9db758e64f29cf2bfa9
Commit Graph

237 Commits

Author SHA1 Message Date
danielk1977
62c14b3487 Changes to avoid "unused parameter" compiler warnings. (CVS 5921) 
FossilOrigin-Name: 88134322c36b41304aaeef99c39b4ef5b495ca3b
 2008-11-19 09:05:26 +00:00
danielk1977
10fb749b37 Change the way sqlite3VdbeSetColName() is called so as to remove a few lines of code. This also fixes #3470. (CVS 5853) 
FossilOrigin-Name: bfce91429b1dad6e0ca36929e41a7adfb30f8522
 2008-10-31 10:53:22 +00:00
danielk1977
510f96590b Fix an assert() failure that can occur if the user attempts to set an into an integer primary key column to a text value in a table that has a BEFORE UPDATE trigger. (CVS 5787) 
FossilOrigin-Name: c2cf9d60d6626844193b008a37e4417aa0a0f323
 2008-10-09 18:48:30 +00:00
shane
fa4e62f3d8 Omit prototype for and calls to sqlite3MaterializeView() if !defined(SQLITE_OMIT_VIEW) && !defined(SQLITE_OMIT_TRIGGER). (CVS 5655) 
FossilOrigin-Name: 9cf484fc17944ffa14335e391112d82d2390d116
 2008-09-01 21:59:42 +00:00
drh
2a5d825ea2 Allow the WHERE clause in an UPDATE or DELETE against a view with an 
INSTEAD OF trigger to refer to the view by name.  Ticket #3298. (CVS 5589)

FossilOrigin-Name: 7360e5d1f37ed6672f336b625b3c90d060e0a020
 2008-08-22 12:30:52 +00:00
drh
7d10d5a6e1 Refactor the name resolution procedures in the code generator. (CVS 5569) 
FossilOrigin-Name: daf730d1defa78fb8b80a78f9108ac35a13e09f6
 2008-08-20 16:35:10 +00:00
drh
633e6d57d9 Implement the "lookaside" memory allocation cache. Use of this cache makes 
the speed1.test script run about 15% faster.  Added new interfaces to
control the cache. (CVS 5488)

FossilOrigin-Name: e48f9697e9fea339e150ddc32940760027dd07d9
 2008-07-28 19:34:53 +00:00
drh
af005fbc13 Test coverage improvements on printf. (CVS 5385) 
FossilOrigin-Name: 2d8f7bebf0f13f3a95f1e2163e35d43229cabfea
 2008-07-09 16:51:51 +00:00
drh
a9671a22b3 Remove obsolete code from select.c, including the "affinity" parameter 
to the sqlite3Select() module. (CVS 5380)

FossilOrigin-Name: cbd3c1585b7a8f8042aa1448fe1be87de056c41a
 2008-07-08 23:40:20 +00:00
drh
4f3dd1502e Make sure that transactions are started on all virtual tables that 
changes in a single statement, not just the first.  Ticket #3083.
Need to add test cases. (CVS 5063)

FossilOrigin-Name: 133b7ee50ea6012739ebe0e334374c5d9b1fcc7f
 2008-04-28 18:46:43 +00:00
drh
f93d99990c Do not attempt to omit unused columns of a view in an instead-of trigger 
since sometimes those columns can be used in ways that we do not expect.
Ticket #3055. (CVS 5012)

FossilOrigin-Name: f5fc42e96d36b78797d7fa10b01d22b8501112b1
 2008-04-15 14:36:42 +00:00
drh
08c88eb0d3 First cut at optimizing single-row updates to use a one-pass algorithm. (CVS 4973) 
FossilOrigin-Name: fba97f7874d723111e873d1470fc1a95e64f922d
 2008-04-10 13:33:18 +00:00
drh
da250ea599 Fix the CSE mechanism so that it takes into account column affinity 
changes that might be imposed by comparison operators. (CVS 4949)

FossilOrigin-Name: 91cc646e2b0c1d62a1989405cc9384a2c22d98d0
 2008-04-01 05:07:14 +00:00
drh
e55cbd7228 Avoid duplicate OP_Column opcodes by remembering prior results. 
This is similar to CSE, but only applies to columns. (CVS 4943)

FossilOrigin-Name: c29ee0fed23dcdbd9dde6b1e42b603100ea2389c
 2008-03-31 23:48:03 +00:00
danielk1977
cd3e8f7ce9 Use a vdbe memory cell to allocate the space required for vdbe cursors. (CVS 4912) 
FossilOrigin-Name: 047153648155654b0cd70b811935209d2e21776c
 2008-03-25 09:47:35 +00:00
drh
f39d958829 Undefine the "isView" macro when compiling with SQLITE_OMIT_VIEW so that 
the macro does not interfer with subsequent modules in the amalgamation. (CVS 4888)

FossilOrigin-Name: a42caa8f83ce19af1e569c4545ea8b2449152430
 2008-03-19 20:42:13 +00:00
drh
0f35a6b529 When materializing a view for an UPDATE or DELETE make use of the WHERE 
clause to limit the number of rows materialized.  Ticket #2938. (CVS 4782)

FossilOrigin-Name: 5ab71c3a79cac04cb2c576f83a62218d05571006
 2008-02-12 16:52:14 +00:00
drh
a05a722f23 Cleanup and simplification of constraint processing. Simplifications 
to the VM for better test coverage. (CVS 4729)

FossilOrigin-Name: d9ebe9d78c558af050c44ac4437ce0ef8193a4a8
 2008-01-19 03:35:58 +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
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
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
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
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
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
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
dd2fb29be8 Modify FifoRead and FifoWrite to work exclusively with memory cells. (CVS 4676) 
FossilOrigin-Name: 2c913908a47e7ace7d964067e3566d232ee2d494
 2008-01-04 13:57:26 +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
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
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
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
danielk1977
60585ddc7d Combine the OP_Column and OP_DfltValue opcodes. (CVS 4664) 
FossilOrigin-Name: c30f8206353f32a08ef0b323c9fd0bdbeaa28b02
 2008-01-03 08:08:40 +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
danielk1977
e448dc4abf Take advantage of the fact that b-tree cursors need not be closed while other cursors modify their tables to simplify trigger program generation code. (CVS 4654) 
FossilOrigin-Name: f1966a8a47fca85f7862c0797a527ab01ac8b0c1
 2008-01-02 11:50:51 +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
danielk1977
967573d56a Fix some problems similar to #2832, but caused by triggers instead of an OR REPLACE clause. (CVS 4615) 
FossilOrigin-Name: ee98ae17187296f7b0181c3d4d2b942d5cd4bc8f
 2007-12-12 16:06:23 +00:00
drh
89e0dde1c9 Fix database corrupting code generation error for UPDATE OR REPLACE. 
ticket #2832.  Still need to add test cases and additional defensive
logic to avoid future occurrences of similar problems. (CVS 4613)

FossilOrigin-Name: 18e10f816782ca7842f651e9b2a23da1aab645c8
 2007-12-12 12:25:21 +00:00
drh
a99e881176 Add a new OP_StackDepth opcode to help detect VDBE stack leaks early, 
before they cause damage.  For diagnostics in ticket #2832. (CVS 4612)

FossilOrigin-Name: 3fd6a267533cedcca9b8ba3533c107d7341a06c6
 2007-12-12 12:00:45 +00:00
drh
95c0775484 Fix the code generation for UPDATE and DELETE so that 
BEFORE triggers that use RAISE(IGNORE) do not leave extra
values on the stack.  Ticket #2767 (CVS 4535)

FossilOrigin-Name: 3391f4139ccfe62cc27739a06567c422ddae9c69
 2007-11-11 18:36:34 +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
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