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100 check-ins occurring around 8201f71729c3afbb.

2008-01-22
16:35
Detect and report a particular type of database corruption that would formerly cause a segfault. (CVS 4740) check-in: f47cf3cc user: drh tags: trunk
16:35
Detect and report a particular type of database corruption that would formerly cause a segfault. (CVS 4739) check-in: 6ed2d9f8 user: drh tags: trunk
14:50
Remove dead code from the lemon-generated parser. Better testing of the sqlite3_file_control() interface, and in particular make sure the interface works on :memory: databases. (CVS 4738) check-in: 83ca4fc7 user: drh tags: trunk
11:50
Move the test (sqlite3_simulate_device) functionality out of the main code and into a test vfs. (CVS 4737) check-in: 17e7bd6c user: danielk1977 tags: trunk
01:48
Changes to lemon to generate additional comments in the output file and to remove unreachable code. Additional test cases for improved test coverage. (CVS 4736) check-in: 2a0bc1e1 user: drh tags: trunk
2008-01-21
16:47
Additional test cases for the RTRIM collation. (CVS 4735) check-in: 51452d20 user: drh tags: trunk
16:22
Miscellaneous test coverage improvements. (CVS 4734) check-in: 720bc20a user: drh tags: trunk
13:04
Remove some unused branches from internal function sqlite3PagerDontRollback(). (CVS 4733) check-in: 3d4252b0 user: danielk1977 tags: trunk
2008-01-20
23:19
Add the RTRIM collating sequence. Only implemented for UTF8. Still considered experimental and may be removed if we find adverse impact elsewhere in the system. (CVS 4732) check-in: 0bf4e7fe user: drh tags: trunk
2008-01-19
23:50
Additional test coverage improvements. Test coverage now stands at 98.73%. (CVS 4731) check-in: 010f7b78 user: drh tags: trunk
20:11
Miscellaneous code simplifications and cleanup and test coverage enhancements. (CVS 4730) check-in: af129b6d user: drh tags: trunk
03:35
Cleanup and simplification of constraint processing. Simplifications to the VM for better test coverage. (CVS 4729) check-in: d9ebe9d7 user: drh tags: trunk
2008-01-18
17:03
Fix test instrumentation problems on shared_err.test. (CVS 4728) check-in: 5aef5b0d user: drh tags: trunk
14:17
Remove an absolute path from crash5.test. (CVS 4727) check-in: 42d8a377 user: danielk1977 tags: trunk
14:08
Remove the OP_HexBlob instruction and code OP_Blob directly. Reduce the amount of memory allocation required to encode blob literals. Remove the "out2" instruction type. Other minor optimizations. (CVS 4726) check-in: 0e50c020 user: drh tags: trunk
13:42
Add a test (and fix) for possible corruption if malloc() fails during a CREATE INDEX statement, the application continues with the transaction, then crashes. (CVS 4725) check-in: 65245d99 user: danielk1977 tags: trunk
11:33
Add a couple of missing calls to pagerLeave(). (CVS 4724) check-in: 87534dff user: danielk1977 tags: trunk
02:31
Fix a bug in the test scripts that was preventing many scripts from running with all.test. Lots of hidden failures now come to light. (CVS 4723) check-in: 251c78a9 user: drh tags: trunk
2008-01-17
22:27
Test coverage for date.c. (CVS 4722) check-in: a676f949 user: drh tags: trunk
20:26
Improved test coverage in date.c. Report an error if a malloc fails within strftime(). (CVS 4721) check-in: 495fb416 user: drh tags: trunk
17:27
Remove unused p4 element from the {quote: VdbeOpList} object. (CVS 4720) check-in: 1c37d7b6 user: drh tags: trunk
17:15
Reuse registers better in the inner loop of a SELECT statement. (CVS 4719) check-in: 5ba4e5ad user: drh tags: trunk
16:22
Registerification of the VDBE is complete. The operand stack has been removed from the code. All instructions operate out of registers only. (CVS 4718) check-in: 706b41b7 user: drh tags: trunk
02:36
Registerification of the WHERE clause logic. (CVS 4717) check-in: 5581160f user: drh tags: trunk
02:36
Registerification of the WHERE clause logic. (CVS 4716) check-in: b3a141b2 user: drh tags: trunk
2008-01-16
18:20
Use 1<<$x instead of pow(2,$x) in the test suite code. (CVS 4715) check-in: 3a289b6d user: danielk1977 tags: trunk
17:46
Get all tests running without memory leaks. (CVS 4714) check-in: 5807921f user: drh tags: trunk
08:24
Work around using (regexp) in the (ifcapable) function of the test suite. So that simpler versions of tcl can call it. (CVS 4713) check-in: 3aa5606b user: danielk1977 tags: trunk
2008-01-15
02:22
Fix for a couple of minor memory leaks. (CVS 4712) check-in: a13d3e95 user: drh tags: trunk
2008-01-14
15:20
Fix for ticket #2883. (CVS 4711) check-in: 187f41f5 user: drh tags: trunk
2008-01-13
19:02
Fix some issues with out-of-memory recovery. (CVS 4710) check-in: 23181f86 user: drh tags: trunk
2008-01-12
21:35
The sqlite3_trace() callback now prints a message as each trigger fires within a statement. (CVS 4709) check-in: 110c000d user: drh tags: trunk
19:03
Continuing work toward converting the VM to a register machine. (CVS 4708) check-in: 426f31ec user: drh tags: trunk
12:48
Continuing work toward converting the VM into a register machine. (CVS 4707) check-in: a6dddebc user: drh tags: trunk
2008-01-11
15:27
Do explicit range tests before attempting to convert a 64-bit float into a 64-bit integer. Some systems (windows) seem to throw exceptions if the conversion is out of range. Ticket #2880. (CVS 4706) check-in: 4744257d user: drh tags: trunk
00:06
Attempt to work around a bug in the Borland BCC 5.5.1 compiler. Ticket #2880. (CVS 4705) check-in: 6de0ee49 user: drh tags: trunk
2008-01-10
23:50
More work toward converting the VM into a register-based machine. (CVS 4704) check-in: 8cbd4651 user: drh tags: trunk
03:46
Continuing work toward registerizing the code generator. (CVS 4703) check-in: 173698c9 user: drh tags: trunk
00:08
Fix mixing quote excapes in an awk script. Ticket #2877. (CVS 4702) check-in: 05fbca91 user: drh tags: trunk
2008-01-09
23:21
Fix a test script problem associated with the new crash4.test file. Ticket #2882. (CVS 4701) check-in: 1134c5ea user: drh tags: trunk
23:04
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) check-in: e3cf1c1c user: drh tags: trunk
18:31
Fix the build for AIX and other systems where "char" is unsigned by default. (CVS 4699) check-in: 47672af0 user: drh tags: trunk
02:15
Continued work toward converting to a register-based VM. (CVS 4698) check-in: 92deff07 user: drh tags: trunk
2008-01-08
23:54
Registerify the comparison opcodes. (CVS 4697) check-in: 8862ce9c user: drh tags: trunk
18:57
Finish registerizing the core logic of INSERT and UPDATE. (CVS 4696) check-in: 5fd10367 user: drh tags: trunk
16:03
Add crash4.test with additional crash testing. (CVS 4695) check-in: 87b4ac4b user: drh tags: trunk
15:18
Add additional randomness to crash tests. (CVS 4694) check-in: 3ccce1f5 user: drh tags: trunk
02:57
Progress toward registerification of the constraint checking logic for INSERT and UPDATE. (CVS 4693) check-in: b9bf509e user: drh tags: trunk
2008-01-07
19:20
Registerify the AUTOINCREMENT processing and the OP_IsNull and OP_NotNull operators. (CVS 4692) check-in: aa48867c user: drh tags: trunk
10:16
Comment changes in select.c. (CVS 4691) check-in: 38020592 user: danielk1977 tags: trunk
2008-01-06
00:25
Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690) check-in: 8201f717 user: drh tags: trunk
2008-01-05
18:48
Modify OP_RegMakeRec to take a base register and count and optionally store results in the register specified by P3. (CVS 4689) check-in: 6bb1b1bc user: drh tags: trunk
18:44
Fix a memory leak introduced with #4687. (CVS 4688) check-in: 2b98b0fc user: danielk1977 tags: trunk
17:39
First pass at optimizing max()/min() as described in #2853. Some refinements to come. (CVS 4687) check-in: c449e04f user: danielk1977 tags: trunk
16:29
Registerify binary operators. Add register tracing to debugging output. (CVS 4686) check-in: 66396d2f user: drh tags: trunk
06:51
Expression code generator takes advantage of recent opcode changes. (CVS 4685) check-in: 6c78d2a4 user: drh tags: trunk
05:38
Register-ify the OP_ForceInt opcode. (CVS 4684) check-in: 32380dca user: drh tags: trunk
05:20
Register-ify the OP_AddImm and all casting opcodes. Omit the OP_MemIncr opcode. (CVS 4683) check-in: 3e8a07dd user: drh tags: trunk
04:06
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) check-in: cc149eb9 user: drh tags: trunk
2008-01-04
22:01
Implement the out2-prerelease opcode design pattern. (CVS 4681) check-in: fe057a88 user: drh tags: trunk
19:33
Allow the P2 operand to be negative on opcodes that are not jumps. (CVS 4680) check-in: 717bcd11 user: drh tags: trunk
19:12
Fix mkopcodeh.awk so that it works on a mac. (CVS 4679) check-in: 59d3dfa4 user: drh tags: trunk
19:10
Some modifications to insert.c to work without using the stack. (CVS 4678) check-in: d9ac6bee user: danielk1977 tags: trunk
16:50
Replace the NOPUSH_MASKs with a bit-vector mechanism that can contain several different properties about each opcode. (CVS 4677) check-in: 042dcb96 user: drh tags: trunk
13:57
Modify FifoRead and FifoWrite to work exclusively with memory cells. (CVS 4676) check-in: 2c913908 user: danielk1977 tags: trunk
13:24
Modify the code generated for a DELETE to use registers instead of the vdbe stack. (CVS 4675) check-in: 173f2813 user: danielk1977 tags: trunk
11:01
Add OP_MemSet, for setting a memory cell to a string value. (CVS 4674) check-in: 8bb9f970 user: danielk1977 tags: trunk
2008-01-03
23:44
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) check-in: 61bfb77c user: drh tags: trunk
18:56
Fix typo in comment. Ticket #2870. (CVS 4672) check-in: e97e4578 user: danielk1977 tags: trunk
18:44
Update OP_Rowid, OP_Column and related opcodes to use registers. (CVS 4671) check-in: 4f396707 user: drh tags: trunk
18:39
Modify VFilter and VRename to use registers instead of the vdbe stack for inputs. (CVS 4670) check-in: 253ed40a user: danielk1977 tags: trunk
18:03
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) check-in: 0b849805 user: drh tags: trunk
17:31
Modify OP_VUpdate to read arguments from a range of memory cells instead of from the stack. (CVS 4668) check-in: 955b15a0 user: danielk1977 tags: trunk
11:50
Change the VdbeOp.p4 union to include specific pointer types for the various values of VdbeOp.p4type. (CVS 4667) check-in: 7e8330c8 user: danielk1977 tags: trunk
09:51
Change the OP_Insert opcode to read the key and data to insert from memory cells, not the stack. (CVS 4666) check-in: 46501f49 user: danielk1977 tags: trunk
08:18
Change the output of vdbe_trace etc. to include operands p3 and p5. (CVS 4665) check-in: 76f2040b user: danielk1977 tags: trunk
08:08
Combine the OP_Column and OP_DfltValue opcodes. (CVS 4664) check-in: c30f8206 user: danielk1977 tags: trunk
07:54
Change OP_OpenRead and OP_OpenWrite so that the database number is read from the P3 operand, not the stack. (CVS 4663) check-in: 35da261d user: danielk1977 tags: trunk
07:09
Fix EXPLAIN and EXPLAIN query plan to work with new opcode format. (CVS 4662) check-in: b166c33a user: danielk1977 tags: trunk
01:28
Revamp sqlite3VdbeAddOpList() so that the structure holds integer values for P1, P2, and P3. (CVS 4661) check-in: 4dc507d8 user: drh tags: trunk
00:01
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) check-in: 027875e4 user: drh tags: trunk
2008-01-02
17:25
Add operands p4 and p5 to the VdbeOp structure. (CVS 4659) check-in: ad528735 user: drh tags: trunk
17:11
Minor optimizations for sub-selects in EXISTS(...) expressions: Discard any DISTINCT or ORDER BY clauses and do not calculate any column values. (CVS 4658) check-in: fbd17a89 user: danielk1977 tags: trunk
16:27
Combine the eDest and iParm arguments to sqlite3Select() into a single type - "SelectDest". (CVS 4657) check-in: 86dcdfe6 user: danielk1977 tags: trunk
14:28
Add opcodes OP_ResultRow and OP_RegMakeRec which are register-based equivalents to OP_Callback and OP_MakeRecord. Use the new opcodes. (CVS 4656) check-in: 4c7f35da user: drh tags: trunk
13:05
Remove a surplus OP_Close from delete.c. Fixes a problem with (4654). (CVS 4655) check-in: 03cc91b3 user: drh tags: trunk
11:50
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) check-in: f1966a8a user: danielk1977 tags: trunk
04:41
Add some extra tests for the recent trigger compilation optimization. (CVS 4653) check-in: de54dad8 user: danielk1977 tags: trunk
00:34
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) check-in: 051ec01f user: drh tags: trunk
2008-01-01
19:02
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) check-in: e08a33ed user: danielk1977 tags: trunk
06:19
Silence a harmless unitialised variable warning in btree.c. Ticket #2862. (CVS 4650) check-in: b51782cc user: danielk1977 tags: trunk
05:49
Define SQLITE_CORE=1 at the start of the amalgamation file for the benefit of any extension source code (i.e. fts3) appended to it. Ticket #2858. (CVS 4649) check-in: 6dea8c16 user: danielk1977 tags: trunk
2007-12-30
23:38
fix case in os2GetTempname() where none of the usual environment variables are set to not overwrite two unrelated bytes (CVS 4648) check-in: 9719a063 user: pweilbacher tags: trunk
23:35
simplify os2FullPathname() and at the same time make the allocations more robust (CVS 4647) check-in: 6f8952a8 user: pweilbacher tags: trunk
23:29
move variable declaration to be able to compile sqlite3_mutex_alloc() with older compilers (like EMX/gcc 2.8.1) (CVS 4646) check-in: a568a9cf user: pweilbacher tags: trunk
2007-12-29
13:39
Add experimental pragma "quick_check", a reduced version of integrity_check that runs without most of the overhead of the full integrity_check. (CVS 4645) check-in: 2ddc8d72 user: danielk1977 tags: trunk
13:18
Mem3.c enhanced so that an allocation of N bytes only requires (N+11)&~7 bytes instead of (N+15)&~7 bytes of heap storage. Minimum heap usage per allocation is still 16 bytes. 8-byte alignment is preserved. (CVS 4644) check-in: d027f91c user: drh tags: trunk
2007-12-27
15:12
Fix a race condition that can occur when reloading the database schema in shared-cache mode. (CVS 4643) check-in: b37babef user: danielk1977 tags: trunk
2007-12-21
04:47
Fix for #2854. "BEGIN EXCLUSIVE" excludes other shared cache users from using the database. (CVS 4642) check-in: 2e59b1d0 user: danielk1977 tags: trunk
00:02
Fix some issues with lemon. Tickets #2852 and #2835. (CVS 4641) check-in: 5283e0d1 user: drh tags: trunk