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50 check-ins occurring around e97e4578671d85b6.
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2008-01-08
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| 23:54 | Registerify the comparison opcodes. (CVS 4697) (check-in: 8862ce9cee user: drh tags: trunk) | |
| 18:57 | Finish registerizing the core logic of INSERT and UPDATE. (CVS 4696) (check-in: 5fd1036788 user: drh tags: trunk) | |
| 16:03 | Add crash4.test with additional crash testing. (CVS 4695) (check-in: 87b4ac4b73 user: drh tags: trunk) | |
| 15:18 | Add additional randomness to crash tests. (CVS 4694) (check-in: 3ccce1f58b user: drh tags: trunk) | |
| 02:57 | Progress toward registerification of the constraint checking logic for INSERT and UPDATE. (CVS 4693) (check-in: b9bf509e39 user: drh tags: trunk) | |
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2008-01-07
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| 19:20 | Registerify the AUTOINCREMENT processing and the OP_IsNull and OP_NotNull operators. (CVS 4692) (check-in: aa48867cfa user: drh tags: trunk) | |
| 10:16 | Comment changes in select.c. (CVS 4691) (check-in: 38020592f1 user: danielk1977 tags: trunk) | |
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2008-01-06
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| 00:25 | Registerify the SRT_Subroutine destination for SELECT results. (CVS 4690) (check-in: 8201f71729 user: drh tags: trunk) | |
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2008-01-05
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| 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: 6bb1b1bc18 user: drh tags: trunk) | |
| 18:44 | Fix a memory leak introduced with #4687. (CVS 4688) (check-in: 2b98b0fca8 user: danielk1977 tags: trunk) | |
| 17:39 | First pass at optimizing max()/min() as described in #2853. Some refinements to come. (CVS 4687) (check-in: c449e04f18 user: danielk1977 tags: trunk) | |
| 16:29 | Registerify binary operators. Add register tracing to debugging output. (CVS 4686) (check-in: 66396d2f02 user: drh tags: trunk) | |
| 06:51 | Expression code generator takes advantage of recent opcode changes. (CVS 4685) (check-in: 6c78d2a49a user: drh tags: trunk) | |
| 05:38 | Register-ify the OP_ForceInt opcode. (CVS 4684) (check-in: 32380dcabc user: drh tags: trunk) | |
| 05:20 | Register-ify the OP_AddImm and all casting opcodes. Omit the OP_MemIncr opcode. (CVS 4683) (check-in: 3e8a07dd3c 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: cc149eb9ca user: drh tags: trunk) | |
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2008-01-04
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| 22:01 | Implement the out2-prerelease opcode design pattern. (CVS 4681) (check-in: fe057a88d0 user: drh tags: trunk) | |
| 19:33 | Allow the P2 operand to be negative on opcodes that are not jumps. (CVS 4680) (check-in: 717bcd11a2 user: drh tags: trunk) | |
| 19:12 | Fix mkopcodeh.awk so that it works on a mac. (CVS 4679) (check-in: 59d3dfa41f user: drh tags: trunk) | |
| 19:10 | Some modifications to insert.c to work without using the stack. (CVS 4678) (check-in: d9ac6beef5 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: 042dcb9621 user: drh tags: trunk) | |
| 13:57 | Modify FifoRead and FifoWrite to work exclusively with memory cells. (CVS 4676) (check-in: 2c913908a4 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: 173f281334 user: danielk1977 tags: trunk) | |
| 11:01 | Add OP_MemSet, for setting a memory cell to a string value. (CVS 4674) (check-in: 8bb9f970dd user: danielk1977 tags: trunk) | |
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2008-01-03
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| 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: 61bfb77c42 user: drh tags: trunk) | |
| 18:56 | Fix typo in comment. Ticket #2870. (CVS 4672) (check-in: e97e457867 user: danielk1977 tags: trunk) | |
| 18:44 | Update OP_Rowid, OP_Column and related opcodes to use registers. (CVS 4671) (check-in: 4f3967073d user: drh tags: trunk) | |
| 18:39 | Modify VFilter and VRename to use registers instead of the vdbe stack for inputs. (CVS 4670) (check-in: 253ed40aa3 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: 0b849805c3 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: 955b15a020 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: 7e8330c804 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: 46501f490a user: danielk1977 tags: trunk) | |
| 08:18 | Change the output of vdbe_trace etc. to include operands p3 and p5. (CVS 4665) (check-in: 76f2040b05 user: danielk1977 tags: trunk) | |
| 08:08 | Combine the OP_Column and OP_DfltValue opcodes. (CVS 4664) (check-in: c30f820635 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: 35da261daf user: danielk1977 tags: trunk) | |
| 07:09 | Fix EXPLAIN and EXPLAIN query plan to work with new opcode format. (CVS 4662) (check-in: b166c33a7b user: danielk1977 tags: trunk) | |
| 01:28 | Revamp sqlite3VdbeAddOpList() so that the structure holds integer values for P1, P2, and P3. (CVS 4661) (check-in: 4dc507d87b 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: 027875e4d4 user: drh tags: trunk) | |
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2008-01-02
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| 17:25 | Add operands p4 and p5 to the VdbeOp structure. (CVS 4659) (check-in: ad528735e4 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: fbd17a8976 user: danielk1977 tags: trunk) | |
| 16:27 | Combine the eDest and iParm arguments to sqlite3Select() into a single type - "SelectDest". (CVS 4657) (check-in: 86dcdfe6d7 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: 4c7f35da77 user: drh tags: trunk) | |
| 13:05 | Remove a surplus OP_Close from delete.c. Fixes a problem with (4654). (CVS 4655) (check-in: 03cc91b3b0 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: f1966a8a47 user: danielk1977 tags: trunk) | |
| 04:41 | Add some extra tests for the recent trigger compilation optimization. (CVS 4653) (check-in: de54dad800 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: 051ec01f27 user: drh tags: trunk) | |
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2008-01-01
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| 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: e08a33ed72 user: danielk1977 tags: trunk) | |
| 06:19 | Silence a harmless unitialised variable warning in btree.c. Ticket #2862. (CVS 4650) (check-in: b51782ccac 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: 6dea8c1638 user: danielk1977 tags: trunk) | |
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2007-12-30
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| 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: 9719a06394 user: pweilbacher tags: trunk) | |