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50 check-ins occurring around 7a46d1ebe348ce9f.

2009-11-25
19:35
Get trace with parameter insertion working for UTF16 databases. (check-in: 01d5451af0 user: drh tags: trunk)
18:03
Initial check-in of code that inserts tokenizations of the values for bound parameters into the output of sqlite3_trace(). (check-in: 545cfb3b63 user: drh tags: trunk)
16:53
Enhance the %q, %Q, and %w printf conversions so that the precisions specifies the length of the input. (check-in: 3ba773132d user: drh tags: trunk)
2009-11-24
19:02
Recomputed unchanged column values in an UPDATE statement after running BEFORE triggers, in case the triggers have modified any of those values. (Closed-Leaf check-in: 7d30880114 user: drh tags: experimental)
16:26
Fix a tracing macro in the VDBE in the VColumn opcode. (check-in: cb74b81bb0 user: drh tags: trunk)
02:37
Fix SQLITE_SECURE_DELETE so that it overwrites content on the root pages of tables and indices that are dropped using the truncate optimization. (check-in: 02ef972a56 user: drh tags: trunk)
2009-11-23
21:23
Make sure registers computed for the VFilter opcode are marked invalid after the VFilter opcode finishes. Ticket [16fbf14cb2]. (check-in: 83dc7d38c2 user: drh tags: trunk)
15:59
Rearrange the order of two branches in order to restore 100% branch coverage after recent changes to in-memory database processing. (check-in: 6ce6ff4402 user: drh tags: trunk)
14:39
Change so that deleting an Expr structure requires only one frame per level in the expression tree, not two. (check-in: a4380ab326 user: dan tags: trunk)
13:17
Bump the version number to 3.6.21. (check-in: 39214aee65 user: drh tags: trunk)
2009-11-21
03:03
Add some missing comments to fts3 files. No source code changes. (check-in: b6402b2065 user: dan tags: trunk)
01:33
Fix a bug in transaction rollback during backup when the CODEC is enabled that can result in a corrupt backup file. This is only a problem when SQLITE_HAS_CODEC is defined. (check-in: f3398fc4db user: drh tags: trunk)
2009-11-20
18:48
When moving pages as part of autovacuum on an in-memory database, make sure that the source location is journalled so that a ROLLBACK can occur. Part of the fix for ticket [564d412f15a00] (check-in: 2f42f91fe6 user: drh tags: trunk)
17:23
Merge leaf accidentally created by [1c4984c62f]. (check-in: cae949ce97 user: dan tags: trunk)
17:18
Add a test to make sure a database can be attached to a single handle twice if not in shared-cache mode. (check-in: 1c4984c62f user: dan tags: trunk)
16:13
Fix a bug in LIMIT 0 for compound SELECT statement. The problem was introduced by recent enhancements and has not appeared in any release. (check-in: c6ed7e2a73 user: drh tags: trunk)
15:02
If the root pages numbers of the internal schema are adjusted due to autovacuum on a DROP TABLE statement and that statement later aborts (for example, due to an OOM error) then reset the internal schema at the conclusion of the statement. Partial fix for ticket [564d412f15a]. (check-in: e493b093f8 user: drh tags: trunk)
13:18
Avoid unnecessary page cache allocations when move a page while autovacuuming an in-memory database, since the allocation might fail making it impossible to rollback the transaction. (check-in: 9a429349cc user: drh tags: trunk)
05:05
Improve comments and other things in fts3_write.c. (check-in: 1cf0e3cc14 user: dan tags: trunk)
02:24
Minor optimizations to fts3 code. (check-in: b456eacbbb user: dan tags: trunk)
2009-11-19
18:30
Merge leaves [7cd178a72a] and [598727e6da]. (check-in: 4115c0c286 user: dan tags: trunk)
18:28
Fix a performance regression introduced while reworking the fts3 code. (check-in: 7cd178a72a user: dan tags: trunk)
15:44
Remove an unreachable branch from the OP_Affinity suppression logic. (check-in: 598727e6da user: drh tags: trunk)
15:26
Merge fts3-refactor into the main trunk. (check-in: 551dbe30ea user: dan tags: trunk)
15:25
Fix some fts3 related issues with the autoconf and amalgamation build systems. (Closed-Leaf check-in: 3b17924754 user: dan)
14:57
Merge with [4bd4330709]. (check-in: 7a46d1ebe3 user: dan tags: fts3-refactor)
14:52
Merge the fts3-refactor branch with the trunk. (check-in: c8d2bd37a4 user: dan tags: fts3-refactor)
14:48
Fix a bug introduced with recent optimizations: The unary minus operator is TK_UMINUS, not TK_MINUS. (check-in: 4bd4330709 user: drh tags: trunk)
00:15
Fix problems introduced into fts3 as part of the refactoring. (check-in: fa0998e19d user: dan tags: fts3-refactor)
2009-11-18
23:01
Performance improvement by avoiding unnecessary calls to memset(). (check-in: 85940468e6 user: drh tags: trunk)
15:35
Add some missing comments and fix some other issues in fts3 code. (check-in: 2fe579e778 user: dan tags: fts3-refactor)
01:25
Suppress more instances of unnecessary OP_IsNull and OP_Affinity opcodes. (check-in: bf6c0bd1c5 user: drh tags: trunk)
2009-11-17
23:59
Enhancements to the VDBE opcode loop to reduce the number of machine-code instructions evaluated by about 10%. (check-in: 9744ffb3f5 user: drh tags: trunk)
18:31
Code generator tries to avoid pointless OP_IsNull and OP_Affinity opcodes. (check-in: ebb0c8a3e9 user: drh tags: trunk)
12:52
Improvements to the way fts3 reads the full-text index. (check-in: 45c051e786 user: dan tags: fts3-refactor)
2009-11-16
23:36
Make sure the output of sqlite3OsFullPathname is initialized even if the fails due to I/O or OOM errors. (check-in: e4943adb83 user: drh tags: trunk)
22:54
Fix a reference to freed memory that can occur following an OOM error in where.c. (check-in: 929b604739 user: drh tags: trunk)
21:28
Back out part of the change in [23ea2b700fd6d28d] since TH3 reveals some problems in OOM situations. (check-in: 15d215d62d user: drh tags: trunk)
16:36
Add a few extra coverage test cases for fts3. (check-in: f29c8fcade user: dan tags: fts3-refactor)
15:11
Use the sqlite3CtypeMap to improve the speed and reduce the size of the logic in the tokenizer that recognizes identifiers. (check-in: 1c9243b076 user: drh tags: trunk)
03:13
Additional optimizations in sqlite3VdbeRecordCompare(). (check-in: 23ea2b700f user: drh tags: trunk)
02:14
Optimizations to the sqlite3VdbeRecordCompare() routine help it to run 12.5% faster for some traces. (check-in: 74c76f0bf9 user: drh tags: trunk)
2009-11-15
06:50
Fixes to fts3 integrity check code. (check-in: d3cae986ee user: dan tags: fts3-refactor)
2009-11-14
23:22
Optimizations to the main loop inside sqlite3VdbeExec() to help VDBE byte code run a few percent faster. (check-in: d622ac6ac7 user: drh tags: trunk)
18:41
Further OOM testing for fts3 code. Add Tcl code implementing an integrity-check for fts3. (check-in: c27d46b33e user: dan tags: fts3-refactor)
18:04
Make the sqlite3VdbeExec() function about 2% faster by storing the opcode array in a local variable. (check-in: 8bd3cc8272 user: drh tags: trunk)
2009-11-13
20:52
Performance improvements and size reductions on the OP_Seek* family of VDBE opcodes. (check-in: ed820f45cf user: drh tags: trunk)
19:43
Simplify the OPFLG processing logic in the VDBE for a speed boost in the VDBE processing loop and a reduction in code size. (check-in: 3352b3eba5 user: drh tags: trunk)
17:36
Start reworking fts3 code to match the rest of SQLite (code conventions, malloc-failure handling etc.). (check-in: 30a92f1132 user: dan tags: fts3-refactor)
17:05
Force 8-byte memory alignment on memory allocated for VDBE cursors. (check-in: bdc45ba77f user: drh tags: trunk)