This Day In History For 2018-05-20
2 Years Ago (more context)
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2016-05-20
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| 23:51 | Add a simple TCL script for summing cachegrind information for each VDBE opcode. (check-in: 96cf821b6a user: drh tags: trunk) | |
| 21:40 | Another optimization on the OP_Column opcode. (check-in: 1765672c25 user: drh tags: trunk) | |
| 20:58 | Fix typo in comment. (check-in: 9db8f21473 user: mistachkin tags: trunk) | |
| 19:51 | Slight performance improvement in the OP_Column opcode. (check-in: 5c15747439 user: drh tags: trunk) | |
| 18:09 | Remove the sqlite3PagerClearCache() routine, which does not accomplish anything useful. (check-in: f250166bb3 user: drh tags: trunk) | |
| 15:53 | Performance optimization and size reduction on the freeP4() routine. (check-in: 4dc56e8684 user: drh tags: trunk) | |
| 15:24 | Increase the version number to 3.14.0 since we are already making significant code changes. (check-in: 1a0d05765f user: drh tags: trunk) | |
| 15:15 | Use sqlite3VdbeAddOp0() to code OP_Expire, to save a few bytes. (check-in: 3d55d24dcb user: drh tags: trunk) | |
| 14:54 | Optimizations to link list merge sort code in vdbesort.c, pcache.c, and rowset.c. Resulting binaries are 10 bytes smaller and use 0.03% fewer CPU cycles. (check-in: 9033afbb31 user: drh tags: trunk) | |
| 14:11 | For queries with both ORDER BY and LIMIT, if the rows of the inner loop are emitted in ORDER BY order and the LIMIT has been reached, then optimize by exiting the inner loop and continuing with the next cycle of the first outer loop. (check-in: 559733b09e user: drh tags: trunk) | |
| 13:44 | Set the NULLEQ flag on the sequence counter comparison in the ORDER BY LIMIT optimization, to avoid coverage complaints about not testing the NULL case. (Closed-Leaf check-in: ed1b30dc93 user: drh tags: orderby-limit) | |
| 12:22 | Autoconf configure.ac adjustment to try to get it to look for both editline and readline automatically. (check-in: 645bd696df user: drh tags: trunk) | |
| 00:21 | A few simple test cases for the ORDER BY LIMIT optimization. (check-in: 08849eab0f user: drh tags: orderby-limit) | |
3 Years Ago (more context)
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2015-05-20
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| 22:01 | Add the sqlite3_value_dup() and sqlite3_value_free() interfaces and use those to add the sqlite3_rtree_query_info.apSqlParam field to the query callback in R-Tree. (check-in: 2007391cec user: drh tags: sessions-value-dup) | |
| 21:28 | Add the sqlite3_value_dup() and sqlite3_value_free() interfaces. Use these interfaces to enhance R-Tree to add the sqlite3_rtree_query_info.apSqlParam field. (check-in: a7ee40c4fc user: drh tags: value-dup) | |
| 20:50 | Fix a problem in test file e_reindex.test. Cherrypick of [5b3de9390f2f]. (check-in: 80633682d7 user: dan tags: branch-3.8.6) | |
| 20:34 | Fix a problem causing the fts3 integrity-check to fail if run inside a transaction. Cherrypick of [3b925189a75e]. (check-in: 7d7d633c71 user: dan tags: branch-3.8.6) | |
| 20:30 | Ensure that tables names are dequoted exactly once by the trigger and FK logic. Cherrypick of [59e92bd9521f] and [9d887b92f808]. (check-in: bd357739d7 user: dan tags: branch-3.8.6) | |
| 20:27 | Fix an obscure problem with "INSERT INTO tbl(cols) SELECT" statements where the SELECT is a compound with an ORDER BY and "cols" is a strict subset of tbl's columns. Cherrypick of [718d5d0eab04]. (check-in: 3cd2b77221 user: dan tags: branch-3.8.6) | |
| 20:24 | Fix a potential NULL pointer deference on a corrupt database schema. Cherrypick of [dc61b292d8ea]. (check-in: 7f3943fb01 user: dan tags: branch-3.8.6) | |
| 20:21 | Fix a bug caused by cherrypicking from a branch that assumes sqlite3_stricmp() can handle NULL arguments. (check-in: 2c649cdf7e user: dan tags: branch-3.8.6) | |
| 19:57 | When parsing the schema, ignore any SQL that does not begin with "CREATE". Cherrypick of [d3c00d61581c]. (check-in: 0da229b81a user: dan tags: branch-3.8.6) | |
| 19:53 | Detect and report oversized records constructed from multiple zeroblobs. Cherrypick of [9e139afd9211]. (check-in: 4a08f6b8bb user: dan tags: branch-3.8.6) | |
| 19:50 | Do not allow virtual table constructors to be called recursively. Cherrypick of [0a72726da215] (check-in: 023a29baf0 user: dan tags: branch-3.8.6) | |
| 19:48 | Avoid signed integer overflow when converting oversized in-line integer widths and precisions in printf(). Cherrypick of [c494171f77dc], [5ce4e7d7651e], [95625ef3adc3] and [8e4ac2ce2441]. (check-in: b330c7ff6f user: dan tags: branch-3.8.6) | |
| 19:44 | Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. Cherrypick of [02e3c88fbf6a]. (check-in: 4125477e63 user: dan tags: branch-3.8.6) | |
| 19:34 | Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. Cherrypick of [eddc05e7bb31]. (check-in: fc1a4f293c user: dan tags: branch-3.8.6) | |
| 19:32 | Silently ignore any attempt to add a prefix index for prefixes zero bytes in size to an fts3/4 table. Or any prefix index size so large that it overflows a 32-bit signed integer. Cherrypick of [ad4b19d2ac0889a2]. (check-in: ff7be4db84 user: dan tags: branch-3.8.6) | |
| 18:17 | Version 3.8.10.2 (check-in: 2ef4f3a5b1 user: drh tags: release, version-3.8.10.2, branch-3.8.10) | |
| 17:36 | Fix the initialization logic in CREATE TABLE AS so that the correct affinities are applied to all values being inserted into the new table, even if the RHS is a compound SELECT. Fix for ticket [f2ad7de056ab1dc9200]. (check-in: 6a0cf3ce9e user: drh tags: trunk) | |
| 17:36 | • Fixed ticket [f2ad7de056]: Corrupt table created by CREATE TABLE AS followed by compound SELECT plus 3 other changes (artifact: 81fc82f6fc user: drh) | |
| 17:25 | Add a test case to verify that CREATE TABLE AS does not store INT values in TEXT columns. Ticket [f2ad7de056ab1dc92]. (Closed-Leaf check-in: 0e45e8f157 user: drh tags: create-table-as-type-fix) | |
| 17:18 | Simplification of the initialization code for CREATE TABLE AS. (check-in: 937f659e89 user: drh tags: create-table-as-type-fix) | |
| 15:52 | • Ticket [f2ad7de056] Corrupt table created by CREATE TABLE AS followed by compound SELECT status still Open with 6 other changes (artifact: 8126358cb5 user: drh) | |
| 15:51 | A proposed fix for the problem of CREATE TABLE AS generating a table that has INTEGER values in a TEXT column. Ticket [f2ad7de056ab1dc92]. (check-in: d5e2c1fc76 user: drh tags: create-table-as-type-fix) | |
| 14:04 | • New ticket [f2ad7de056] Corrupt table created by CREATE TABLE AS followed by compound SELECT. (artifact: 86aa4e2262 user: drh) | |
| 09:27 | Improve test coverage of fts5_tokenize.c. (check-in: 0e91a6a520 user: dan tags: fts5) | |
| 00:15 | Fix handling of queries with VALUES on the left and UNION ALL SELECT on the right and a LIMIT clause. (check-in: c403502cdc user: drh tags: trunk) | |
4 Years Ago (more context)
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2014-05-20
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| 19:11 | Improvements to the testability of the threads.c module. (check-in: 386e088868 user: drh tags: threads) | |
| 11:03 | In vdbesort.c, change the names of PmaReader variables "pIter" to "pReadr". Other related comment changes. The generated object code should be the same. (check-in: 99efb235a0 user: drh tags: threads) | |
| 00:27 | Merge all recent trunk changes into the apple-osx branch. (check-in: 23722be49a user: drh tags: apple-osx) | |
| 00:20 | Merge recent trunk changes into the sessions branch. (check-in: 2d33afe0c4 user: drh tags: sessions) | |
5 Years Ago (more context)
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2013-05-20
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| 15:14 | Merge in all trunk changes up through the 3.7.17 release. (check-in: 14ab6675e5 user: drh tags: nextgen-query-plan-exp) | |
| 13:01 | Update the sessions branch to the official 3.7.17 release code. (check-in: fc88f7311b user: drh tags: sessions) | |
| 00:56 | Version 3.7.17 (check-in: 118a3b3569 user: drh tags: trunk, release, version-3.7.17) | |
10 Years Ago (more context)
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2008-05-20
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| 19:08 | Fix OS/2 compilation for pre-C99 compilers. (CVS 5150) (check-in: de8e67182d user: pweilbacher tags: trunk) | |
| 18:43 | Corrections to the documented behavior of sqlite3_last_insert_rowid(). (This change is unrelated to the problem reported by Bram de Jong. That comes next.) (CVS 5149) (check-in: 894085a59c user: drh tags: trunk) | |
| 15:44 | Changes to the error handling policies of sqlite3_exec() to make them more consistent. Changes to the documentation on the error handling polices of sqlite3_exec() so that the documentation and code agree. (CVS 5148) (check-in: a0376c7907 user: drh tags: trunk) | |
| 14:01 | Added more DST boundary checks for 2006 and 2007. Added check for suspect Windows DST implementations and warning about them. Ticket #2322. (CVS 5147) (check-in: 14226ff0a7 user: shane tags: trunk) | |
| 13:17 | Updated test case for Windows to get around problems in ticket #3129. (CVS 5146) (check-in: 2faf69ca1d user: shane tags: trunk) | |
| 07:05 | Do not attempt to write a master journal name to the (non-existent) journal file in "no-journal" mode. Fix for #3127. (CVS 5145) (check-in: ffd4e50ab9 user: danielk1977 tags: trunk) | |