This Day In History For 2018-04-11
1 Year Ago (more context)
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2017-04-11
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| 20:48 | Avoid updating unaffected indexes on a table as part of an UPDATE that requires foreign key processing in some cases. (check-in: 7aae5c0f99 user: dan tags: trunk) | |
| 19:58 | Avoid updating unaffected indexes on a table as part of an UPDATE that requires foreign key processing in some cases. (Closed-Leaf check-in: 477bea9ed0 user: dan tags: fkey-optimization) | |
| 19:00 | Update this branch with latest trunk changes. (check-in: 0f66a09393 user: dan tags: schemalint) | |
| 18:55 | • Fixed ticket [981329adee]: Stack overflow while parsing deeply nested JSON plus 5 other changes (artifact: 86a95386f6 user: drh) | |
| 18:55 | Limit the depth of recursion for valid JSON in the JSON1 extension in order to avoid using excess stack space in the recursive descent parser. Fix for ticket [981329adeef51011052667a9]. (check-in: 1f68c18459 user: drh tags: trunk) | |
| 18:29 | Fix a formatting issue in the output of the sqlite3_expert program. (check-in: cc8c358106 user: dan tags: schemalint) | |
| 18:09 | • New ticket [981329adee] Stack overflow while parsing deeply nested JSON. (artifact: 85802dae73 user: drh) | |
| 18:06 | Smaller and faster implementation of exprMightBeIndexed(). (check-in: 76cd611d41 user: drh tags: trunk) | |
| 17:43 | Add header comments to the API functions in sqlite3expert.h. Include a list of all candidate indexes in the report output by the sqlite3_expert program. (check-in: 0c45c5eb9f user: dan tags: schemalint) | |
| 16:44 | Very slight smaller and faster sqlite3SelectNew() (check-in: 4143650c4c user: drh tags: trunk) | |
| 12:20 | Add an ALWAYS() around an unreachable condition in sqlite3VdbeMemGrow(). (check-in: 0f3eb61f44 user: drh tags: trunk) | |
| 11:52 | Fix a segfault that could occur if an indexed expression was used in a comparison operation within the result-set of a SELECT statement. (check-in: d6bb7c42ff user: dan tags: trunk) | |
| 01:30 | When evaluating a query that uses an index on an expression, try to use the expression values read directly from the index rather than reevaluating the expression. (check-in: a47efb7c85 user: drh tags: trunk) | |
| 01:01 | Improved comments. Fix a problem when an indexed expression is used in an ORDER BY clause. (Closed-Leaf check-in: c59eaf2b7c user: drh tags: covering-index-on-expr) | |
2 Years Ago (more context)
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2016-04-11
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| 22:45 | Further refinements. (check-in: b35bb928b2 user: mistachkin tags: winCeLocalTime) | |
| 22:24 | Merge updates from trunk. (check-in: b8094166b3 user: mistachkin tags: winCeLocalTime) | |
| 22:23 | Fix typo in the MSVC makefile. (check-in: 3189a7f185 user: mistachkin tags: trunk) | |
| 22:10 | Fix some compilation issues. (check-in: 016481b39f user: mistachkin tags: winCeLocalTime) | |
| 19:59 | Add the sqlite3_snapshot_cmp() API. (check-in: c698a21af7 user: dan tags: snapshot-cmp) | |
| 19:24 | Fix a typo in temptable2.test. (check-in: 04b1890fbc user: dan tags: tempfiles-lazy-open) | |
| 19:23 | Add tests for wal mode to temptable2.test. (check-in: c6d0d441a1 user: dan tags: tempfiles-lazy-open) | |
| 19:01 | Performance optimization to sqlite3Dequote() and its callers. (check-in: 9efe2265b1 user: drh tags: trunk) | |
| 18:50 | Merge latest trunk changes with this branch. (check-in: ffc62af1d5 user: dan tags: tempfiles-lazy-open) | |
| 18:49 | Add extra tests to temptable2.test. (check-in: 7dd9d4c15b user: dan tags: tempfiles-lazy-open) | |
| 18:25 | Performance optimization for the sqlite3ExprListDelete() routine. (check-in: 2764aeaa11 user: drh tags: trunk) | |
| 18:15 | Performance optimizations in the column cache of the code generator, and especially the sqlite3ExprCacheRemove() routine. (check-in: e35b345cf8 user: drh tags: trunk) | |
| 18:07 | Fixes for OOM and IO error handling with temp file databases. (check-in: 4eb06e843a user: dan tags: tempfiles-lazy-open) | |
| 16:43 | Simplification and performance improvements in sqlite3ExprDup() and its subroutines. More work is possible in this area. (check-in: 476cc28388 user: drh tags: trunk) | |
| 16:35 | Rename the OP_MX_JUMP macro to SQLITE_MX_JUMP_OPCODE to avoid confusing the opcode name generator. (check-in: e554a4c38b user: drh tags: trunk) | |
| 14:49 | Performance improvement in sqlite3ExprDelete(). (check-in: 60ad80e3af user: drh tags: trunk) | |
| 13:36 | Remove the VdbeOp.opflags field and its associated initialization overhead. Update mkopcodeh.tcl to reorder opcode numbers to help the resolveP2Values() routine run faster. (check-in: 099478fa75 user: drh tags: trunk) | |
| 09:39 | Update this branch with the latest changes from the trunk. (check-in: 982b753d0b user: dan tags: tempfiles-lazy-open) | |
| 01:43 | Back off of the parser optimization in the previous check-in, slightly, to preserve some backwards compatibility regarding some undocumented behavior in the '#AAA' style query parameter. (check-in: ef1966c246 user: drh tags: trunk) | |
| 01:26 | Small size reduction and performance improvement in the parser. (check-in: 16df71284b user: drh tags: trunk) | |
| 01:06 | Factor out the common operation of setting the Expr.x.pSelect field of an Expr object into a subroutine. (check-in: 6a5cceee48 user: drh tags: trunk) | |
3 Years Ago (more context)
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2015-04-11
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| 20:44 | Optimizations for VACUUM, CREATE INDEX and some cases of ORDER BY. (check-in: 79326d6eec user: dan tags: trunk) | |
| 20:20 | Fix a problem with sorting large amounts of partially ordered data. (check-in: acca97efda user: dan tags: trunk) | |
| 18:45 | Merge latest trunk changes with this branch. (Closed-Leaf check-in: cf7590f607 user: dan tags: sorter-opt) | |
| 18:25 | Have fts5 integrity check verify that prefix indexes contain the same values as returned by prefix queries on the main terms index. (check-in: bdb8e82ab6 user: dan tags: fts5) | |
| 17:16 | • Edit [c4340b2ea2115ad9|c4340b2ea2]: Mark "Closed". (artifact: b943df71a2 user: drh) | |
| 17:09 | Merge the sessions-diff branch with this one. (check-in: 805baa57e5 user: dan tags: sessions) | |
| 16:23 | Improve fts5 integrity-check so that it checks that DESC queries return the same as ASC. Change the poslist format slightly to make room for a delete-flag. (check-in: 49c1e74522 user: dan tags: fts5) | |
| 13:49 | Add the --changeset option to the sqldiff utility program, for generating a sessions changeset file instead of an SQL diff. (check-in: f9a3a8391c user: drh tags: trunk) | |
| 13:48 | The --changeset option now appears to be working. (Closed-Leaf check-in: 1a2e280392 user: drh tags: sqldiff-changeset) | |
| 12:07 | First complete attempt to generate a working changeset. Still contains bugs. (check-in: 5611fa9bd5 user: drh tags: sqldiff-changeset) | |
| 11:53 | Update tests in whereD.test to account for the change in the previous commit. (check-in: da49700ca1 user: dan tags: trunk) | |
| 11:45 | • Closed ticket [7b4fee9f6c]: Expressions like (a IS NULL AND b = ?) optimized by a UNIQUE index matching a single row only plus 6 other changes (artifact: 51edb7d06b user: dan) | |
| 11:44 | Do not assume an index contains unique entries unless it is declared UNIQUE and NOT NULL is specified for all columns. Fix for [7b4fee9f6c]. (check-in: e3b1f62551 user: dan tags: trunk) | |
| 11:06 | • New ticket [7b4fee9f6c] Expressions like (a IS NULL AND b = ?) optimized by a UNIQUE index matching a single row only. (artifact: a72fb3c97e user: dan) | |
| 02:08 | Detect and report oversized records constructed from multiple zeroblobs. (check-in: 9e139afd92 user: drh tags: trunk) | |
4 Years Ago (more context)
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2014-04-11
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| 23:14 | Add the new interfaces to rtree, though they do not yet work. Add the "show_speedtest1_rtree.tcl" script for showing the test data used for the R-Tree tests of speedtest1. Change speedtest1 to generate better R-Tree test data. (check-in: 0b70275972 user: drh tags: rtree-enhancements) | |
| 19:43 | Avoid having the sorter merge too many PMAs at a time when incrementally merging data following a SorterRewind(). (check-in: 98bf0307b1 user: dan tags: threads-experimental) | |
| 17:41 | Add the --verify option to speedtest1. Add verification test cases to the "rtree" testset and a case that uses a custom geometry callback. (check-in: 9d485c4207 user: drh tags: rtree-enhancements) | |
| 16:14 | Update comments in the R-Tree module in preparation for some big changes. Add an "rtree" performance test to speedtest1. (check-in: 20a73ec0b2 user: drh tags: rtree-enhancements) | |
5 Years Ago (more context)
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2013-04-11
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| 22:52 | Expand scope of the SQLITE_DISABLE_MMAP define for the Win32 VFS. (Closed-Leaf check-in: daa168f3da user: mistachkin tags: winDisableMmap) | |
| 21:13 | For the multi-process tester on Win32, make use of the GetCurrentProcessId API. (check-in: f1b524b9d9 user: mistachkin tags: trunk) | |
| 19:04 | Increase the version number to 3.7.16.2 and cherrypick the fix for ticket [7ff3120e4fa54abb55]. This check-in is a release candidate. (check-in: 86f26f9152 user: drh tags: branch-3.7.16) | |
| 18:34 | • Ticket [7ff3120e4f] Recovery race condition leads to database corruption on Windows status still Open with 6 other changes (artifact: 55e0777128 user: drh) | |
| 18:28 | Fix the xCheckReservedLock() method on the windows VFS so that it cannot return a false positive when two or more processes use it at the same time on the same file. Ticket [7ff3120e4fa54abb55] (check-in: dd3510bb20 user: drh tags: trunk) | |
| 18:04 | • New ticket [7ff3120e4f] Recovery race condition leads to database corruption on Windows. (artifact: cc324cdb97 user: drh) | |
| 13:26 | Fix pragma code generation so that it always outputs an OP_Trace opcode so that pragmas are shown in sqlite3_trace() output. (check-in: 663f04bd48 user: drh tags: trunk) | |
| 11:53 | Show the process-id on log messages from mptester. (check-in: 6748a83dc5 user: drh tags: trunk) | |
| 01:16 | Have the UNIX VFS issue warnings via sqlite3_log() if a database file is renamed or unlinked or linked to more than one name while the file is open. (check-in: e238dcf918 user: drh tags: trunk) | |
| 00:45 | Correct minor typo in two regular expressions. (check-in: f1eed92b7b user: mistachkin tags: sessions) | |
| 00:13 | Experimental changes to support a Win32 VSIX package flavor. (Closed-Leaf check-in: abedd7cb45 user: mistachkin tags: vsixWin32) | |
| 00:09 | Enhance multi-process tester integration with the Win32 API. (check-in: 0fdc743583 user: mistachkin tags: trunk) | |
10 Years Ago (more context)
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2008-04-11
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| 21:20 | Add the speedtest8inst1.c program for running speed tests with an instrumented VFS. (CVS 4993) (check-in: baa8056c67 user: drh tags: trunk) | |
| 19:37 | Faster implementation of hexToInt that uses not branches. Ticket #3047. (CVS 4992) (check-in: a70e958756 user: drh tags: trunk) | |
| 19:18 | Avoid the use of uninitialized variables in sqlite3GenerateRowIndexDelete. Ticket #3048. (CVS 4991) (check-in: a93b7a344a user: drh tags: trunk) | |
| 17:15 | Remove a recently added assert() that is failing with certain compilers on 32-bit platforms. Ticket #3043. (CVS 4990) (check-in: 03c0279d7b user: danielk1977 tags: trunk) | |
| 17:11 | Remove entries from the sqlite_stat1 table whenever an index is dropped. Related to #3033. (CVS 4989) (check-in: 349aab42c7 user: danielk1977 tags: trunk) | |
| 15:36 | Additional reductions in the use of memset(). (CVS 4988) (check-in: 38746c5438 user: drh tags: trunk) | |
| 14:56 | Speed improvements by removing unnecessary memset() operations. Also: do not resize the opcode array of a virtual machine to its minimum size after code generation completes. The extra resize merely uses time. (CVS 4987) (check-in: 2589955507 user: drh tags: trunk) | |