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50 ancestors of adc082c1461e0237
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2017-07-17
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| 19:25 | When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. (Closed-Leaf check-in: adc082c146 user: drh tags: push-down-backport) | |
| 19:14 | Do not apply the WHERE-clause pushdown optimization to terms that originate in the ON or USING clause of a LEFT JOIN. Fix for ticket [c2a19d81652f40568c]. (check-in: 52674f948c user: drh tags: push-down-backport) | |
| 19:07 | For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Cherry-pick from [6df18e949d36]. Still need to backport bug fixes associated with that check-in. (check-in: 043d6ce8ad user: drh tags: push-down-backport) | |
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2017-07-08
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| 01:01 | Fix the covering index OR optimization (check-in [fcbd6abd]) so that it works with SQLITE_MAX_ATTACHED>30. Broken by a bad cherry-pick merge. (check-in: d227de8ad9 user: drh tags: branch-3.8.9) | |
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2017-07-05
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| 16:20 | Make use of covering indexes in the OR optimization. (check-in: fcbd6abdb1 user: drh tags: branch-3.8.9) | |
| 14:54 | Add the count-of-view optimization when compiled using SQLITE_COUNTOFVIEW_OPTIMIZATION. (check-in: b7ae4b879f user: drh tags: branch-3.8.9) | |
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2017-07-04
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| 19:34 | Add the count-of-view optimization when compiled using SQLITE_COUNTOFVIEW_OPTIMIZATION. (check-in: d1ba200234 user: drh tags: trunk) | |
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2017-06-06
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| 18:22 | Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated number of rows in tables that lack sqlite_stat1 entries. (check-in: 802b82f342 user: drh tags: branch-3.8.9) | |
| 18:20 | Add the SQLITE_DEFAULT_ROWEST compile-time option for changing the estimated number of rows in tables that lack sqlite_stat1 entries. (check-in: 234ede26e3 user: drh tags: trunk) | |
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2017-05-24
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| 04:32 | Fix a problem in STAT4 equality estimation for multi-column indexes introduced by check-in [3e0590dee0e68cc1599]. (check-in: 19dad0a720 user: drh tags: branch-3.8.9) | |
| 04:18 | Fix a problem in STAT4 equality estimation for multi-column indexes introduced by check-in [3e0590dee0e68cc1599]. (check-in: cfb0d9e020 user: drh tags: trunk) | |
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2017-05-22
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| 00:27 | When planning a query using sorting, resolve ties in the solver by selecting loop plans with the smaller unsorted cost. (check-in: 962531e7c1 user: drh tags: branch-3.8.9) | |
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2017-01-11
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| 14:21 | In the STAT4 computations, ensure that the aAvgEq values do not go negative. (check-in: 4f83f6806a user: drh tags: branch-3.8.9) | |
| 14:15 | In the STAT4 computations, ensure that the aAvgEq values do not go negative. (check-in: f58f75b5a0 user: drh tags: trunk) | |
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2016-11-02
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| 16:29 | When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4] backported to the 3.8.9 branch. (check-in: 8e4ba115ed user: drh tags: branch-3.8.9) | |
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2016-09-23
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| 18:06 | Fix the ORDER BY LIMIT optimization backport so that it works when the ORDER BY uses the DESC direction. (check-in: 0c3cafb7eb user: drh tags: branch-3.8.9) | |
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2016-09-14
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| 01:43 | Backport the ORDER BY LIMIT optimization to version 3.8.9. (check-in: db3614825f user: drh tags: branch-3.8.9) | |
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2016-04-25
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| 02:20 | When checking for the WHERE-clause push-down optimization, verify that all terms of the compound inner SELECT are non-aggregate, not just the last term. Fix for ticket [f7f8c97e97597]. (check-in: ec215f94ac user: drh tags: trunk) | |
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2016-01-30
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| 02:10 | Make use of covering indexes in the OR optimization. (check-in: 9de3d71230 user: drh tags: trunk) | |
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2016-01-13
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| 17:50 | When the block sorting optimization is used in a scalar subquery, be sure to exit the loop as soon as the first valid output row is received. Fix for ticket [cb3aa0641d9a4]. (check-in: cdbb0947f9 user: drh tags: trunk) | |
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2015-08-22
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| 01:32 | Do not apply the WHERE-clause pushdown optimization to terms that originate in the ON or USING clause of a LEFT JOIN. Fix for ticket [c2a19d81652f40568c]. (check-in: 351bc22fa9 user: drh tags: trunk) | |
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2015-06-02
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| 18:09 | For FROM-clause subqueries that cannot be flattened, try to push relevant WHERE clause terms of the outer query down into the subquery in order to help the subquery run faster and/or use less memory. Call this the "WHERE-clause push-down optimization". Do not confuse this with the completely different MySQL push-down optimization. (check-in: 6df18e949d user: drh tags: trunk) | |
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2015-04-08
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| 12:16 | Version 3.8.9 (check-in: 8a8ffc862e user: drh tags: trunk, release, version-3.8.9) | |
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2015-04-07
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| 15:39 | Avoid signed integer overflow when converting oversized in-line integer widths and precisions in printf(). (check-in: 8e4ac2ce24 user: drh tags: trunk) | |
| 14:38 | Another change to avoid a problem caused by integer overflow in the printf() code. (check-in: 95625ef3ad user: dan tags: trunk) | |
| 13:28 | Further changes to guard against integer overflow in the width and precision of printf() arguments. (check-in: 5ce4e7d765 user: drh tags: trunk) | |
| 12:41 | Guard against excessive width and precision in floating-point conversions in the printf routines. (check-in: c494171f77 user: drh tags: trunk) | |
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2015-04-06
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| 11:04 | Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. (check-in: 3ad829e50f user: dan tags: trunk) | |
| 09:05 | Fix a problem with fts3 prefix terms within phrase queries on "order=DESC" tables with a mix of negative and positive rowids. (Closed-Leaf check-in: 0cdf502885 user: dan tags: fts3-prefix-query-fix) | |
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2015-04-04
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| 16:49 | Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. (check-in: edc1de2a58 user: dan tags: trunk) | |
| 16:43 | Fix a problem with resolving ORDER BY clauses that feature COLLATE clauses attached to compound SELECT statements. (Closed-Leaf check-in: 427b50fba7 user: dan tags: compound-order-by-fix) | |
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2015-04-03
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| 20:33 | Disable the SQLITE_FCNTL_WAL_BLOCK feature for now. It needs more work and is not yet ready for release. (check-in: 4ae9a3acc4 user: drh tags: trunk) | |
| 18:33 | Add source code to the "showlocks" utility program in the tool/ subdirectory. (check-in: 6868cc66d2 user: drh tags: trunk) | |
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2015-04-02
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| 15:24 | Disable e_walauto.test on OpenBSD, as it requires a coherent cache. (check-in: 9070122708 user: dan tags: trunk) | |
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2015-04-01
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| 13:21 | Improved detection and suppression of endless loops in clearDatabasePage(). (check-in: 30011ad2f5 user: drh tags: trunk) | |
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2015-03-31
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| 19:40 | On windows, flush the mapping view when syncing content to disk. (check-in: a828e73dc1 user: drh tags: trunk) | |
| 18:05 | Add the "mptest" target to main.mk. Change TRUNCATE and PERSIST to DELETE for mptest.c on Windows because of problems trying to delete the journal. (check-in: ea697e6d9f user: drh tags: trunk) | |
| 17:32 | Change the sqlite3_log() message generated on a retry after delay in os_win to be an SQLITE_NOTICE instead of SQLITE_IOERR. (check-in: 5d533eee04 user: drh tags: trunk) | |
| 17:01 | Fix configure.ac and Makefile.in so that they generate pkgIndex.tcl correctly. (check-in: 3deff25249 user: drh tags: trunk) | |
| 16:42 | Minor tweaks to the MSVC Makefile. (check-in: 7244ea59ed user: mistachkin tags: trunk) | |
| 16:33 | Handle very large URI pathnames for in-memory shared-cache databases. (check-in: 586a94e85b user: drh tags: trunk) | |
| 15:15 | Fix harmless compiler warnings in lemon.c (check-in: bbe7dcda68 user: drh tags: trunk) | |
| 14:31 | Fix the corruptJ.test case so that it works with and without SQLITE_SECURE_DELETE. (check-in: 0c0ecfd685 user: drh tags: trunk) | |
| 14:18 | Additional logging information output by mptester. (check-in: 0cbbf6e457 user: drh tags: trunk) | |
| 13:46 | Add the "mptest" target to Makefile.msc (check-in: 1e814e0bd1 user: drh tags: trunk) | |
| 11:42 | Ensure that comparison operators do not mess up the MEM_Dyn flag on registers when reverting affinity changes. (check-in: 02e3c88fbf user: drh tags: trunk) | |
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2015-03-30
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| 23:43 | Prevent a possible infinite loop when trying to DROP a table from a corrupt database. (check-in: 395bb3e677 user: drh tags: trunk) | |
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2015-03-27
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| 18:22 | Merge updates from trunk. (Closed-Leaf check-in: 45acf6a851 user: mistachkin tags: winViewFlush) | |
| 18:20 | Enhancements to OSTRACE usage in the Win32 VFS. (check-in: ab5800291e user: mistachkin tags: trunk) | |
| 02:27 | Fix the ".testctrl imposter" command in the command-line shell to be consistent in error reporting and results with the other .testctrl commands. (check-in: 0ec08ba8a0 user: drh tags: trunk) | |
| 00:21 | Using MSVC, get the sqlite3IoTrace variable working with the USE_STDCALL and/or DYNAMIC_SHELL options. (check-in: fe976c9130 user: mistachkin tags: trunk) | |