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6 descendants and 100 ancestors of adc082c1461e0237
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2018-12-14
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| 20:28 | Add a missing OP_ColumnsUsed opcode to code for expressions like "? IN (SELECT ...)" in cases where expression can use an index that may contain NULL values. (Backported fix from version 3.14.0). (Leaf check-in: 11368e673c user: drh tags: branch-3.8.9) | |
| 20:20 | Add the OP_ColumnsUsed opcode (when compiled with SQLITE_ENABLE_COLUMN_USED_MASK) as a hint to the b-tree layer as to which columns of a btree cursor will be used. (Backport from 3.8.11) (check-in: b29e02f877 user: drh tags: branch-3.8.9) | |
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2017-11-14
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| 18:26 | Fix the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. This is a modified cherrypick of [dae4a97a]. (check-in: b2679d3b7a user: dan tags: branch-3.8.9) | |
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2017-11-09
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| 04:13 | Disallow ORDER BY and LIMIT on UPDATE and DELETE of views and WITHOUT ROWID tables. This is a temporary fix for ticket [d4beea1633f1b88f] until a better solution can be found. (check-in: 30aa941fc1 user: drh tags: branch-3.8.9) | |
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2017-07-27
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| 22:16 | Enhance the like optimization so that it works with an ESCAPE clause. (check-in: 2495acf710 user: drh tags: branch-3.8.9) | |
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2017-07-17
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| 19:37 | 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. This is a cherry-pick of [6df18e949d36] with bug fixes. (check-in: cd6ac07848 user: drh tags: branch-3.8.9) | |
| 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) | |
| 00:19 | In the MSVC Makefile, make the DYNAMIC_SHELL option work without USE_STDCALL. (check-in: 25b46a9c7e user: mistachkin tags: trunk) | |
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2015-03-26
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| 23:36 | When syncing a memory mapped file on Windows, flush the mapped view as well. (check-in: df204049b9 user: mistachkin tags: winViewFlush) | |
| 18:24 | Revise Win32 locking test to account for recent log message changes. (check-in: 1bc76339e8 user: mistachkin tags: trunk) | |
| 17:04 | Avoid leaving the malloc subsystem in a partially initialized state if the low-level initialization callback fails. (check-in: 3e872011ff user: drh tags: trunk) | |
| 15:27 | Provide source code line numbers for errors in the Windows VFS generated by the winLogIoerr() routine. (check-in: b5da0d93cd user: drh tags: trunk) | |
| 14:29 | Fix a harmless compiler warning in FTS3. (check-in: 1688f60c08 user: drh tags: trunk) | |
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2015-03-25
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| 18:29 | Change an unreachable branch into an assert(). (check-in: fb076b28c3 user: drh tags: trunk) | |
| 17:35 | Fix the saveCursorPosition() routine in btree.c so that it works correctly for a eState=CURSOR_SKIPNEXT cursor. (check-in: 37866b4d48 user: drh tags: trunk) | |
| 13:06 | Reactivate an older assert() (adding an "|| CORRUPT_DB" term) and add a new assert() in btree.c. (check-in: 1e96520ac1 user: drh tags: trunk) | |
| 12:05 | Add two new assert()s to the sqlite3BtreeDataSize() method. (check-in: 42d1793d65 user: drh tags: trunk) | |
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2015-03-24
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| 22:00 | Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. (check-in: cae3239aa5 user: mistachkin tags: trunk) | |
| 21:54 | Further simplifications to the amalgamation builder. (Closed-Leaf check-in: e826cd7db6 user: drh tags: stdcall) | |
| 21:52 | Update the 'mksqlite3c-noext' tool as well. (check-in: a532256688 user: mistachkin tags: stdcall) | |
| 21:34 | Fix a couple comment typos in a tool script. No changes to code. (check-in: 83421af670 user: mistachkin tags: trunk) | |
| 21:27 | Add SQLITE_STDCALL and SQLITE_CDECL macros on public function definitions. (check-in: 242f09d4d1 user: mistachkin tags: stdcall) | |
| 18:19 | Suppress a compiler warning that was appearing with SQLITE_THREADSAFE=0. (check-in: 436314b572 user: drh tags: trunk) | |
| 16:43 | Prevent a virtual table from being destroyed while it is in use. Also: replace Vdbe.inVtabMethod with sqlite3.nVDestroy. Simplify the EXPLAIN output for P4.pVtab to only show the sqlite3_vtab pointer. (check-in: cbeb9a1aed user: drh tags: trunk) | |
| 14:57 | Add tests to check that attempting to DROP a virtual table while it is use does not cause problems. (Closed-Leaf check-in: 5ee625b198 user: dan tags: nVDestroy) | |
| 14:57 | Simplify the EXPLAIN output of virtual table P4 parameters to only show the pointer to the sqlite3_vtab object and omit the sqlite3_module object. (Closed-Leaf check-in: 85610bbbc6 user: drh tags: nVDestroy) | |
| 14:05 | More defenses against virtual table being deleted out from under a running statement. (check-in: 116c998230 user: drh tags: nVDestroy) | |
| 13:32 | Prevent a virtual table from being destroyed while it is in use. (check-in: fba674c083 user: drh tags: nVDestroy) | |
| 12:51 | Replace the Vdbe.inVtabMethod field with the sqlite3.nVDestroy counter. (check-in: 9faefb9627 user: drh tags: nVDestroy) | |
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2015-03-23
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| 21:32 | Disable loadable extensions in the command-line shell on VxWorks user-space. (check-in: 0ee2d38deb user: drh tags: trunk) | |
| 19:55 | Track total memory usage using a 64-bit integer on 64-bit systems. Add the sqlite3_status64() interface. Make the sqlite3_status() and sqlite3_status64() interfaces atomic using mutexes and verify correct mutex operation using assert() statements. (check-in: 6fc4e79a23 user: drh tags: trunk) | |
| 19:16 | Fix a non-C89 variable declaration that causes problems for MSVC. (Closed-Leaf check-in: 3de085eab2 user: drh tags: status64) | |
| 19:03 | Fix datetype size asserts in btree.c. (check-in: ff4812d0e8 user: drh tags: trunk) | |
| 18:52 | Add the SQLITE_PTRSIZE macro. Use it to help sqlite3_status() run faster on 32-bit systems. (check-in: c742bd6047 user: drh tags: status64) | |
| 17:25 | Add the sqlite3_status64() interface. Make the new interface and the legacy sqlite3_status() both atomic and threadsafe. Check threadsafety using assert()s. (check-in: 1ce8e8fa4b user: drh tags: status64) | |
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2015-03-22
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| 10:23 | Fix a potential NULL pointer dereference following a syntax error. (check-in: 8d27e3e16a user: drh tags: trunk) | |
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2015-03-21
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| 23:38 | Fix harmless compiler warnings with MSVC when assert() and SQLITE_MEMDEBUG are both enabled. (check-in: 9513dbd486 user: mistachkin tags: trunk) | |
| 22:23 | Add more comments to the MSVC batch build tool. (check-in: 03522da378 user: mistachkin tags: trunk) | |
| 22:13 | Increase the debugging level for the debug configuration in the MSVC batch build tool. (check-in: 041484ff91 user: mistachkin tags: trunk) | |
| 20:59 | Do not invoke a C preprocessor macro with an empty argument, as (reportedly) some versions of GCC are unable to deal with that. (check-in: de9da317d4 user: drh tags: trunk) | |
| 20:50 | Add a missing "int" on a constant declaration. (check-in: 235157de51 user: drh tags: trunk) | |
| 19:35 | Avoid a segfault if NULL is passed as the first argument to SQL scalar function fts3_tokenizer(). (check-in: 6d0989695b user: dan tags: trunk) | |
| 16:40 | Change walblock.test to block an external process for 10 seconds, not 5. 5 seconds is not long enough to tell the difference between a blocking lock and a series of retries. (check-in: 717335fcdb user: dan tags: trunk) | |
| 16:36 | Fix the blocking WAL lock so that it works and so that it compiles on a Mac. (check-in: 67d69d21de user: drh tags: trunk) | |
| 12:25 | Remove an unreachable branch from the OP_VCreate opcode (merge accidental fork in trunk). (check-in: 2fbfec62fc user: dan tags: trunk) | |
| 12:22 | Avoid an integer overflow in fts3 causing gcc 4.7.1 with -O2 to behave counter-intuitively (perhaps because the behaviour is undefined). Add an "ifcapable trace" to a test in shell4.test. (check-in: e3e2346496 user: dan tags: trunk) | |
| 12:22 | Remove an unreachable branch from the OP_VCreate opcode. (check-in: 5fca41a381 user: drh tags: trunk) | |
| 10:53 | Add a missing "ifcapable fts3" to a test case in vtab2.test. (check-in: d845b0f690 user: dan tags: trunk) | |
| 03:18 | Correctly detect the error of having a "*" wildcard on a SELECT without a FROM clause on the left-hand side of a recursive CTE. (check-in: b11d1793a0 user: drh tags: trunk) | |
| 02:58 | If a column is both UNIQUE and a PRIMARY KEY, make sure the PRIMARY KEY designation takes precedence. (check-in: d871a79217 user: drh tags: trunk) | |
| 02:25 | Remove superfluous define from the MSVC makefile. (check-in: 880d2513a0 user: mistachkin tags: trunk) | |
| 02:22 | Improvements to the MSVC build. Fix harmless compiler warnings. Enable use of 'stdcall'. (check-in: 737630b873 user: mistachkin tags: trunk) | |
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2015-03-20
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| 16:54 | Provide the BTREE_SEEK_EQ hint to the b-tree layer. (check-in: 3c367004da user: drh tags: trunk) | |
| 16:34 | Fix to get SQLITE_SMALL_STACK working correctly again after the previous change. (Closed-Leaf check-in: 78df0ce13d user: drh tags: seek-eq) | |
| 14:57 | Provide the BTREE_SEEK_EQ hint to the b-tree layer. (check-in: e750830f1e user: drh tags: seek-eq) | |
| 08:43 | Fix a problem causing collation sequence names to be dequoted multiple times under some circumstances. (check-in: eddc05e7bb user: dan tags: trunk) | |
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2015-03-19
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| 20:09 | If a virtual table is created with a malformed UTF8 name in a UTF16 database, make sure that does not cause problems. (check-in: b74cb0a92b user: drh tags: trunk) | |