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200 most recent check-ins using file test/memsubsys2.test version 3a1c1a9de4
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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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2017-07-21
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| 04:08 | Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f49224] which was in turn inspired by [72de49f2]. (Leaf check-in: 5a3022e081 user: drh tags: branch-3.8.10) | |
| 03:23 | Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This is a cherry-pick of [f0f492245e95], which is in turn inspired by check-in [72de49f2]. (Leaf check-in: a66a5b397b user: drh tags: branch-3.8.6) | |
| 03:09 | Add new interfaces sqlite3_result_pointer(), and sqlite3_value_pointer() and use them to transfer the eponymous FTS3 column pointer to the snippet() and offsets() routines. This changes is inspired by check-in [72de49f2] but is new implementation, not a cherry-pick. (Leaf check-in: f0f492245e user: drh tags: branch-3.7.11) | |
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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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2017-06-06
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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) | |
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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) | |
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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) | |
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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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2016-08-10
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| 03:35 | Try to make pcache1TruncateUnsafe() run faster for the case where iLimit is very close to iMaxKey. (Leaf check-in: 9ab53605d5 user: drh tags: debug) | |
| 02:54 | Remove all timers and other debugging logs except for the one timer on pcache1TruncateUnsafe(). (check-in: 5980e625db user: drh tags: debug) | |
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2016-08-09
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| 11:44 | Add another timer on pcache1TruncateUnsafe(). (check-in: 42ce53f648 user: drh tags: debug) | |
| 11:23 | Add a debug timer to pcache1Truncate(). Change the formatting of some other messages to make them easier to read. (check-in: 7d0af4b53c user: dan tags: debug) | |
| 01:21 | Refocus the timer on the pager_end_transaction() routine. (check-in: 9d4eb6e475 user: drh tags: debug) | |
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2016-08-04
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| 14:08 | Add extra logging calls to this branch. (check-in: 491f1ef36e user: dan tags: debug) | |
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2016-07-30
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| 03:33 | A new version of the slow mutex log that uses gettimeofday() instead of trying to access the hardware timer. (check-in: 92b9fead35 user: drh tags: debug) | |
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2016-07-29
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| 16:32 | Turn memory status off by default. (check-in: ea3c7162dc user: drh tags: debug) | |
| 14:31 | Enhance a debugging log message to better identify a mutex. (check-in: e60cb6d885 user: dan tags: debug) | |
| 14:23 | Use __sync_synchronous(), when available, instead of a mutex when a memory barrier is needed. (check-in: 7d4562e9d5 user: drh tags: debug) | |
| 14:10 | Add calls to sqlite3_log() when sqlite3_mutex_enter() takes more than 100,000 CPU cycles. (check-in: 33c7ef7aca user: drh tags: debug) | |
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2016-07-16
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| 11:47 | Temporarily add extra sqlite3_log() calls to this version to help with debugging a performance problem. (check-in: 613c1ceaf4 user: dan tags: debug) | |
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2016-07-14
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| 20:19 | Experimental patch restore the slight bias in btree-balancing immediately after the change to reduces the amount of memcpy() work done by balancing. (Leaf check-in: 46bd9533c0 user: drh tags: btree-balance-bias) | |
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2015-08-13
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| 21:43 | Convert the hint expression of the CursorHint opcode into a string for display by EXPLAIN. (Leaf check-in: 12640cb222 user: drh tags: cursor-hints-displayP4) | |
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2015-08-11
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| 18:18 | Fix the retry mechanism on file locks. (check-in: 600df309fc user: drh tags: apple-osx) | |
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2015-07-25
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| 03:10 | Disable the page cache bulk allocation for the shrink.test and wal.test modules. (check-in: 3418f1f165 user: drh tags: trunk) | |
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2015-07-24
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| 23:28 | Fix the zeroblob.test script so that it works even on builds where the SQLITE_MAX_LENGTH has been raised to 2147483645. (check-in: db12914981 user: drh tags: trunk) | |
| 22:21 | Merge test improvements and minor fixes from trunk. (check-in: 0298a9a780 user: drh tags: sessions) | |
| 21:19 | Enable the RBU extension to compile cleanly on Windows using MSVC. (check-in: cca79fdc3d user: mistachkin tags: trunk) | |
| 20:43 | For Windows CE, a different header is required for the byteswap intrinsics. (check-in: 2d572b8cdc user: mistachkin tags: trunk) | |
| 20:34 | Fix warnings in fts5 code. (check-in: bd4f156d07 user: dan tags: trunk) | |
| 19:56 | Fix the pragma2.test module so that it works with SQLITE_ENABLE_MEMORY_MANAGEMENT. (check-in: de281a4fac user: drh tags: trunk) | |
| 18:58 | Allow the RBU module to read data from appropriately named SQL views created within the RBU database. (check-in: 45c6a760ca user: dan tags: trunk) | |
| 18:22 | Fix a test script bug introduced by [562687d9]. (check-in: a343745d99 user: dan tags: trunk) | |
| 17:36 | Add the sqlite3_bind_zeroblob64() API. (check-in: 1997ee548b user: dan tags: trunk) | |
| 17:26 | New makefile target "fastfuzztest" runs the same tests as "fuzztest" but with a 100M memory size limit. This more than doubles the speed. The original unlimited "fuzztest" is still run on a "fulltest". (check-in: cfeb1b1c29 user: drh tags: trunk) | |
| 17:14 | Fix compiler warnings. Get the new sqlite3_result_zeroblob64() working on loadable extensions. (check-in: f8991e6f72 user: drh tags: trunk) | |
| 16:24 | Add the sqlite3_result_zeroblob64() API. Use it in the SQL zeroblob() function. (check-in: c6445b9fb4 user: dan tags: trunk) | |
| 15:49 | More robust handling of zeroblob() with oversized arguments. Fix fuzzcheck so that it can be run with limited heap memory. (check-in: 4e3e516a42 user: drh tags: trunk) | |
| 14:17 | Modify a few test scripts to avoid leaving the sqlite3Config structure in a non-default state. (check-in: 562687d9f5 user: dan tags: trunk) | |
| 00:02 | Update RBU description comment in the header file. No changes to code. (check-in: 119883a21b user: mistachkin tags: trunk) | |
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2015-07-23
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| 21:59 | Merge all changes in the latest 3.8.11 beta into the sessions branch. Changes include the rename of OTA to RBU, the WITHOUT-ROWID-OR-Skipscan fix, and improvements to pcache1. (check-in: 7f0ee77062 user: drh tags: sessions) | |
| 20:44 | Change the name of the OTA extension to RBU: Resumable Bulk Update. (check-in: 017c5019e1 user: drh tags: trunk) | |
| 17:16 | When SQLITE_OMIT_LOOKASIDE is set, do not allocate any lookaside memory since it will never be used. (check-in: 0ffd499f23 user: drh tags: trunk) | |
| 16:39 | The sqlite3ExprCodeGetColumn() is not guaranteed to put the result in the register requested. Fix the skip-scan code generator for WITHOUT ROWID tables so that it always checks the register and copies the result if it lands in the wrong register. Fix for ticket [8fd39115d8f46ece70e7d4b3]. (check-in: 793e206f90 user: drh tags: trunk) | |
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2015-07-21
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| 19:22 | Fix harmless compiler warning in MSVC 2015. (check-in: 01c8b9ccfa user: mistachkin tags: trunk) | |
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2015-07-19
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| 19:53 | Cleanup the 'config.h' file in the appropriate distclean targets. (check-in: e0a9978077 user: mistachkin tags: trunk) | |
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2015-07-17
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| 12:42 | More adjustments to the malloc5.test module so that it works correctly with the new pcache1 bulk allocation. (check-in: 2a7b3a440f user: drh tags: trunk) | |
| 01:16 | Avoid a harmless compiler warning. (check-in: 2288842b8f user: drh tags: trunk) | |
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2015-07-16
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| 20:24 | Merge trunk changes, including fixes for compiler warnings in fts5 code, with this branch. (check-in: 7190d79ba4 user: dan tags: fts5-btree-index) | |
| 20:17 | Fix compiler warnings in fts5 code. (check-in: e9bf275cd9 user: dan tags: trunk) | |
| 18:37 | Fix harmless compiler warnings. (check-in: 9a592cf91c user: drh tags: trunk) | |
| 18:18 | Defer the bulk pcache1 memory allocation until the first page allocation request. Limit the size of the pcache1 bulk allocation to the cache_size setting. Deallocate the bulk allocation on a sqlite3_db_release_memory() request, if the bulk allocation is completely unused. (check-in: b79a4affe4 user: drh tags: trunk) | |
| 17:29 | Fix compilation issues with SQLITE_OMIT_COMPOUND_SELECT defined. (check-in: 9c39d46445 user: mistachkin tags: trunk) | |
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2015-07-15
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| 23:15 | Enable memory-mapped I/O on FreeBSD and DragonFly. (check-in: 2cdd647951 user: drh tags: trunk) | |
| 21:00 | Make the debugging line numbers in the amalgamation more accurate. (check-in: 3b34e95ca8 user: mistachkin tags: trunk) | |
| 19:46 | Use a WITHOUT ROWID table to index fts5 btree leaves. This is faster to query and only slightly larger than storing btree nodes within an intkey table. (check-in: 862418e350 user: dan tags: fts5-btree-index) | |
| 18:35 | Fix some harmless compiler warnings. (check-in: 110cd84f5e user: drh tags: trunk) | |
| 18:04 | Attempt to fix harmless warnings generated by GCC and Clang runtime analyzers. (check-in: b522c95ddc user: drh tags: trunk) | |
| 13:56 | Fix the fuzz3.test script so that it works with the new bulk pagecache allocation feature. (check-in: 829a2dbaf1 user: drh tags: trunk) | |
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2015-07-14
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| 22:43 | Amplify the comment on renderLogMsg() that explains the problems associated with calling sqlite3_log() from deep within the memory allocator. (check-in: a73d7128fb user: drh tags: trunk) | |
| 21:56 | Further refine FTS5 cleanup in Makefiles. (check-in: b53a95063c user: mistachkin tags: trunk) | |
| 21:56 | Skip trying to include 'intrin.h' when compiling for WinCE with MSVC. (check-in: 6db90ca2b4 user: mistachkin tags: trunk) | |
| 17:18 | Fix some harmless compiler warnings. (check-in: 3de030c904 user: mistachkin tags: trunk) | |
| 15:39 | Merge trunk changes, including the addition of FTS5 and pcache1 performance enhancements. (check-in: db4cbefb86 user: drh tags: sessions) | |
| 14:48 | Always invoke the profile callback even if the statement does not run to completion. (check-in: 202479aa0a user: drh tags: trunk) | |
| 00:36 | Refine cleaning of FTS5 files by Makefile targets. (check-in: e548d77b3c user: mistachkin tags: trunk) | |
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2015-07-13
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| 23:55 | Fix the origination date on the loadfts.c utility program. (check-in: 5c76c062c0 user: drh tags: trunk) | |
| 18:01 | Fix the header comment on the loadfts.c utility program. (check-in: 955ad4ae19 user: drh tags: trunk) | |
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2015-07-10
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| 17:55 | Fix inconsistencies in formatting of fts5 docs. (check-in: 5fb4c77163 user: dan tags: trunk) | |
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2015-07-09
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| 20:46 | Improve the performance of docid merges in fts5. (check-in: b2de77a01c user: dan tags: trunk) | |
| 19:02 | Reduce the number of calls to malloc() made by fts5. (check-in: 898618ccf6 user: dan tags: trunk) | |
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2015-07-08
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| 17:59 | Fix two problems that could cause fts3 auxiliary functions to occasionally misbehave if used with match expressions that contain both OR and NEAR. (check-in: 372c1db247 user: dan tags: trunk) | |
| 16:22 | Enhance the pcache1 page cache so that it tries to allocate a block of SQLITE_DEFAULT_PCACHE_INITSZ pages from malloc() on startup, and uses those preallocated pages when possible rather than going to malloc() for each individual page. About a 5% performance increase for some workloads. (check-in: 5348ffc3fd user: drh tags: trunk) | |
| 14:13 | Comment fix. No changes to code. (Closed-Leaf check-in: c1e2ed0ef4 user: drh tags: pcache-bulk-local) | |
| 13:40 | Do not do the bulk pcache1 allocations if SQLITE_CONFIG_PAGECACHE specifies a global page cache buffer. (check-in: 75d98dae67 user: drh tags: pcache-bulk-local) | |
| 12:25 | Early detection of file corruption in a debugging routine, before the invalid data can cause problems. (check-in: b27a47fef9 user: drh tags: trunk) | |
| 01:22 | Avoid left-shifting bits into the sign of a signed integer, as such behavior is technically undefined. (check-in: 9417b4021b user: drh tags: pcache-bulk-local) | |
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2015-07-07
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| 21:14 | Add a compile-time constant for configuring the default pagecache setup. (check-in: ad5fdfbac8 user: drh tags: pcache-bulk-local) | |
| 19:35 | Merge the Fts5MultiSegIter and Fts5IndexIter objects. (check-in: 6ace73541a user: dan tags: trunk) | |
| 19:07 | Add a test case to verify that "PRAGMA data_version" works as expected when an OTA client writes to the database. (check-in: 6441f2dc9e user: dan tags: trunk) | |
| 15:14 | No need to test sqlite3GlobalConfig.bCoreMutex when SQLITE_THREADSAFE==0. (check-in: 26db0fee06 user: drh tags: pcache-bulk-local) | |
| 14:06 | Simplify the page recycling condition in pcache1. Fix test cases to work with the latest changes. (check-in: 5b60df5503 user: drh tags: pcache-bulk-local) | |
| 08:29 | Further optimizations for fts5 b-tree seeks. (check-in: f37899686c user: dan tags: trunk) | |
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2015-07-06
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| 20:57 | A unified cache is now only used for SQLITE_ENABLE_MEMORY_MANAGEMENT, or if SQLITE_CONFIG_PAGECACHE defines a shared start-time page cache buffer and the application is single-threaded. (check-in: d5ff1d6905 user: drh tags: pcache-bulk-local) | |
| 20:27 | Speed up seek operations on fts5 b-tree structures. (check-in: 7b7da1eb43 user: dan tags: trunk) | |
| 18:54 | Enhance separate pcache1 to allocate a block of pages from heap on startup, if possible, for a 5.2% performance improvement. (check-in: aa7341c873 user: drh tags: pcache-bulk-local) | |
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2015-07-05
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| 22:15 | Do not allow recursive CTEs that use aggregate queries in the recursive part. (check-in: 6d2999afbc user: drh tags: trunk) | |
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2015-07-04
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| 18:44 | Optimize seek operations on fts5 b-trees. (check-in: 8cf02090ce user: dan tags: trunk) | |
| 18:15 | Preserve the number of requested PAGECACHE pages even if the memory pointer or size is zero. Enhance the pcache1.c header comment to explain the memory layout of a page cache line. (check-in: dacb2a615c user: drh tags: trunk) | |
| 15:35 | Fix a problem in the fts5 integrity-check. (check-in: 4e473559c9 user: dan tags: trunk) | |
| 11:14 | Do not preserve the btreeInitPage() results in PRAGMA integrity_check if there were cell sizing errors because PRAGMA cell_size_check was turned off during the btreeInitPage() call. (check-in: 743bf1f184 user: drh tags: trunk) | |
| 00:04 | Sync up Makefile clean targets for FTS5. (check-in: 43ead44ef6 user: mistachkin tags: trunk) | |
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2015-07-03
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| 23:29 | Correction to check-in [1025873fdf], tighten up the number of static test mutexes. (check-in: 4e515897af user: mistachkin tags: trunk) | |
| 23:12 | Update clean target in MSVC makefile. (check-in: e6c03e7201 user: mistachkin tags: trunk) | |
| 23:11 | Enhance mutex testing to include APP and VFS static mutexes. (check-in: 1025873fdf user: mistachkin tags: trunk) | |
| 21:38 | Add static mutexes for use by the built-in / third-party VFSs and use the built-in VFS mutex where appropriate. (check-in: b202e2a1d7 user: mistachkin tags: trunk) | |
| 20:47 | Rework the Fts5MultiSegIter structure a bit to make it more efficient. (check-in: 0778825d0e user: dan tags: trunk) | |
| 19:13 | Speed up eof checks on fts5 cursors. (check-in: 3df4af5d8c user: dan tags: trunk) | |
| 17:54 | Enable use of the __builtin_bswap32() only with GCC 4.3 and higher. (check-in: 030f60a7ba user: mistachkin tags: trunk) | |
| 17:14 | Avoid freeing the array of instance matches each time the fts5 xNext() method is called. (check-in: b9b0c1e50d user: dan tags: trunk) | |
| 14:34 | New command-line options for speedtest1: --multithread, --nomemstat, --serialized, and --singlethread (check-in: 2b7567229e user: drh tags: trunk) | |
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2015-07-02
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| 20:12 | Copy fts5.h into the build directory as part of building fts5.c. Also remove code to edit fts5parse.c from various Makefiles and add it to mkfts5c.tcl. (check-in: 4d8f03dc7b user: dan tags: trunk) | |
| 19:47 | When doing coverage analysis of a btree page for pragma integrity_check, make the first entry (that covers the header, cell index, and gap) implied, for a performance boost and size reduction. (check-in: e53d497c2d user: drh tags: trunk) | |
| 18:52 | Minor change to mkfts5c.tcl so that fts5.c can be used according to the instructions in loadext.html. (check-in: edbcccd349 user: dan tags: trunk) | |
| 18:47 | Merge in the latest enhancements from trunks, especially the use of _byteswap_ulong() and similar intrinsics on MSVC. (check-in: 85ca4409bd user: drh tags: sessions) | |
| 18:16 | Add fts5_source_id() SQL function, similar to sqlite_source_id(). (check-in: ec2573487c user: dan tags: trunk) | |
| 16:52 | Fix harmless compiler warnings and one macro VVA_ONLY macro usage issue. (check-in: bcc8a75509 user: mistachkin tags: trunk) | |
| 16:50 | Simplify FTS5 handling in the MSVC makefile. (check-in: f022e04343 user: mistachkin tags: trunk) | |
| 16:29 | Fix a (harmless) shadowed local variable definition in the integrity_check logic. (check-in: 3a26a919fd user: drh tags: trunk) | |
| 16:17 | Smaller and faster PRAGMA integrity_check that also does a better job of detecting errors. Some output text describing discovered file corruption has changed for clarity. (check-in: 251a7590ff user: drh tags: trunk) | |
| 15:52 | Remove "#ifdef SQLITE_ENABLE_FTS5" from individual fts5 source files. Add a single "#if !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_FTS5)" to fts5.c. (check-in: 7819002ed8 user: dan tags: trunk) | |
| 01:38 | Add the --shrink-memory option to the speedtest1 test program. (check-in: c9ddbd8899 user: drh tags: trunk) | |
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2015-07-01
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| 19:59 | Avoid create a stack from in sqlite3BackupUpdate() in the common case where the first argument is NULL. (check-in: 2a897b9e94 user: drh tags: trunk) | |
| 17:53 | Simplification of PRAGMA integrity_check logic. Make sure that the depth of the right-most subtree is correct. Size reduction and performance increase, with no change in output. (check-in: 550705fcb6 user: drh tags: trunk) | |
| 17:13 | Rework the PRAGMA integrity_check logic. Simplify the checkTreePage() routine and clean up the error messages generated. (Closed-Leaf check-in: 1c52212369 user: drh tags: integrity-check-refactor) | |
| 04:08 | Fix some harmless compiler warnings. (check-in: 307195c870 user: drh tags: trunk) | |
| 01:31 | Change integrity_check to analyze the cells of a page in reverse order, as this will tend to insert the cells into the analysis heap in increasing order by address, which is the most efficient way to load a min-heap. (check-in: 59ad912c4c user: drh tags: trunk) | |
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2015-06-30
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| 17:28 | Make use of the _byteswap_ushort() and _byteswap_ulong() compiler intrinsics for MSVC, when available. (check-in: fe144dd73f user: mistachkin tags: trunk) | |
| 16:29 | Merge all the latest enhancements from trunk. This merge include FTS5 and a number of notable performance enhancements. (check-in: 39936b33b0 user: drh tags: sessions) | |
| 15:10 | Make use of built-in bswap32() and bswap16() functions in GCC/Clang for a significant performance improvement there. (check-in: 8bfcda3d10 user: drh tags: trunk) | |
| 14:01 | Only use __builtin_bswap16() with GCC 4.8 and later. (Closed-Leaf check-in: ce8177e3e6 user: drh tags: bswap-functions) | |
| 13:28 | Remove the use of htonl() in the previous check-in due to linkage issues. Add the get2byteAligned() macro and use it for access to the cell offsets on btree pages for about a 1% performance gain. (check-in: 79ff36b717 user: drh tags: bswap-functions) | |
| 12:47 | Make use of htonl() and __builtin_bswap32() for faster implementations of sqlite3Get4byte() and sqlite3Put4byte(). (check-in: bc27ebd7f7 user: drh tags: bswap-functions) | |
| 11:07 | Change an unreachable branch into an assert() in sqlite3PagerAcquire() and optimize sqlite3PcacheOpenSavepoint() by factoring out rarely used code into a subroutine. (check-in: b406b20ecd user: drh tags: trunk) | |
| 03:57 | Optimization to the sqlite3PcacheFetch() logic. (check-in: d9a0481ce0 user: drh tags: trunk) | |
| 03:34 | Put all variable declarations for sqlite3PagerWrite() at the beginning of the block. Syntax only - no logic changes. (check-in: a0fa6b3ba5 user: drh tags: trunk) | |
| 03:18 | Implement sqlite3Strlen30() using strlen() from the C library. (check-in: 8001aa52bd user: drh tags: trunk) | |
| 03:13 | Change sqlite3ApiExit() so that its first argument is never NULL. (check-in: 791b706ec6 user: drh tags: trunk) | |
| 02:47 | Put BtCursor objects on a singly-linked list instead of a doubly-linked list. Add the BTCF_Multiple flag. Only invoke saveAllCursors() when using a cursor that has BTCF_Multiple set. (check-in: 429ccef2b3 user: drh tags: trunk) | |
| 01:25 | Convert several 5-year-old and older NEVER() macros into assert(). (check-in: ed54c14ea8 user: drh tags: trunk) | |
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2015-06-29
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| 23:01 | From sqlite3BtreeInsert(), bypass the btreeMoveto() routine for table inserts and go directly to sqlite3BtreeMovetoUnpacked(). (check-in: 53fe685d56 user: drh tags: trunk) | |
| 20:53 | Add a bypass path in sqlite3PagerWrite() for pages with the PGHDR_WRITEABLE bit set, for about a 1% performance increase. (check-in: ba425a6abb user: drh tags: trunk) | |
| 19:08 | Combine subjRequiresPage() and subjournalPage() into a single subjournalPageIfRequired() routine. (check-in: 3b65eb56c4 user: drh tags: trunk) | |
| 18:29 | Add the PGHDR_WRITEABLE bit for PgHdr.flags which is used to distinguish between pages that are on the dirty list and pages that are safe to modify. (check-in: 7c4ef7b7c8 user: drh tags: trunk) | |
| 18:14 | Fix over-length source code lines in pager.c. (check-in: 14de3d3926 user: drh tags: trunk) | |
| 15:41 | Fix minor problems in the ota demo application. (check-in: 6aaaec6e63 user: dan tags: trunk) | |
| 14:11 | Simplifications and performance improvement in pager_write(). (check-in: ab7aeeead3 user: drh tags: trunk) | |
| 04:21 | Add the new PGHDR_CLEAN bit to PgHdr.flags in pcache.c. This bit is always the opposite of PGHDR_DIRTY. Use the extra bit to avoid a comparison for a small performance boost. (check-in: 8619fc346d user: drh tags: trunk) | |
| 03:28 | Very small size reduction and performance increase in sqlite3BitvecTest(). (check-in: 9b3a7281bd user: drh tags: trunk) | |
| 00:52 | Move an assert() and testcase() into their correct position within getAndInitPage(). (check-in: 18115164e1 user: drh tags: trunk) | |
| 00:21 | Use tail recursion in pcache1Unpin() to get a small size reduction and speed improvement. (check-in: fde70472ae user: drh tags: trunk) | |
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2015-06-28
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| 17:33 | Comment typo fix and minor cleanup in the pager. No logic changes. (check-in: 94ef170128 user: drh tags: trunk) | |
| 02:58 | Avoid unnecessary calls to sqlite3VdbeSerialTypeLen() for integer serial types, for a small size reduction and a speed increase. (check-in: 9cd30d33b1 user: drh tags: trunk) | |
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2015-06-27
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| 23:55 | Make greater use of BtCursor.curIntKey. (check-in: 63998471d0 user: drh tags: trunk) | |
| 22:49 | Add the BtCursor.curIntKey field and use it for a small size reduction and performance boost. (check-in: 4a17df139a user: drh tags: trunk) | |
| 20:55 | Enhancements to the previous check-in to make it a little smaller and faster. (check-in: 291d9e0c32 user: drh tags: trunk) | |
| 19:45 | Performance improvements in moveToChild() by shifting some work over to getAndInitPage(). Net improvement is about 800K cycles at cost of 30 bytes. (check-in: 1956a4ce8e user: drh tags: trunk) | |
| 15:51 | Manually inline the call from getAndInitPage() to btreeGetPage() for a savings of 2.5 million cycles at a cost of less than 100 bytes. (check-in: 7f65b96b40 user: drh tags: trunk) | |
| 14:59 | Add releasePageNotNull() as an alternative to releasePage() when the argument is guaranteed to be non-NULL, and use it for a small performance gain. (check-in: 9383a68870 user: drh tags: trunk) | |
| 03:58 | Add the Mempage.aDataOfst field and use it in sqlite3BtreeMovetoUnpacked() for about a 2 million cycle gain. (check-in: bee94dc351 user: drh tags: trunk) | |
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2015-06-26
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| 20:45 | Treat compilation of FTS5 for the loadable extension specially with MSVC. (check-in: 7c610276bb user: mistachkin tags: trunk) | |
| 20:25 | Merge fts5 branch into trunk. (check-in: d27d9965b5 user: dan tags: trunk) | |
| 20:14 | Merge latest trunk with this branch. (Closed-Leaf check-in: 8671b9e137 user: dan tags: fts5) | |
| 20:13 | Remove unnecessary lines from fts3.h and main.mk. (check-in: c1b268ced3 user: dan tags: fts5) | |
| 20:08 | Fix a segfault that could follow an OOM error in fts5. (check-in: 713239b8cf user: dan tags: fts5) | |
| 19:43 | Small size reduction and performance increase on the OP_IdxInsert opcode. (check-in: b6bedc2e9c user: drh tags: trunk) | |
| 19:33 | Merge latest trunk changes with this branch. (check-in: 2a1af0f29e user: dan tags: fts5) | |
| 18:50 | Fix some cases in the fts5 code where a corrupt database could cause a buffer overread. (check-in: 360c57bbb8 user: dan tags: fts5) | |
| 18:47 | Further optimization of SQL function dispatch. Improvements to opcode documentation. (check-in: eaddbf296a user: drh tags: trunk) | |
| 18:16 | Cache the sqlite3_context structure in the P4 operand of VDBE programs for faster SQL function dispatch. (check-in: 2abc44eb3b user: drh tags: trunk) | |
| 17:10 | Merge changes to get FTS5 working with MSVC. (check-in: 954231d29d user: mistachkin tags: fts5) | |
| 16:55 | Merge upstream changes. Get the test fixture working with FTS5. Fix compiler warnings. (Closed-Leaf check-in: bfcd16089c user: mistachkin tags: fts5Msvc) | |
| 16:42 | Remove fts5 initialization code from core file main.c. (check-in: c91a93b343 user: dan tags: fts5) | |
| 16:17 | Add FTS5 DLL target for MSVC. (check-in: be85b82499 user: mistachkin tags: fts5Msvc) | |
| 13:31 | Cache the most recently sqlite3_context used by OP_Function and reuse it on subsequent calls, if appropriate. This gives a noticable performance boost. (Closed-Leaf check-in: 2f31bdd1b2 user: drh tags: function-ctx-cache) | |
| 04:34 | Initial changes to get FTS5 working with MSVC. (check-in: ef2052f81e user: mistachkin tags: fts5Msvc) | |
| 03:12 | Fix harmless compiler warning in assert statement. (check-in: 7097716cae user: mistachkin tags: trunk) | |
| 02:41 | Simplify the pcache by not keeping continuous track of page 1 but instead just loading page 1 on the rare occasions when it is actually needed. (check-in: 015302f15e user: drh tags: trunk) | |
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2015-06-25
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| 23:52 | Optimization to sqlite3_value_bytes() for the common case that does not require a data transformation. (check-in: 8d79f3a144 user: drh tags: trunk) | |
| 20:36 | Fix Makefile.in to account for recent changes. Update fts5 test scripts so that they do not run if SQLITE_ENABLE_FTS5 is not defined. (check-in: 3175220747 user: dan tags: fts5) | |
| 20:16 | Merge latest trunk changes into this branch. (check-in: fcd8f7ce60 user: dan tags: fts5) | |
| 20:10 | Add a script to combine all fts5 code into a single file - fts5.c - that can be used to build an SQLite loadable extension. (check-in: 46e86b0637 user: dan tags: fts5) | |
| 19:53 | Simplifications and performance improvements in insertCell(). (check-in: 7d02e6c992 user: drh tags: trunk) | |
| 18:36 | More simplifications and performance improvements to cell allocation logic associated with allocateSpace(). (check-in: 78da0f69cb user: drh tags: trunk) | |
| 16:01 | Reorder the terms of a conditional for a small performance gain. (check-in: d67b0ed105 user: drh tags: trunk) | |
| 15:44 | Merge all the latest enhancements from trunk. (check-in: 924f471291 user: drh tags: sessions) | |
| 15:21 | Remove a NEVER() that is in fact reachable. (check-in: f824e66b0d user: drh tags: trunk) | |
| 15:04 | Minor optimization to allocateSpace(). (check-in: d007bc339b user: drh tags: trunk) | |
| 13:03 | Enhance the Btree object to remember whether or not it is holding an Incrblob cursor. Use this knowledge to improve performance in the common case where it does not. (check-in: 476b11563c user: drh tags: trunk) | |
| 02:26 | Remove a line of code that doesn't do any useful work. (check-in: 3ee888beb9 user: drh tags: trunk) | |
| 02:25 | Increase the default timeout on fuzzcheck to 120 seconds - sufficient for running under valgrind on a slow workstation. (check-in: fad0eacc64 user: drh tags: trunk) | |
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2015-06-24
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| 23:44 | Add the --timeout option to fuzzcheck. (check-in: a8f4f7fa99 user: drh tags: trunk) | |
| 23:17 | Fix fuzzcheck so that it works with SQLITE_OMIT_PROGRESS_CALLBACK. (check-in: 7a9c4eb30e user: drh tags: trunk) | |
| 18:22 | Add "ON CONFLICT" handling to the spellfix module. (check-in: 07937a81c6 user: drh tags: trunk) | |
| 17:21 | Add "ON CONFLICT" handling to the spellfix module. (Closed-Leaf check-in: 1d04def785 user: dan tags: spellfix-constraints) | |
| 14:45 | In the fuzzcheck test program, use the progress handler to limit the number of VDBE cycles to avoid getting stuck if the SQL under test contains an infinite CTE loop. Add the --limit-vdbe command-line option. (check-in: fbf9c4325e user: drh tags: trunk) | |
| 14:36 | Fix the progress handler so that it does not fire too soon during an sqlite3_step() call other than the first. (check-in: b41ef5d6db user: drh tags: trunk) | |