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100 descendants and 100 ancestors of [307b802e]

2019-05-14
22:07
Merge the latest trunk and wal2 enhancements. check-in: 3deaa6e2 user: drh tags: begin-concurrent-pnu-wal2
21:51
Merge the latest trunk enhancements into begin-concurrent-pnu. check-in: e70878b3 user: drh tags: begin-concurrent-pnu
21:51
Merge the latest trunk enhancements into begin-concurrent. check-in: 5d3a6e18 user: drh tags: begin-concurrent
2019-04-15
15:28
Merge all recent enhancements. check-in: 1cd536ec user: drh tags: begin-concurrent-pnu-wal2
15:07
Merge the latest enhancements from trunk. check-in: 6caaaf21 user: drh tags: begin-concurrent-pnu
14:59
Merge the latest enhancements from trunk. check-in: 7c328e88 user: drh tags: begin-concurrent
2019-03-26
14:04
Use the mutex-free PRNG in this branch, since anybody using this branch is probably interested in high concurrency. check-in: e88fc6d0 user: drh tags: begin-concurrent
13:28
Bring this branch into closer alignment with begin-concurrent. check-in: 6433d366 user: drh tags: begin-concurrent-pnu
12:29
Bring this branch up to date with all the latest enhancements. check-in: 2e964aaf user: drh tags: begin-concurrent-pnu-wal2
12:16
Merge the latest trunk changes. check-in: 51e3e835 user: drh tags: begin-concurrent-pnu
12:07
Merge recent enhancements from trunk. check-in: 774d0d52 user: drh tags: begin-concurrent
2019-03-08
16:06
Merge the latest enhancements and fixes from trunk. check-in: 543ecb30 user: drh tags: begin-concurrent-pnu-wal2
15:30
Merge all the latest enhancements from trunk. check-in: 667cce3d user: drh tags: begin-concurrent-pnu
2019-01-11
15:26
Merge documentation changes from branch begin-concurrent-wal2 into this branch. check-in: cf8a0c71 user: dan tags: begin-concurrent-pnu-wal2
15:22
Merge documentation changes from branch "begin-concurrent" into this branch. Leaf check-in: 41e742bd user: dan tags: begin-concurrent-wal2
15:06
Add new documentation file begin_concurrent.md. check-in: fdbf97e6 user: dan tags: begin-concurrent
15:00
Merge latest begin-concurrent-wal2 changes (documentation only). check-in: d0ab56a3 user: dan tags: begin-concurrent-pnu-wal2
14:59
Merge latest wal2 changes (documentation only) into this branch. check-in: 820ba1cc user: dan tags: begin-concurrent-wal2
2019-01-04
19:39
Fix the experimental sqlite3_wal_info() API so that it works with wal2 mode. check-in: 079daedb user: dan tags: begin-concurrent-pnu-wal2
19:25
Add the "-external" option to the tserver_test.tcl program.. check-in: ae7c5ed1 user: dan tags: begin-concurrent-pnu-wal2
17:12
Update the "tserver" program to report the amount of time spent in COMMIT commands. check-in: cf494b41 user: dan tags: begin-concurrent-pnu-wal2
2019-01-02
19:46
Merge changes from begin-concurrent-wal2. Also modify the unix-excl shm-locks on this branch so that it is not an error to attempt to release an EXCLUSIVE lock that is not held. check-in: 86685679 user: dan tags: begin-concurrent-pnu-wal2
17:08
Reinstate assert() statements in os_unix.c that were removed to allow wal-mode SHARED locks to be taken over more than one locking slot (this branch no longer does that, so the assert() statements can go back in). check-in: fcb7348b user: dan tags: begin-concurrent-wal2
16:30
Merge latest wal2 changes into this branch. check-in: c31eeb3c user: dan tags: begin-concurrent-wal2
16:08
Merge latest trunk changes into this branch. check-in: 5bf212f1 user: dan tags: begin-concurrent
2018-12-29
20:47
Merge latest begin-concurrent changes with this branch. check-in: 1625887c user: dan tags: begin-concurrent-wal2
20:42
Fix a problem causing a corrupt pager-cache if an OOM or IO error was encountered while committing a concurrent transacation. check-in: 48ca30f9 user: dan tags: begin-concurrent
16:34
Increase coverage provided by permutation "coverage-wal" on this branch. check-in: f664f940 user: dan tags: begin-concurrent-wal2
2018-12-27
17:11
Merge latest wal2 changes with this branch. check-in: ea96001e user: dan tags: begin-concurrent-wal2
2018-12-18
19:46
Add the "mutexfree-shmlock" patch to this branch. check-in: c3191fc8 user: dan tags: begin-concurrent-pnu-wal2
18:16
Fix a test script problem in wal2savepoint.test. check-in: e388d029 user: dan tags: begin-concurrent-pnu-wal2
18:01
Merge the wal2 feature into this branch. check-in: a2c618c0 user: dan tags: begin-concurrent-pnu-wal2
17:47
Merge latest begin-concurrent changes into this branch. check-in: a93ca38b user: dan tags: begin-concurrent-pnu
17:32
Merge latest trunk changes into this branch. check-in: b3a163b4 user: dan tags: begin-concurrent-wal2
17:20
Merge latest trunk changes into this branch. check-in: 123cbb33 user: dan tags: begin-concurrent
16:24
Add the ".integrity_check" command to tserver. check-in: fa46fa3b user: dan tags: begin-concurrent-wal2
2018-12-17
18:26
Add wal2 related tests to this branch. check-in: 56458220 user: dan tags: begin-concurrent-wal2
15:22
Merge changes from wal2 branch. check-in: 85f49f0d user: dan tags: begin-concurrent-wal2
2018-12-15
20:59
Merge latest wal2 changes into this branch. check-in: 06bb80ee user: dan tags: begin-concurrent-wal2
2018-12-10
16:53
Merge latest mutexfree-shmlock changes into this branch. Leaf check-in: 186b376e user: dan tags: begin-concurrent-pnu-mutexfree-shmlock
15:58
Merge the latest version of mutexfree-shmlock with this branch. check-in: 6007abfe user: dan tags: begin-concurrent-pnu-mutexfree-shmlock
09:36
Avoid a mutex in-and-out in unixShmBarrier() on this branch. Use __sync_synchronize() instead. check-in: 280d1a72 user: dan tags: begin-concurrent-pnu-mutexfree-shmlock
2018-12-07
20:25
Add multi-threaded performance test program "tserver" to this branch. Fix bugs in the begin-concurrent/wal2 integration revealed by the same. check-in: 7bd3b356 user: dan tags: begin-concurrent-wal2
2018-12-06
20:26
Add the mutexfree-shmlock experiment to the begin-concurrent-pnu branch. check-in: 3aead209 user: dan tags: begin-concurrent-pnu-mutexfree-shmlock
03:13
Merge fixes from trunk. check-in: f2083ee4 user: drh tags: begin-concurrent-pnu
02:08
Merge bug fixes from trunk. check-in: 1e13aaa2 user: drh tags: begin-concurrent
00:08
Merge ALTER TABLE and sqlite3_normalized_sql() bug fixes from trunk. check-in: 3793e5d5 user: drh tags: begin-concurrent-pnu
00:05
Merge ALTER TABLE and sqlite3_normalized_sql() fixes from trunk. check-in: acf10b3f user: drh tags: begin-concurrent
2018-12-05
18:25
Add test cases to wal2concurrent.test. check-in: ef9e7a87 user: dan tags: begin-concurrent-wal2
17:36
Fix a test script problem on this branch. check-in: 692ddc28 user: dan tags: begin-concurrent-wal2
17:20
Fix a problem causing "PRAGMA journal_mode" to report the wrong journal mode (wal instead of wal2) under some circumstances. check-in: bf309107 user: dan tags: begin-concurrent-wal2
16:45
Fixes for snapshots API on this branch. Also ensure that the snapshots API cannot be used with wal2 mode databases (for now anyhow). check-in: d8c2d55f user: dan tags: begin-concurrent-wal2
13:49
Merge enhancements from trunk, especially the sqlite3_normalized_sql() enhancement. check-in: 342c9538 user: drh tags: begin-concurrent-pnu
13:44
Merge enhancements from trunk, especially the enhanced sqlite3_normalized_sql() interface. check-in: 47b73f6b user: drh tags: begin-concurrent
2018-12-04
19:41
First attempt at making features work together. Only the most minimal testing so far. check-in: fd707001 user: dan tags: begin-concurrent-wal2
13:51
Fix a problem with SQLITE_ENABLE_EXPENSIVE_ASSERT builds on this branch. check-in: ddb4a6fb user: dan tags: begin-concurrent
2018-12-03
20:49
Merge the wal2 and begin-concurrent code. Both features work, but not at the same time. check-in: b7281a1c user: dan tags: begin-concurrent-wal2
20:38
Minor change to wal.c on this branch to make it more similar to trunk. check-in: 6a7af3ea user: dan tags: begin-concurrent
19:29
Cherrypick a couple of fixes from begin-concurrent-pnu into this branch. The differences between the two branches are now that this one does not have "PRAGMA noop_update" or the mutex-free PRNG. check-in: a56506b9 user: dan tags: begin-concurrent
18:24
Merge in all changes for release 3.26.0. check-in: 85fd92c7 user: drh tags: begin-concurrent-pnu
18:15
Bring up to date with version 3.26.0. check-in: f0ddb358 user: drh tags: begin-concurrent
2018-11-30
16:26
Merge the mutex-free PRNG change into this branch. check-in: 81e626f4 user: dan tags: begin-concurrent-pnu
2018-11-26
07:34
Merge latest begin-concurrent changes into this branch. check-in: 76608f75 user: dan tags: begin-concurrent-pnu
07:21
Merge latest trunk changes into this branch. check-in: 28a615a2 user: dan tags: begin-concurrent
2018-09-28
21:11
Merge latest begin-concurrent changes into this branch. check-in: 6f3dd980 user: dan tags: begin-concurrent-pnu
20:58
Merge latest trunk into this branch. check-in: 86750c92 user: dan tags: begin-concurrent
2018-07-12
19:39
Merge latest begin-concurrent changes with this branch. check-in: d33527d2 user: dan tags: begin-concurrent-pnu
19:28
Merge latest trunk changes into this branch. check-in: 6a00a34e user: dan tags: begin-concurrent
2018-07-10
15:55
Experimental planner change to avoid a skip-scan if a regular index scan on the same index columns can be done instead. Leaf check-in: 350f29ea user: dan tags: exp-begin-concurrent-pnu
15:48
Merge begin-concurrent changes into this branch. check-in: af17432e user: dan tags: begin-concurrent-pnu
15:45
Merge latest trunk changes into this branch. check-in: e9a3e864 user: dan tags: begin-concurrent
2018-06-06
17:12
Merge the 3.24.0 changes plus a few subsequent enhancements. check-in: be7004a9 user: drh tags: begin-concurrent-pnu
17:03
Merge changes from trunk, including all the 3.24.0 changes plus some later enhancements. check-in: d7299bfe user: drh tags: begin-concurrent
2018-05-15
11:55
Merge latest trunk changes into this branch. check-in: 72f39efa user: dan tags: begin-concurrent-pnu
11:45
Merge latest trunk changes with this branch. check-in: ae86cf60 user: dan tags: begin-concurrent
11:33
Instead of just the flags byte, include the first 8 bytes of the relevant page in an on-commit conflict log message. check-in: 52e443eb user: dan tags: begin-concurrent-pnu
11:28
Instead of just the flags byte, include the first 8 bytes of the relevant page in an on-commit conflict log message. check-in: e7dc03e7 user: dan tags: begin-concurrent
09:03
Include the value of the "flags" byte of the relevant page in the log message emitted when a BEGIN CONCURRENT commit conflict is detected. check-in: de19abb9 user: dan tags: begin-concurrent-pnu
08:51
Include the value of the "flags" byte of the relevant page in the log message emitted when a BEGIN CONCURRENT commit conflict is detected. check-in: fbfa5471 user: dan tags: begin-concurrent
2018-04-26
18:01
Merge latest changes from trunk. Including the "ORDER BY ... LIMIT" optimization. check-in: 83a4c9f0 user: dan tags: begin-concurrent-pnu
17:54
Merge latest changes from trunk. Including the "ORDER BY ... LIMIT" optimization. check-in: d8ae7ba0 user: dan tags: begin-concurrent
2018-04-24
19:22
Update this branch with latest changes from trunk. check-in: 2d8d13e4 user: dan tags: begin-concurrent-pnu
19:21
Merge latest trunk changes into this branch. check-in: b27bd799 user: dan tags: begin-concurrent
2018-04-23
19:30
Disable the OR optimization based on expressions in the ON clause of a LEFT JOIN. This is a temporary measure until we can devise a better fix. Closed-Leaf check-in: 4df5ea93 user: drh tags: begin-concurrent-pnu-tempfix
2018-03-20
14:00
Merge all recent trunk enchancements, and especially the autoincrement write reduction fix. check-in: 25790049 user: drh tags: begin-concurrent-pnu
13:54
Remove debugging puts from concurrrent3.test. check-in: 13b49756 user: drh tags: begin-concurrent
13:52
Merge all recent enhancements from trunk. check-in: b0c2f760 user: drh tags: begin-concurrent
2018-03-02
18:26
Merge latest changes from begin-concurrent into this branch. check-in: 8ade94ba user: dan tags: begin-concurrent-pnu
17:59
Update this branch with recent checkpoint related changes from trunk. check-in: fb6b7938 user: dan tags: begin-concurrent
17:40
Merge latest trunk changes into this branch. check-in: 36801eff user: dan tags: begin-concurrent
2018-02-20
21:00
Add extra code to log details when corruption is detected in the pointer-map structure maintained by the b-tree layer in begin-concurrent transactions. check-in: 57023371 user: dan tags: begin-concurrent-pnu
2018-01-23
01:56
Enhance the PRAGMA noop_update statement so that the behavior persists across reprepare operations. Leaf check-in: c25da6de user: drh tags: noop-update-reprepare
2018-01-04
18:36
Fix problem causing free-list corruption when merging free-lists for two concurrent transactions that have both used page X as an in-memory free-list trunk page, where X lies past the end of the initial database images. check-in: dc0fc2aa user: dan tags: begin-concurrent-pnu
2018-01-02
19:57
Fix a spurious SQLITE_CORRUPT error that could occur within a COMMIT of a concurrent transaction. check-in: 50c8952c user: dan tags: begin-concurrent-pnu
2017-12-12
18:17
Merge latest begin-concurrent changes into this branch. check-in: 3fde0b4d user: dan tags: begin-concurrent-pnu
2017-12-11
14:02
Abort on an invalid paramater to sqlite3BitvecSet(). check-in: 163c8709 user: drh tags: begin-concurrent
2017-11-14
20:06
Merge changes from trunk. This fixes the SQLITE_ENABLE_UPDATE_DELETE_LIMIT functionality so that it works with views and WITHOUT ROWID tables. check-in: d90e5f34 user: dan tags: begin-concurrent
2017-11-06
20:02
Merge latest trunk changes into this branch. check-in: 7f217eda user: dan tags: begin-concurrent
10:04
Allow "BEGIN CONCURRENT" transactions to modify the temp schema. check-in: 0fb6d91c user: dan tags: begin-concurrent
2017-09-22
11:09
Cherrypick [ec37ad6d08] into this branch. With this patch, if SQLITE_SHARED_MAPPING is defined at build-time SQLite will use a single memory mapping for multiple connections to the same database file within a single process. check-in: c7a5880d user: dan tags: begin-concurrent
10:49
Merge latest trunk changes into this branch. check-in: 307b802e user: dan tags: begin-concurrent
00:24
Update the configure script so that it looks for tclsh8.7 ahead of tclsh8.6. check-in: 0a12915b user: drh tags: trunk
2017-09-21
20:43
In the Windows VFS, when trying to open a database file read/write, if it fails check to see if the file exists and is read-only and immediately fall back to a read-only open attempt, rather than running the AV retry loop. check-in: 5d03c738 user: drh tags: trunk
20:03
In the Windows VFS, do not emit an SQLITE_CANTOPEN error log message when falling back from SQLITE_OPEN_READWRITE to SQLITE_OPEN_READONLY. Wait until the open fails completely. check-in: fa3f5bcc user: drh tags: trunk
19:08
Fix harmless UB in the ICU extension. check-in: 68e9a840 user: drh tags: trunk
13:11
Fix a potential use of an uninitialized pointer in RTree following an OOM error. check-in: fd4ec0cd user: drh tags: trunk
10:24
Fix a bug in tool/mksourceid.c: The mksourceid.c program was incorrectly including the "# Remove this line" line of the Fossil-generated "manifest" file in the SHA3 hash. That means that all SQLITE_SOURCE_IDs for trunk versions going back to check-in [30966d56] (2017-08-22) are incorrect. check-in: 65765222 user: drh tags: trunk
01:04
Revert one performance improvement changes from check-in [3b3e32d4cd07] as it was causing a reference to an uninitialized value. check-in: f8b1c64d user: drh tags: trunk
00:49
Fix the rendering of the P4_INTARRAY argument to the OP_IntegrityCk opcode in the output of EXPLAIN. check-in: adc12c83 user: drh tags: trunk
2017-09-20
18:47
Size and performance optimization on sqlite3VdbeMemGrow(). check-in: 4b3f7eac user: drh tags: trunk
18:07
The BLOB returned by sqlite3VdbeMemFromBtree() does not need to be zero-terminated. check-in: e0af9a90 user: drh tags: trunk
17:49
Small size and performance optimization in the bytecode engine. check-in: 3b3e32d4 user: drh tags: trunk
10:47
Improved resolution of large integer values in "CAST(x AS NUMERIC)". check-in: 7f2bd4ff user: drh tags: trunk
09:09
Updates to the "lemon.html" document received from Andy Goth. check-in: 5b2002f3 user: drh tags: trunk
2017-09-18
18:17
Add the sqlite3_mmap_warm() function as an extension in the ext/misc/mmapwarm.c source file. check-in: 1b2de414 user: drh tags: trunk
18:08
Fix a typo in the MSVC makefile. Closed-Leaf check-in: 3235835b user: drh tags: mmap-warm
16:28
Add extension "mmapwarm.c". Provides function sqlite3_mmap_warm(), used to "warm up" the memory mapping used by SQLite in mmap mode to access db file content. check-in: d4a30b91 user: dan tags: mmap-warm
13:16
Minor simplification of error message generation during compound query code generation. check-in: a9447193 user: drh tags: trunk
09:40
The out-of-bounds read on recovery fix of check-in [378afa16381a222a] caused problems for some corner-case error conditions. This alternative fix appears to work better. check-in: 74f399d8 user: drh tags: trunk
00:18
Fix the CSV virtual table extension so that it works when the default character is unsigned. check-in: 42f07775 user: drh tags: trunk
2017-09-17
19:45
Do not make the assumption (as check-in [4da49a95c0f07] incorrectly did) that the ExprList returned by sqlite3ExprListDup() would never be passed into sqlite3ExprListAppend(). Include a new test case that shows this sometimes does happen. check-in: 29227d00 user: drh tags: trunk
2017-09-16
20:58
Simplify the sqlite3VdbeGet() routine. Smaller, faster, and easier to maintain. check-in: 5dbb255a user: drh tags: trunk
2017-09-15
17:40
Remove an unnecessary parameter from selectInnerLoop(). check-in: dd95887f user: drh tags: trunk
15:38
Improved the header-comment documentation on sqlite3ExprCodeExprList(). No changes to code. check-in: 5dc3ecb5 user: drh tags: trunk
15:17
Optimization to the ExprList object to make it slightly smaller and faster. check-in: 4da49a95 user: drh tags: trunk
14:36
Fix a harmless comment typo. No changes to code. check-in: f7f0bf1d user: drh tags: trunk
2017-09-14
21:12
Add another test case for the problem fixed by the previous commit. check-in: 1a7e0b61 user: dan tags: trunk
20:41
Avoid an out-of-bounds read that can be caused by a specially constructed journal file. check-in: cf5bf42c user: dan tags: trunk
02:36
Avoid an out-of-bounds read on a recovery attempt using a carefully crafted database and rollback journal with mismatched page sizes. The test case for this is in TH3. check-in: 378afa16 user: drh tags: trunk
2017-09-13
20:20
Test case update due to PRAGMA integrity_check enhancements in [8525c30c]. No changes to code. check-in: 43c6023b user: drh tags: trunk
12:55
Disable FTS3 matchinfo() tests that assume a littleEndian platform when running on bigEndian. check-in: 87ccdf9c user: drh tags: trunk
00:33
Improvements to PRAGMA integrity_check for better detection of malformed records. Integrity_check now avoids returning SQLITE_CORRUPT on a corrupt record. Also includes microoptimizations that I stumbled over while working on integrity_check. check-in: 8525c30c user: drh tags: trunk
00:13
PRAGMA integrity_check returns SQLITE_OK even if it encounters corruption while scanning indexes. Closed-Leaf check-in: 81f62e99 user: drh tags: improved-integrity-check
00:01
Fix test script comment. No changes to code. check-in: a5a19492 user: mistachkin tags: trunk
2017-09-12
23:58
Remove use of the rand_s() function (added by [139081bef9f63c3e]) as it appears to cause issues with some third-party DLLs. check-in: 3a2793aa user: mistachkin tags: trunk
15:05
Fix an error in [b22cdd67] that can cause a negative infinity to be (rarely) reported as a positive infinity. check-in: 9780b23c user: drh tags: trunk
13:27
Changes to (hopefully) get the build working with recent Intel compilers. check-in: b22cdd67 user: drh tags: trunk
00:24
Make sure all connections are closed in the pragma.test script. Test change only - no changes to code. check-in: d7b7f038 user: drh tags: trunk
2017-09-11
23:46
New test case for ticket [b899b6042f97f52d]. check-in: 9d91ee5e user: drh tags: trunk
20:54
Add support for new operators in virtual tables: !=, IS, IS NOT, IS NULL, and NOTNULL. check-in: 3b7dbe9d user: drh tags: trunk
19:47
Refactor names of constants and functions associated with the auxiliary operators for xBestIndex. Closed-Leaf check-in: 0fb992af user: drh tags: vtab-extra-ops
18:37
Minor adjustments to indentation and spacing for clarity. No changes to code. check-in: d3153abd user: drh tags: vtab-extra-ops
08:53
Add tests to check that affinities work with != operators on virtual table column values. No changes to code. check-in: 8d24e080 user: dan tags: vtab-extra-ops
2017-09-10
01:06
Simplifications to the PRAGMA integrity_check code generator. check-in: 99b9140c user: drh tags: improved-integrity-check
2017-09-09
22:46
Simplification and performance improvement to sqlite3_reset(). check-in: b6425d01 user: drh tags: improved-integrity-check
20:38
Improved detection of malformed records by PRAGMA integrity_check. check-in: 8fa923ca user: drh tags: improved-integrity-check
19:41
Enhance the vtab interface to handle IS, !=, IS NOT, IS NULL and IS NOT NULL constraints. check-in: 34c8e952 user: dan tags: vtab-extra-ops
00:51
Fix harmless compiler warnings seen with MSVC. check-in: faa22e29 user: mistachkin tags: trunk
2017-09-08
17:48
Have the header comment for sqlite3Checkpoint() mention TRUNCATE along with the other three checkpoint types. No changes to code. check-in: e1e3ca7e user: dan tags: trunk
2017-09-07
09:56
Prevent a possible crash when trying to recover using a carefully corrupted \ and truncated rollback journal. (Test case in TH3) check-in: 02828d71 user: drh tags: trunk
2017-09-05
20:16
Update "PRAGMA integrity_check" to detect inconsistencies between a single record's header and body. check-in: 9e393a0e user: dan tags: trunk
17:23
Fix a comment describing the xRowid method of the "series" virtual table. No code changes. check-in: 868cd196 user: dan tags: trunk
16:24
Add experimental API sqlite3rbu_temp_size_limit(). For limiting the amount of temporary disk space RBU uses. check-in: 7fdd6298 user: dan tags: trunk
2017-09-04
19:31
Use the SQLITE_CORRUPT_BKPT return code in a couple more places. check-in: 72d22c22 user: mistachkin tags: trunk
18:44
Add the 'mksourceid' executable to the clean target for MSVC. check-in: 77854694 user: mistachkin tags: trunk
00:33
Proposed fix for ticket [b899b6042f97f5] check-in: c7f9f47b user: drh tags: trunk
00:19
Fix recent test cases in test/indexepxr2.test so that they work even without SQLITE_ENABLE_STAT4 and SQLITE_ENABLE_JSON1. check-in: 03f3cc03 user: drh tags: trunk
2017-09-01
14:50
Add the new sqlite3PagerUnrefPageOne() pager method to deal with the special case of unreferencing page1. check-in: b2e2100c user: drh tags: trunk
12:57
Remove an obsolete optimization in pcache that due to more recent changes was recently making the code a little slower. check-in: c4e7e175 user: drh tags: trunk
12:18
Small size and performance improvement in pcacheManageDirtyList() by not zeroing the PgHdr.pDirtyNext and PgHdr.pDirtyPrev pointers for PgHdr objects that are not on the dirty list. check-in: 919863b1 user: drh tags: trunk
2017-08-31
21:11
Clarify the documentation about "protected" versus "unprotected" sqlite3_value objects. No changes to code. check-in: 4094a341 user: drh tags: trunk
2017-08-30
13:21
Remove unnecessary "__declspec(dllexport)" qualifiers from generated file shell.c. check-in: bcc20be5 user: dan tags: trunk
04:44
Small performance optimization in pcache1. check-in: ffd437da user: drh tags: trunk
2017-08-29
20:21
Faster memory allocation from lookaside by not trying to keep track of the number of outstanding allocations, and rather computing that value only when requested. check-in: a06263f1 user: drh tags: trunk
2017-08-28
17:19
Merge recent enhancements from trunk. check-in: d53108e7 user: drh tags: begin-concurrent
17:00
Add the --enable-update-limit option to the ./configure script. check-in: 64a8ae68 user: drh tags: trunk
16:11
Avoid unnecessary mutexes in the pcache1 implementation in the common case where no auxiliary page cache memory is configured. check-in: 1ba051e3 user: drh tags: trunk
15:51
Remove the rarely-used scratch memory allocator. This makes the code smaller, faster, and easier to maintain. In place of the scratch allocator, add the SQLITE_CONFIG_SMALL_MALLOC configuration option that provides a hint to SQLite that large memory allocations should be avoided. check-in: 54b00024 user: drh tags: trunk
14:33
Backport changes to shell.c into shell.c.in. check-in: 2348045f user: drh tags: trunk
11:12
Fix the ".dump", ".schema", and ".fullschema" commands of the command-line shell so that they work even if PRAGMA empty_result_callbacks is enabled. Fix for ticket [02f0f4c54f281]. check-in: cf0d3715 user: drh tags: trunk
2017-08-25
19:51
Fix a few over-length source code lines. No functional changes. check-in: 1783c54c user: drh tags: trunk
15:43
Size and performance optimization for sqlite3Init(). check-in: 776d9128 user: drh tags: trunk
13:34
Small performance optimization in sqlite3WhereBegin(). check-in: 39f708d1 user: drh tags: trunk
13:02
Convert a branch made unreachable by [59560d07] into an assert(). check-in: 2738b8db user: drh tags: trunk
11:44
Improve the internal mechanism used to keep track of what kind of syncing to do for WAL transaction commits and checkpoint operations. Use the checkpoint-style of syncing to sync the header of a new or restarted WAL file. check-in: e8d23afe user: drh tags: trunk
09:17
Avoid returning duplicate rows in experimental pragmas "pragma_list", "module_list" and "function_list". check-in: b79cc8dc user: dan tags: trunk
01:14
Update the mechanism used to keep track of what kind of syncing to do for WAL transaction commits and checkpoint operations. Use the checkpoint-style of syncing to sync the header of a new or restarted WAL file. Closed-Leaf check-in: bf65dae8 user: drh tags: wal-sync-refactor
2017-08-24
20:54
Fix an incorrect hyperlink in a comment. check-in: 25292b9a user: drh tags: trunk
15:43
Fixes to documentation about SQLITE_OPEN_URI. check-in: 7ec72314 user: drh tags: trunk
13:55
Make sure the sqlite3_result_pointer() interface does not leave a VM register in an inconsistent state. Fix for ticket [7486aa54b968e9b5]. Test cases are in TH3. check-in: d2f9230c user: drh tags: trunk
10:10
Test BEGIN CONCURRENT transactions that consist entirely of read-only statements. check-in: c3fe1f4b user: dan tags: begin-concurrent
2017-08-23
23:09
Performance optimization to pageFindSlot() in the b-tree layer. check-in: 59560d07 user: drh tags: trunk
20:36
Size and performance optimization to dropCell() and freeSpace(). check-in: bc1ec123 user: drh tags: trunk
14:45
Smaller and faster implementation of the fillInCell() routine. check-in: 77074990 user: drh tags: trunk
2017-08-22
21:23
Update documentation to make it clear that SQLITE_SOURCE_ID and sqlite3_sourceid() might changes if the source code is edited. check-in: e69c0c87 user: drh tags: trunk
21:07
Less dramatic changes to the source-id following an edit. Modify the way that the amalgamation is constructed to give it the opportunity to detect changes and modify the source-id. check-in: 564c7340 user: drh tags: trunk
19:54
Modify the SQLITE_SOURCE_ID if the source code has changed in any way since the previous check-in. check-in: 515d6a83 user: drh tags: trunk
19:49
Trying again to get out-of-tree builds to work correctly. Closed-Leaf check-in: a1b3337e user: drh tags: mksourceid
19:43
Attempting to fix the source-id generator so that it works for out-of-tree builds. check-in: 5a037ac2 user: drh tags: mksourceid
19:19
Add the "mksourceid" program to the build process. That program changes the SQLITE_SOURCE_ID if the source tree has been modified in any way. check-in: d4c05e04 user: drh tags: mksourceid
15:21
Fix error tests in seldom-used compile-time branches of the unix backend. check-in: 885c2b44 user: drh tags: trunk
2017-08-21
02:20
Remove an unnecessary conditional. check-in: 56d19f9f user: drh tags: trunk
02:05
Minor optimization to sqlite3VdbeMemSetStr(). check-in: 6538ef7b user: drh tags: trunk
2017-08-19
20:38
Space and size optimization to the printf implementation. check-in: d01d2cff user: drh tags: trunk
2017-08-18
22:30
Another size and performance optimization to readDbPage(). This time we eliminate some unnecessary local variables. check-in: 745bc8de user: drh tags: trunk
21:14
Size and performance optimization the readDbPage() routine in the pager. check-in: ca9e1875 user: drh tags: trunk
16:09
For the unix VFS, avoid an unnecessary stat() system call prior to opening any file in the common case where there are no unused file descriptors. check-in: 3075cfa0 user: drh tags: trunk
14:34
Combine the OP_CreateTable and OP_CreateIndex opcodes of the bytecode engine into a single OP_CreateBtree opcode. This simplifies the implementation and makes the bytecode programs clearer. check-in: eb1202b5 user: drh tags: trunk
08:29
Only use indexes on expressions to optimize ORDER BY and GROUP BY if the collation sequence matches. Possible fix for [e20dd54a]. check-in: 37e19008 user: dan tags: trunk
2017-08-17
20:53
Use the __builtin_clzll() function of gcc to improve the performance and reduce the size of the sqlite3LogEst() routine. check-in: a42a438c user: drh tags: trunk
19:23
Small optimization in the Expr tree walker. check-in: 264a5e1b user: drh tags: trunk