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100 check-ins occurring around 605907e73a.
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2017-09-01
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| 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) | |
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2017-08-31
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| 21:11 | Clarify the documentation about "protected" versus "unprotected" sqlite3_value objects. No changes to code. (check-in: 4094a341 user: drh tags: trunk) | |
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2017-08-30
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| 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) | |
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2017-08-29
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| 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) | |
| 17:52 | Add a Tcl script to run the performance tests described in README-server-edition.html. (check-in: 1b3df8ff user: dan tags: server-process-edition) | |
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2017-08-28
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| 17:32 | Add the --enable-update-limit option to the ./configure script. (Leaf check-in: f545db6c user: drh tags: begin-concurrent-branch-3.19) | |
| 17:30 | Avoid unnecessary mutexes in the pcache1 implementation in the common case where no auxiliary page cache memory is configured. (check-in: 5cd9ff87 user: drh tags: begin-concurrent-branch-3.19) | |
| 17:26 | 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: cc440400 user: drh tags: begin-concurrent-branch-3.19) | |
| 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) | |
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2017-08-27
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| 10:55 | Instrumentation and changes in an effort to reduce thread contention. (Leaf check-in: c93298d5 user: drh tags: reduced-thread-contention) | |
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2017-08-25
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| 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) | |
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2017-08-24
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| 20:54 | Fix an incorrect hyperlink in a comment. (check-in: 25292b9a user: drh tags: trunk) | |
| 16:21 | Version 3.20.1 (Leaf check-in: 8d3a7ea6 user: drh tags: release, branch-3.20, version-3.20.1) | |
| 15:43 | Fixes to documentation about SQLITE_OPEN_URI. (check-in: 7ec72314 user: drh tags: trunk) | |
| 14:08 | Increase the version number to 3.20.1. (check-in: 70338c7c user: drh tags: branch-3.20) | |
| 14:04 | 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: abc7adfd user: drh tags: branch-3.20) | |
| 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) | |
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2017-08-23
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| 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) | |
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2017-08-22
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| 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) | |
| 19:44 | mksourceid still does not work right. (Leaf check-in: ca5dcb4a user: drh tags: mistake) | |
| 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) | |
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2017-08-21
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| 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) | |
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2017-08-19
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| 20:38 | Space and size optimization to the printf implementation. (check-in: d01d2cff user: drh tags: trunk) | |
| 15:50 | Ensure that write-locks on pages are dropped at the end of each write transaction, even if there is still a read transaction open. (check-in: 2dd36ade user: dan tags: server-process-edition) | |
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2017-08-18
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| 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) | |
| 19:28 | Version 3.19.4 (check-in: 605907e7 user: drh tags: release, version-3.19.4, branch-3.19) | |
| 18:55 | Add tests to this branch. (check-in: abb6e076 user: dan tags: server-process-edition) | |
| 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) | |
| 16:04 | Do not search for locks to clear when connecting to a db in multi-process mode unless it looks like the previous user of the client-id crashed. (check-in: 66fb9e1c user: dan tags: server-process-edition) | |
| 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) | |
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2017-08-17
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| 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) | |
| 19:32 | Add support for crash recovery in multi-process mode. And add test cases for the same. (check-in: a8115f95 user: dan tags: server-process-edition) | |
| 19:23 | Small optimization in the Expr tree walker. (check-in: 264a5e1b user: drh tags: trunk) | |
| 18:54 | Size optimization in the authorizer error message generation logic. (check-in: 0367a4d5 user: drh tags: trunk) | |
| 18:23 | In sqlite3ViewGetColumnNames(), return the number of errors, not an error code. (check-in: f13682ea user: drh tags: trunk) | |
| 18:17 | The RTREE extension should return SQLITE_CORRUPT_VTAB, not just SQLITE_CORRUPT when it encounters incorrectly formatted shadow tables. (check-in: 0712f057 user: drh tags: trunk) | |
| 14:47 | Remove an unnecessary branch from the [be436a7f4587ce517ddc] fix. (check-in: fb6ca99b user: drh tags: trunk) | |
| 14:12 | Add test cases for ticket [be436a7f4587ce517] using virtual table modules fts5 and rtree. (check-in: 2101b420 user: dan tags: trunk) | |
| 02:26 | Defer schema resets when the query planner is running. Proposed fix for ticket [be436a7f4587ce517]. (check-in: a7bc7752 user: drh tags: trunk) | |
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2017-08-16
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| 19:20 | Avoid a test for CURTYPE_BTREE in sqlite3VdbeCursorMoveto() in order to reduce the size and improve the performance of OP_Column. (check-in: f078deb2 user: drh tags: trunk) | |
| 17:06 | Update this branch with the latest changes from trunk. (check-in: 380a7b7a user: dan tags: server-process-edition) | |
| 16:52 | Enhance this branch to support page-level-locking (without MVCC) for multi-process deployments. (check-in: 04e0cb57 user: dan tags: server-process-edition) | |
| 14:16 | Remove an unnecessary local variable from OP_Column, for a small size reduction and performance increase. (check-in: 39543903 user: drh tags: trunk) | |
| 11:04 | Performance improvement in the OP_Column opcode. (check-in: dc98a92f user: drh tags: trunk) | |
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2017-08-15
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| 14:14 | Small size and performance improvement in the OP_Column opcode. (check-in: 2cf3f3de user: drh tags: trunk) | |
| 03:46 | Btree optimization: New field BtCursor.pPage that points to the current page, saving a single pointer dereference on each access. (check-in: 373b71d1 user: drh tags: trunk) | |
| 01:07 | Fix a problem allowing a conflicting transaction to be committed in the case where more than one 32KB shared-memory page has been written to since the transaction was started. (check-in: 346a710d user: drh tags: begin-concurrent-branch-3.19) | |
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2017-08-14
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| 23:53 | Minor size and performance optimization to sqlite3BtreeCloseCursor(). (check-in: 16969338 user: drh tags: trunk) | |
| 18:13 | Change the internal btree routine moveToRoot() to return SQLITE_EMPTY if the table is empty or if it has pgnoRoot==0. This simplifies the callers, making them smaller and faster. The SQLITE_EMPTY result code is intercepted and changed into SQLITE_OK before surfacing in an API. (check-in: 240d5714 user: drh tags: trunk) | |
| 17:03 | Fix harmless indentation error. (check-in: 25e92baa user: drh tags: trunk) | |
| 14:53 | Sometimes a TK_COLUMN Expr node can have Expr.pTab==0 if it is a reference to an expression column in an index on an expression. Fix for ticket [aa98619ad08ddcab]. (check-in: d0da791b user: drh tags: trunk) | |
| 07:16 | Remove code for PLL support in wal mode from this branch. (check-in: 8e1b28ed user: dan tags: server-process-edition) | |
| 06:55 | Update this branch with latest trunk changes. (check-in: bc2498d6 user: dan tags: server-process-edition) | |
| 01:33 | Properly dequote column names in tables constructed by an aggregate SELECT. (check-in: 7e0d3e9c user: drh tags: trunk) | |
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2017-08-12
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| 18:31 | Add new test file fts5vocab2.test. (check-in: 02174842 user: dan tags: trunk) | |
| 14:06 | Add a more rigorous test case for the bug fixed by the previous commit on this branch. (check-in: 42560723 user: dan tags: begin-concurrent) | |
| 02:16 | Update the speed-check.sh test script to append log output to the end of the cout-NAME.txt file. (check-in: 14d262d6 user: drh tags: trunk) | |
| 02:01 | Remove the zBase field from the StrAccum object. Resulting code is slightly smaller and faster. (check-in: 6e52fa5f user: drh tags: trunk) | |
| 01:09 | Size and performance micro-optimization on sqlite3SrcListIndexedBy(). (check-in: 28a5aec1 user: drh tags: trunk) | |
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2017-08-11
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| 21:16 | Fix a problem allowing a conflicting transaction to be committed in the case where more than one 32KB shared-memory page has been written to since the transaction was started. (check-in: 38dd9b50 user: dan tags: begin-concurrent) | |
| 20:22 | Add another PAGERTRACE() macro to show when pages are added to Pager.pAllRead. No impact on production builds. (check-in: 11054cf5 user: drh tags: begin-concurrent) | |
| 19:31 | Add a PAGERTRACE() macro to log when frames are written into the WAL file. This is for analysis only and is a no-op for production builds. (check-in: 39f39e3d user: drh tags: begin-concurrent) | |
| 19:16 | Merge the latest enhancements from trunk. (check-in: 47e71695 user: drh tags: begin-concurrent) | |
| 18:59 | Fix compiler warnings that arise if the PAGERTRACE macro is turned on. This changes does not affect production builds. (check-in: 831156a4 user: drh tags: trunk) | |
| 18:55 | Improved comments in the header of the LSM1 vtab module. No code changes. (check-in: aa49926d user: drh tags: trunk) | |
| 13:51 | New test cases for LSM1. (check-in: cb0c49cb user: drh tags: trunk) | |
| 12:49 | Convert the LSM1 virtual table to be WITHOUT ROWID and get UPDATE and DELETE operations working on it. (check-in: 2164031b user: drh tags: trunk) | |
| 03:47 | Simplification to the like optimization logic. Remove unnecessary branches. (check-in: 9466d952 user: drh tags: trunk) | |
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2017-08-10
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| 20:43 | Allow WITHOUT ROWID virtual tables to be writable as long as they have exactly one column as their PRIMARY KEY. (check-in: c601d128 user: drh tags: trunk) | |
| 20:36 | Add the "instance" type to the fts5vocab virtual table module. For direct access to the contents of the fts5 term index. (check-in: 34a7bd71 user: dan tags: trunk) | |
| 19:12 | Fix a typo in csv01.test introduced by the previous commit. (Closed-Leaf check-in: f38ff718 user: dan tags: writable-vtab-without-rowid) | |
| 19:10 | Add extra tests to this branch. (check-in: b0e3b88a user: dan tags: writable-vtab-without-rowid) | |
| 17:53 | Test case for writing to a WITHOUT ROWID virtual table. The TCLVAR virtual table is modified to add a "fullname" column which is the primary key, and to accept update operations against the primary key. (check-in: 6997e00c user: drh tags: writable-vtab-without-rowid) | |
| 15:19 | Experimental changes that allow a WITHOUT ROWID virtual table to be writable as long as it has only a single-column PRIMARY KEY. (check-in: ab9ee4c1 user: drh tags: writable-vtab-without-rowid) | |
| 03:27 | Add a first draft of the "vtablog" extensions that implements a generic virtual table useful for experimentation using the command-line shell. (check-in: e49279e6 user: drh tags: trunk) | |