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100 ancestors of [a06263f1]
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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 | |
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2017-08-28
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| 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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2017-08-25
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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 | |
| 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 | |
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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 | |
| 19:43 | 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 | |
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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 | |
| 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 | |
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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 | |
| 19:23 | 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 | |
| 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 | |
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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 | |
| 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 | |
| 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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| 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 | |
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2017-08-09
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| 22:55 | Preserve the error code from xConnect or xCreate methods in virtual table implementations when they are encountered during parsing. check-in: dcdf0913 user: drh tags: trunk | |
| 19:27 | Various bug fixes for the new LSM1 virtual table design. check-in: 94434a25 user: drh tags: trunk | |
| 18:40 | Work toward redesigning the interface to the LSM1 virtual table. check-in: 313df946 user: drh tags: trunk | |
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2017-08-08
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| 21:40 | The identifier "vsnprintf" appears to be a reserved word in recent versions of XCode, so avoid using it as a structure field. check-in: 795eede3 user: drh tags: trunk | |
| 21:30 | Fix a faulty signed/unsigned character comparison in the LIKE optimization logic. check-in: f4a4b149 user: drh tags: trunk | |
| 20:03 | Enhance the CSV virtual table extension so that it accepts the last row of the CSV file even if the last row omits the closing \n, as long as the last row has a full set of columns. check-in: 537e3be2 user: drh tags: trunk | |
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2017-08-07
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| 19:12 | Avoid casting a value larger than 2^31 to a (size_t) or (SIZE_T) on systems where it is a 32-bit type. check-in: b26d7a1c user: dan tags: trunk | |
| 19:06 | On Windows, avoid casting a value larger than 2^31 to a (SIZE_T) on systems where it is a 32-bit type. Leaf check-in: f08d63b4 user: mistachkin tags: mmap-size-limit | |
| 18:54 | Fix a problem with handling SQLITE_FCNTL_MMAP_SIZE requests with a negative parameter in os_unix.c. check-in: 4249fcf7 user: dan tags: mmap-size-limit | |
| 18:27 | Update bigmmap.test to account for builds that use "-DSQLITE_MAX_MMAP_SIZE=<integer-constant>LL". check-in: 7c8b6f1c user: dan tags: mmap-size-limit | |
| 18:13 | Avoid casting a value larger than 2^31 to a (size_t) on systems where it is a 32-bit type. check-in: 46c3085d user: dan tags: mmap-size-limit | |
| 17:28 | Fix an out-of-order test number. check-in: 38f30091 user: mistachkin tags: trunk | |
| 17:14 | Add new test file "bigmmap.test". For testing builds with -DSQLITE_MAX_MMAP_SIZE > 2GB. check-in: 17447062 user: dan tags: trunk | |
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2017-08-05
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| 16:15 | Fix a segfault in swarmvtab that could occur if there was an error in the SQL statement passed to the constructor. Add other test cases. check-in: 6ce8b7ca user: dan tags: trunk | |
| 15:49 | Microoptimization in pcache1.c makes the code slightly smaller and faster. check-in: 422cd9f3 user: drh tags: trunk | |
| 15:30 | Fix memory leak in swarmvtab. check-in: 002a9c7b user: dan tags: trunk | |
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2017-08-04
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| 20:27 | Add the swarm virtual table to the existing union virtual table module. check-in: 0f6f6f03 user: drh tags: trunk | |
| 20:15 | Add the optional non-found-callback to the swarm-vtab. Closed-Leaf check-in: a94e2f60 user: drh tags: union-vtab | |
| 17:39 | Add further test cases for swarmvtab. And minor code changes. check-in: 0f82d3b9 user: dan tags: union-vtab | |
| 16:16 | Add test cases and associated fixes for swarmvtab. check-in: 7ae20eac user: dan tags: union-vtab | |
| 08:24 | Add SQLITE_API qualifiers to public API functions in header file sqlite3rbu.h. check-in: e11e6eb1 user: dan tags: trunk | |
| 08:23 | Update script tool/mksqlite3c.tcl to avoid duplicating the SQLITE_API qualifier when copying sqlite3rbu.h into the amalgamation. Closed-Leaf check-in: 61ab112f user: dan tags: sqlite3rbu.h-fix | |
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2017-08-03
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| 20:13 | Modify swarmvtab to use a separate database connection for each database file. check-in: 1f05ad29 user: dan tags: union-vtab | |
| 15:50 | Add SQLITE_API qualifiers to public API functions in header file sqlite3rbu.h. check-in: d8637bad user: dan tags: sqlite3rbu.h-fix | |
| 15:43 | Fix some problems in RBU test cases. Also update RBU source code to better handle the trivial case where an RBU update is applied to a database zero pages in size. check-in: 7676b39b user: dan tags: trunk | |
| 00:29 | Optimization to the comparison opcodes in the byte-code engine. check-in: 654935c7 user: drh tags: trunk | |
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2017-08-02
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| 22:43 | In the KeyInfo object, refactor the nField and nXField elements into nKeyField and nAllField, which are more useful and run a little faster. check-in: aea5990e user: drh tags: trunk | |
| 19:59 | Enhance the code in unionvtab.c to also provide the "swarmvtab" virtual table module. There are still several problems on this branch. check-in: 03d94388 user: dan tags: union-vtab | |
| 19:04 | Avoid redundant calls to sqlite3ApiExit() in sqlite3_step(). check-in: 527974d4 user: drh tags: trunk | |
| 18:28 | Only attempt to invoke WAL callbacks when a transaction has committed. check-in: bcc6dacb user: drh tags: trunk | |
| 18:27 | Minor optimization on clearCell() check-in: f3c39c29 user: drh tags: trunk | |
| 15:50 | Optimizations associated with error handling in btree cursors. check-in: 49ba54e2 user: drh tags: trunk | |
| 12:38 | Remove unused token codes. check-in: c45078c0 user: drh tags: trunk | |