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100 ancestors of [3a2793aa]

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
2017-09-09
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
17:00
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
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
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
2017-08-16
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
2017-08-15
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
2017-08-14
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
2017-08-12
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
2017-08-11
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
2017-08-10
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
2017-08-09
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
2017-08-08
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
2017-08-07
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