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155 events for the month beginning 2016-01-01 by user drh

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2016-01-30
16:59
Merge the implementation of OP_IdxRowid and OP_Seek so that OP_Seek no longer requires the rowid register and a separate OP_IdxRowid call. Shorter and faster prepared statements result. (check-in: 9bec50a1 user: drh tags: trunk)
15:52
Only honor the register subtype value if the MEM_Subtype flag is set. Revised and improved fix for ticket [f45ac567eaa9f9]. (check-in: 1f4c667f user: drh tags: trunk)
15:51 Edit [ec653cbcae74ecab|ec653cbc]: Move to branch clear-subtype-fail. Mark "Closed". Edit check-in comment. (artifact: 097d11c5 user: drh)
14:54 Fixed ticket [f45ac567]: Invalid JSON generated by json_group_array() plus 7 other changes (artifact: 627a0c62 user: drh)
14:53
Take care to clear the subtype on VDBE registers when the value of the register is overwritten with new content. (Closed-Leaf check-in: ec653cbc user: drh tags: clear-subtype-fail)
14:17
Output subtype information on register traces for PRAGMA vdbe_trace. (check-in: 96b78020 user: drh tags: trunk)
13:56 New ticket [f45ac567] Invalid JSON generated by json_group_array(). (artifact: 7ebe8f73 user: drh)
13:32
Add the BTREE_FORDELETE and BTREE_AUXDELETE flags to the b-tree layer interface and use them. Add assert() statement to verify that they are correct. (check-in: 85c46704 user: drh tags: trunk)
12:50
Simplification and size reduction to the printf logic. Remove the bFlags parameter from sqlite3VXPrintf() and sqlite3XPrintf(). Use sqlite3XPrintf() instead of sqlite3_snprintf() for rendering P4 values in EXPLAIN output. (check-in: 0bdb41c4 user: drh tags: trunk)
02:10
Make use of covering indexes in the OR optimization. (check-in: 9de3d712 user: drh tags: trunk)
00:45
Change the P4_INTARRAY so that always begins with a length integer. Print the content of the INTARRAY on EXPLAIN output. (Closed-Leaf check-in: 6c520d57 user: drh tags: covering-or)
2016-01-29
20:58
Different comment on the alternative cursor fields of VdbeCursor. (check-in: 6e3dcb6d user: drh tags: covering-or)
19:04
Improvements to FORDELETE processing, including bug fixes and adding assert() statements to help verify correct operation. (Closed-Leaf check-in: 46080b04 user: drh tags: btree-fordelete-flag)
18:48
Remove a stray "exit" in a test script. (Closed-Leaf check-in: 10c88bf9 user: drh tags: fordelete-assert)
18:11
Avoid unnecessary WHERE clause term tests when coding a join where one of the tables contains a OR constraint. (check-in: 512caa1a user: drh tags: trunk)
17:30 Edit [ab94603974a0ad53|ab946039]: Move to branch OR-clause-improvement. (artifact: 6675d7db user: drh)
17:29 Edit [ab94603974a0ad53|ab946039]: Add tag "omit-OR-constraints". (artifact: 9f020a0c user: drh)
16:57
Avoid unnecessary WHERE clause term tests when coding a join where one of the tables contains a OR constraint. (Closed-Leaf check-in: ab946039 user: drh tags: OR-clause-improvement)
2016-01-28
02:47
Fix for pthread detection in the configure scripts. (check-in: 47633ffd user: drh tags: trunk)
2016-01-27
16:26
Change the name of the BTREE_IDXDELETE flag to BTREE_AUXDELETE, to better reflect its purpose. (check-in: 1d3bf6be user: drh tags: fordelete-assert)
15:49
Add assert() statements on the nExtraDelete variable in vdbe.c to try to verify that the FORDELETE and IDXDELETE flags are being generated correctly. Those flags are not currently generated correctly, and so the assert()s trip on this check-in. (check-in: dde1db0d user: drh tags: fordelete-assert)
2016-01-26
23:32
Merge all recent trunk enhancements. (check-in: 9a71d56d user: drh tags: btree-fordelete-flag)
15:23
Change the automatic index mechanism so that it avoids creating transient indexes on columns that are known to have low cardinality. (Leaf check-in: 12ef3a8f user: drh tags: autoindex-planning)
00:12
Remove an unused variable. (check-in: 1c2656c1 user: drh tags: follow-symlinks)
2016-01-25
23:24
Add the ability to do Windows builds to the amalgamation tarball. (check-in: abd2b357 user: drh tags: trunk)
23:19
Minor changes to the autoconf/README.txt file. (Closed-Leaf check-in: 6df8a9c0 user: drh tags: msvcMakeMin)
22:08
Fix a compiler warning about doing pointer arithmetic involving a NULL pointer even though the result of computation is never used. (check-in: 7c49a947 user: drh tags: trunk)
15:57
Replace the OP_SetIfNotPos operator with OP_OffsetLimit in the VDBE, for simpler and smaller code. (check-in: 7ac017a4 user: drh tags: trunk)
13:55
Add the SQLITE_EXTRA_DURABLE compile-time option. (check-in: 30671345 user: drh tags: trunk)
02:15
Small simplification to the prepare statement opcode memory reuse logic. Easier to read, and slightly smaller and faster. (check-in: 8a1deae4 user: drh tags: trunk)
01:07
Small simplification and performance improvement in memsys5Free(). (check-in: 0a9cff5c user: drh tags: trunk)
2016-01-23
22:55
Add the SQLITE_SPELLFIX_STACKALLOC_SZ compile-time option to control how much stack space is available for use as the Wagner matrix in editDest3 of the spellfix extension. (check-in: dd0100dd user: drh tags: trunk)
20:43
Updates to the autoconf README file. (check-in: 4ce60fa4 user: drh tags: msvcMakeMin)
20:34
Move Makefile.min.msc into the autoconf subdir where it belongs and change its name to Makefile.msc. Adjust build scripts accordingly. (check-in: 12eb8db7 user: drh tags: msvcMakeMin)
20:09
Adjust the amalgamation-tarball build process so that it includes the MSVC makefile and the sqlite3.rc resource file. (check-in: e420f3dc user: drh tags: msvcMakeMin)
19:47
Improved comments on the transformation script and on the generated Makefile. (check-in: c6e633ab user: drh tags: msvcMakeMin)
18:24
Changes to spellfix to try to get it to use stack space instead of heap space in cases where that makes sense. (check-in: dfcebc73 user: drh tags: trunk)
14:05
Remove an assert() that can be false if compiled with SQLITE_USE_ALLOCA. (check-in: f0a551ed user: drh tags: trunk)
2016-01-22
23:17
In the TCL interface, if a database connection object was opened with the -uri 1 option, then also honor URI filenames for the "backup" and "restore" commands. (check-in: a1c8116c user: drh tags: trunk)
19:44
Reenable the xCurrentTime and xGetLastError methods on the unix VFSes as long as SQLITE_OMIT_DEPRECATED is not defined. (check-in: c11c85fd user: drh tags: trunk)
17:48
Add the sqlite3TokenInit() utility function. (check-in: 73231753 user: drh tags: trunk)
2016-01-21
17:06
Add a new hint bit on the flags parameter of sqlite3BtreeDelete(). The new BTREE_IDXDELETE bit indicates that the call is to delete an index entry corresponding to a table row that has already been deleted. (check-in: ac2cbadd user: drh tags: btree-fordelete-flag)
15:55
Improved comments on the FORDELETE hint. No logic changes. (check-in: a3cec529 user: drh tags: trunk)
2016-01-20
16:06 Edit [17efb4209f97fb49|17efb420]: Add tag "version-3.10.2". (artifact: fe36372d user: drh)
16:06 Edit [17efb4209f97fb49|17efb420]: Change background color to "#d0c0ff". Edit check-in comment. Add tag "release". (artifact: 1cab864f user: drh)
16:02
Merge the LIKE-operator bug fix from trunk. (check-in: 36cb3d6e user: drh tags: sessions)
15:27
Version 3.10.2 (Leaf check-in: 17efb420 user: drh tags: release, version-3.10.2, branch-3.10)
15:08
Fix the build so that it works for SQLITE_OMIT_WAL again. (check-in: d1c15de5 user: drh tags: branch-3.10)
15:06 Edit [c1f918dcc15e3bd4|c1f918dc]: Edit check-in comment. (artifact: 1fe05c84 user: drh)
15:05
Fix a potential use-after-free problem when compiling with SQLITE_HAS_CODEC. (check-in: b94a3a37 user: drh tags: branch-3.10)
14:32
Increase version number to 3.10.2. (check-in: c1f918dc user: drh tags: branch-3.10)
14:30
Case folding in the LIKE operator should look at all bits of the character, not just the lower 8 bits. Fix for ticket [80369eddd5c94]. This is a back-out of check-in [0a99a8c4facf] with a testcase added. (check-in: 29dc4a3e user: drh tags: branch-3.10)
14:25 Fixed ticket [80369edd]: Incorrect case folding in the LIKE operator plus 5 other changes (artifact: db994bd6 user: drh)
14:22
Case folding in the LIKE operator should look at all bits of the character, not just the lower 8 bits. Fix for ticket [80369eddd5c94]. This is a back-out of check-in [0a99a8c4facf] with a testcase added. (check-in: 204432ee user: drh tags: trunk)
14:07 New ticket [80369edd] Incorrect case folding in the LIKE operator. (artifact: b3016558 user: drh)
12:18
Merge recent enhancements from trunk. (check-in: 5520f600 user: drh tags: begin-concurrent)
11:40
Merge all recent enhancements from trunk. (check-in: 3ed49691 user: drh tags: apple-osx)
11:33
Merge recent enhancements from trunk. (check-in: 327af5f6 user: drh tags: sessions)
03:36
Performance improvement in sqlite3DbMallocRaw(). (check-in: ff8eadbe user: drh tags: trunk)
02:36
Suppress the display of the P4 operand in EXPLAIN output when an opcode has been converted into a No-op. (check-in: 9f8297f8 user: drh tags: trunk)
02:21
Remove an unnecessary memset() from the symbol name resolver. (check-in: da527dda user: drh tags: trunk)
02:01
Remove an unnecessary memset() for a small size reduction and speed improvement. (check-in: 730d7efb user: drh tags: trunk)
01:48
During compilation, transfer the azVar[0..nzVar-1] array from Parse to Vdbe rather than copying it. Smaller and faster code. (check-in: 80dd495f user: drh tags: trunk)
01:32
Very small simplification to the btree balancer. (check-in: f421adf5 user: drh tags: trunk)
2016-01-19
21:36
Fix an incorrect VFS version number check in the threadtest3.c test program. (check-in: 5bf6442b user: drh tags: trunk)
17:54
Fix two harmless compiler warnings about comparisons of dangling pointers. (check-in: 86944f19 user: drh tags: trunk)
2016-01-18
13:18
Avoid unnecessary calls to memset() for a small performance improvement. (check-in: 9e8c23ac user: drh tags: trunk)
00:46
Simplification of the VDBE bytecode for incremental blob I/O. (check-in: d23849f6 user: drh tags: trunk)
00:20
Fix a problem with SQLITE_TEST_REALLOC_STRESS. (check-in: 0aaf3feb user: drh tags: trunk)
2016-01-16
20:50
Improvements to the way sqlite3VdbeAddOpList() works, resulting in a slightly smaller and faster binary. (check-in: 88ceb588 user: drh tags: trunk)
15:12
Use sqlite3VdbeAddOp4() rather than a separate sqlite3VdbeChangeP4() call, for a slightly smaller and faster binary. (check-in: a4258cd4 user: drh tags: trunk)
03:16
Fix a potential use-after-free problem when compiling with SQLITE_HAS_CODEC. (check-in: 653ea15a user: drh tags: trunk)
2016-01-15
21:55
Remove an unnecessary memset(). (check-in: 689421a9 user: drh tags: trunk)
16:11
Remove unnecessary de-initialization of the Parse object. (check-in: 75ab30c5 user: drh tags: trunk)
15:06
Work toward making the schema parsing logic simplier and more compact. (check-in: c52ca2c0 user: drh tags: trunk)
2016-01-14
22:19
Combine the xFunc and xStep pointers of the FuncDef object into a single pointer xSFunc. (check-in: 0d1b3d7d user: drh tags: trunk)
19:32
Simplification to the ISO8610 parser in the imnplementation of date/time functions. (check-in: b9159f42 user: drh tags: trunk)
15:03
Merge the latest enhancements and fixes from trunk. (check-in: d85774e0 user: drh tags: apple-osx)
14:48
Merge the latest fixes and enhancements from trunk. (check-in: 007e5c6d user: drh tags: sessions)
14:33
Yet another change to FTS5 trying to get it to merge successfully into sessions. (check-in: 8dedff3b user: drh tags: trunk)
14:29
Fix more compiler warnings in FTS5. (check-in: f791fc70 user: drh tags: trunk)
13:22
Fix harmless compiler warnings in RBU and add RBU to the autoconf and windows makefiles. (check-in: fabe78c5 user: drh tags: trunk)
12:23
Fix harmless compiler warnings in sqldiff.c. (check-in: 74808a79 user: drh tags: trunk)
12:16 Edit [254419c36766225c|254419c3]: Add tag "version-3.10.1". (artifact: e4683a3e user: drh)
12:16 Edit [254419c36766225c|254419c3]: Change background color to "#d0c0ff". Edit check-in comment. Timestamp 2016-01-14 00:01:23. Add tag "release". (artifact: 5919f7ef user: drh)
01:56
Fix the build so that it works for SQLITE_OMIT_WAL again. (check-in: d55a557b user: drh tags: trunk)
00:01
Version 3.10.1 (check-in: 254419c3 user: drh tags: release, version-3.10.1, branch-3.10)
2016-01-13
21:23
Look for pthread_mutexattr_init() instead of pthread_create() in autoconf scripts, to work around issues with ASAN. (check-in: 9c3a0dc2 user: drh tags: trunk)
18:26
Version number to 3.10.1. (check-in: 4660da25 user: drh tags: branch-3.10)
18:21
Add the SQLITE_FCNTL_JOURNAL_POINTER file control. (check-in: ea9ce228 user: drh tags: branch-3.10)
18:12
Add the SQLITE_FCNTL_JOURNAL_POINTER file control. (check-in: ad3daa54 user: drh tags: trunk)
18:06
Add documentation for the SQLITE_FCNTL_JOURNAL_POINTER file-control. (Closed-Leaf check-in: 807c5aee user: drh tags: file-control-journal)
17:59
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]. (check-in: 8b4f5080 user: drh tags: branch-3.10)
17:50 Fixed ticket [cb3aa064]: Incorrect result from a subquery containing over-constrainted ORDER BY plus 3 other changes (artifact: bcde10d8 user: drh)
17:50
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]. (check-in: cdbb0947 user: drh tags: trunk)
15:21 Ticket [cb3aa064] Incorrect result from a subquery containing over-constrainted ORDER BY status still Open with 6 other changes (artifact: 5d76babb user: drh) ... 1 similar event omitted.
12:04 Edit [2a74129a21f9745f|2a74129a]: Edit check-in comment. (artifact: c5e5182c user: drh)
2016-01-12
19:37
Add the ".vfslist" command to the command-line shell. (check-in: 5727562b user: drh tags: trunk)
14:10
Fix a harmless use of an uninitialized variable following system errors in the multi-threaded sorter. (check-in: 4bb2c1df user: drh tags: trunk)
04:08
Remove an unused field from the MemPage object. (check-in: 5fc0a4c1 user: drh tags: trunk)
02:28
Make sure all bytes of the WAL file are initialized even if the checksums are not being computed until commit due to WAL overwrite. (check-in: 1f44a9bd user: drh tags: trunk)
02:00
Fix an uninitialized field in the Select object when SELECTTRACE is enabled. (check-in: fc628516 user: drh tags: trunk)
00:37
Various #ifdef enhancements for improved VxWorks support. (check-in: 75cd41ff user: drh tags: trunk)
2016-01-11
22:58
Performance optimization in the sqlite3VdbeChangeP4() routine of the code generator. (check-in: 28bd8d5f user: drh tags: trunk)
18:05
Performance optimization on the Column opcode. (check-in: ecc98bef user: drh tags: trunk)
14:19
Performance optimization in sqlite3WalkExpr(). (check-in: 2f8bd5fa user: drh tags: trunk)
13:10
Merge recent enhancements, and especially the WAL overwrite change, from trunk. (check-in: c4a858b2 user: drh tags: sessions)
13:03
Import the version number change to 3.11.0. (check-in: 132772d1 user: drh tags: apple-osx)
12:52
Increase the version number to 3.11.0 due to the WAL overwrite enhancement. (check-in: 8e807bfa user: drh tags: trunk)
12:49
Merge enhancements from trunk, and in particular the WAL overwrite feature. (check-in: 79125ec9 user: drh tags: apple-osx)
03:48
Slightly smaller and faster LIKE/GLOB comparison implementation. (check-in: 5dddcc78 user: drh tags: trunk)
00:52
Improved testability. (check-in: e83d3a2a user: drh tags: wal-overwrite-frames)
2016-01-09
23:55
All WAL frame overwrites even if there are active savepoints. This is safe because a ROLLBACK TO will cause all reverted pages to be rewritten to the WAL file prior to COMMIT. (check-in: 99b31a6b user: drh tags: wal-overwrite-frames)
2016-01-08
22:31
Typo fix in the previous commit. (check-in: 52c16603 user: drh tags: trunk)
22:18
More #ifdef fixes for the unix VFS. (check-in: 122c111e user: drh tags: trunk)
19:34
Fix the build for SQLITE_OMIT_SHARED_CACHE, which was broken, possibly by check-in [2d96aeba]. (check-in: 3392f8fa user: drh tags: trunk)
19:17
Fix a problem with #ifdefs on the system calls in the unix VFS that causes problems when compiling with SQLITE_OMIT_WAL. (check-in: ceceea4c user: drh tags: trunk)
17:28
Remove an obsolete #ifdef related to iOS support. (check-in: e9a51d2a user: drh tags: trunk)
12:46
Reduce the number of calls to memset() in sqlite3DbMallocZero(). (check-in: cede2bf8 user: drh tags: trunk)
02:27
Add the experimental SQLITE_FCNTL_JOURNAL_POINTER file control for obtaining the sqlite3_file pointer associated with a rollback journal or WAL file. (check-in: a02ace9a user: drh tags: file-control-journal)
2016-01-07
21:12
Omit performance tracking from the memsys5 memory allocator if neither SQLITE_DEBUG nor SQLITE_TEST are defined. (check-in: af5c7714 user: drh tags: trunk)
17:19
Fix to cause BtShared.db to be set correctly on shared-cache connections in SQLITE_THREADSAFE=0 builds. Added assert()s to verify the correct setting of BtShared.db. (check-in: 2d96aeba user: drh tags: trunk)
17:09
Small performance and size optimization spotted while working on the shared-cache problem. (check-in: 828958ff user: drh tags: trunk)
02:06
Add the "sqlite3 -sourceid" command in the TCL interface. Use that command and others to output additional information about the test configuration at the conclusion of a TCL test. (check-in: 4f80440b user: drh tags: trunk)
2016-01-06
15:54
Disable the --limit-mem option on fuzzcheck unless the SQLITE_ENABLE_MEMSYS5 or SQLITE_ENABLE_MEMSYS3 compile-time options are used. (check-in: 55a11fd6 user: drh tags: trunk)
15:49
Merge changes for version 3.10.0. (check-in: e1d2ffc0 user: drh tags: begin-concurrent)
15:14
Merge changes for version 3.10.0. (check-in: fa4705c9 user: drh tags: sessions)
14:35
Merge all version 3.10.0 updates. (check-in: 77c28c2b user: drh tags: apple-osx)
11:01
Version 3.10.0 (check-in: fd0a50f0 user: drh tags: trunk, release, version-3.10.0)
2016-01-05
03:39
Always use -DSQLITE_ENABLE_MEMSYS5 for fuzzcheck so that the --limit-mem option will work. (check-in: a8556977 user: drh tags: trunk)
03:39
Another attempt to get reuse of excess opcode array space working correctly on all architectures and platforms. (check-in: 2f858374 user: drh tags: trunk)
2016-01-04
23:43
Fix a corner case in the opcode-array reuse logic where the number of bytes of reusable space might be computed to be a negative number, due to unusual system alignment restrictions and rounding error. (check-in: 1aa53014 user: drh tags: trunk)
19:02
Merge in last-minute patches for the 3.10.0 beta. (check-in: c785cd78 user: drh tags: sessions)
13:06
Fix the conflict2.test module which was broken by check-in [e30062e9f6c]. (check-in: b779ca8a user: drh tags: trunk)
12:07
A new approach to very large sqlite3_mprintf() strings: Back out the [d655a665] check-in and instead make the size fields in StrAccum unsigned. Strings generated by sqlite3_mprintf() can now be as large as 2^31-1 bytes. (check-in: 7adb789f user: drh tags: trunk)
04:44
Improved comment on the vtabH-3.1 test. (check-in: 22abe080 user: drh tags: trunk)
04:41
Adjust the vtabH.test module to ignore files in the root directory of Windows machines that contain the "$" character. (check-in: 73e33550 user: drh tags: trunk)
04:28
Limit the length of sqlite3_mprintf() output to 2^30 bytes, even if SQLITE_MAX_LENGTH is set larger at compile-time. (check-in: d655a665 user: drh tags: trunk)
03:48
Fix a harmless compiler warning. (check-in: 4b404a99 user: drh tags: trunk)
01:08
Add releasetest.tcl cases for SQLITE_LIKE_DOESNT_MATCH_BLOB and for SQLITE_ENABLE_CURSOR_HINTS. (check-in: f300c35e user: drh tags: trunk)
00:13 Edit [116b206494eb8ba9|116b2064]: Mark "Closed". (artifact: e19ded9f user: drh)
2016-01-03
18:07
Bug fix: the conflict resolution behavior for the implied NOT NULL constraint on the PRIMARY KEY of a WITHOUT ROWID table should be ABORT. (check-in: e30062e9 user: drh tags: trunk)
11:27
Fix a premature reference to utf8_printf in shell.c. (check-in: 76f5efa6 user: drh tags: trunk)
11:17
Add the number of cores used and the name of the host computer to the summary at the end of releasetest.tcl. (check-in: cd3ae0f1 user: drh tags: trunk)
2016-01-02
05:00
Fix a (harmless) typo in an #ifdef for SQLITE_ENABLE_CURSOR_HINTS (check-in: 2047d2de user: drh tags: trunk)
2016-01-01
17:09 Edit [a9e819082ba19e72|a9e81908]: Edit check-in comment. (artifact: 84f0fdbc user: drh)
16:48 Edit [a304e34675404aee|a304e346]: Edit check-in comment. (artifact: 03801505 user: drh)
16:42
Remember the size of the Vdbe.aOp[] array in bytes, to avoid unnecessary calls to sqlite3_msize(). (check-in: 3e852804 user: drh tags: trunk)
16:26
Avoid misaligned memory allocations on Sparc in sqlite3VdbeMakeReady(). This fixes a problem introduced by check-in [a9e819082b]. (check-in: a304e346 user: drh tags: trunk)
14:14
Merge recent trunk enhancements. (check-in: 6bea792c user: drh tags: begin-concurrent)
13:31
Merge all recent trunk enhancements. (check-in: 5b700f31 user: drh tags: apple-osx)
13:25
Merge the latest enhancements from trunk. (check-in: c0be246a user: drh tags: sessions)
03:37
Fix an assert() that might be false for a corrupt database. (check-in: 68360cd2 user: drh tags: trunk)
00:15
Remove unreachable branches from the new JSON aggregate functions. (check-in: 6e30f8c6 user: drh tags: trunk)
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