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100 check-ins occurring around a26b6597e3.

2020-12-11
19:01
Fix an assert() broken by recent changes to vacuum. (check-in: dd058da8 user: dan tags: trunk)
17:11
Small performance tweaks. (check-in: 5321d60c user: drh tags: generalized-upsert)
16:49
Bug fixes so that legacy tests pass. New tests for new functionality have not yet been added. (check-in: aa76790e user: drh tags: generalized-upsert)
16:03
Add an "#ifndef SQLITE_AMALGAMATION" block around the typedef for u64 in shathree.c. (check-in: b411f29e user: dan tags: trunk)
14:34
Fix the configure script on the autoconf distribution so that the --disable-threadsafe option works. See FreeBSD bug 244459. (check-in: e64ff2cc user: drh tags: trunk)
14:22
Fix the expert extension so that it handles generated columns correctly. (check-in: c2ae7ba6 user: dan tags: trunk)
01:17
Logic is in place to handle multiple ON CONFLICT clauses, but it does not work. Any use of ON CONFLICT will likely lead to memory faults. This is an incremental check-in to save my place. (check-in: 15514231 user: drh tags: generalized-upsert)
2020-12-10
20:31
Use an iterator for the index loop in sqlite3GenerateConstraintChecks(). The idea is that this iterator can be enhanced to traverse the indexes in any order, as required by multi-index UPSERT. (check-in: 64a4a91e user: drh tags: generalized-upsert)
19:54
Remove a redundant branch added by [56a54258560]. (check-in: b4d6f6d7 user: dan tags: trunk)
19:51
Changes to avoid loading large records into memory within VACUUM. (check-in: 56a54258 user: dan tags: trunk)
19:20
Fix minor issues with new code on this branch. (Closed-Leaf check-in: f7fa76d0 user: dan tags: vacuum-lomem)
18:07
Merge trunk changes into this branch. (check-in: 7337eed6 user: dan tags: vacuum-lomem)
18:06
Better integrate the changes on this branch with OP_Insert and OP_IdxInsert. (check-in: 101cef14 user: dan tags: vacuum-lomem)
13:49
Add an optional function to the chsumvfs extension. When activated by the SQLITE_CKSUMVFS_INIT_FUNCNAME macro, this function will invoke the file-control that sets the number of reserved bytes to 8. This can be used to initialize a cksumvfs database file by programming languages that do not have access to the sqlite3_file_control() interface. (check-in: 01841fb4 user: drh tags: trunk)
12:49
The DO UPDATE code generator searches for the correct ON CONFLICT clause to use. (check-in: a47e35ee user: drh tags: generalized-upsert)
2020-12-09
23:35
Fix compilation issues with MSVC related to C99. (check-in: c0de6c1f user: mistachkin tags: trunk)
20:33
Transfer large index or WITHOUT ROWID records between b-trees when vacuuming without loading them into memory. (check-in: dfd4ca68 user: dan tags: vacuum-lomem)
20:30
For upsert, the constraint check code generator uses a copy of the index list for the target table, which can potentially be reordered. (check-in: 3194c00c user: drh tags: generalized-upsert)
16:49
Add tests for a 'delete' command on a contentless table where values that weren't actually inserted are NULL. (check-in: 818c647c user: dan tags: trunk)
16:32
Avoid loading large intkey rows when VACUUMing, even if the page-size is changing. (check-in: 0d2c3776 user: dan tags: vacuum-lomem)
13:11
Improved comments in sqliteInt.h. No changes to code. (check-in: 8ccb8d1d user: drh tags: generalized-upsert)
01:34
Initialize all terms in the ON CONFLICT clause stack. (check-in: 5e683fd1 user: drh tags: generalized-upsert)
2020-12-08
20:19
Experimental changes to vacuum to avoid loading large records entirely into memory. Currently only works in limited cases only - for rowid tables when the page-size does not change. (check-in: c90e063c user: dan tags: vacuum-lomem)
14:29
Enhance UPSERT parsing to allow multiple ON CONFLICT clauses. Only the very last clause may omit the conflict target, but the conflict target may now be omitted for the DO UPDATE resolution. (check-in: 2ca62f4c user: drh tags: generalized-upsert)
2020-12-07
23:14
Fix a bad assert() in math1Func(). (check-in: 4b286129 user: drh tags: trunk)
21:19
Fix to the --disable-math option to ./configure. (check-in: 99ff6418 user: drh tags: trunk)
21:13
Many more math functions. Semantics follows PG wherever possible. (check-in: 6b93627b user: drh tags: trunk)
17:15
Begin adding new SQL functions that depend on -lm: ceil(), ceiling(), floor(), ln(), log(), and log10() so far. More to follow. (check-in: 4db5f2f7 user: drh tags: trunk)
2020-12-04
18:47
Update this branch with latest trunk changes. (check-in: 846e8444 user: dan tags: reuse-schema)
17:05
Fix harmless compiler warnings associated with the recent FTS5 enhancements. (check-in: 1db7c751 user: drh tags: trunk)
16:58
Fix a bug in the ".eqp" command of the shell that was introduced by the recent sqlite3SelectTrace/SQLITE_TESTCTRL_TRACEFLAGS changes. (check-in: fd02dffc user: drh tags: trunk)
16:49
Ensure that fts5 function matchinfo() is registered before running tests that use it in fts5corrupt3.test. (check-in: 932e05e0 user: dan tags: trunk)
16:26
Fix a test script problem in walvfs.test. (check-in: 4c5076fb user: dan tags: trunk)
16:25
Fix an incorrect datatype no the sqlite3WhereTrace variable in test1.c. (check-in: 4e6dab30 user: drh tags: trunk)
16:09
Eliminate the sqlite3_unsupported_selecttrace global variable by creating a new test-control to control SELECT tracing. Note that SELECT tracing is only available on debug builds. (check-in: fb07c4e3 user: drh tags: trunk)
16:04
Further changes to the trace variables to try to eliminate (harmless) compiler warnings in all configurations. (Closed-Leaf check-in: 3a4c98b9 user: drh tags: traceflags-test-control)
01:17
Alternative implementation of ".selecttrace" and ".wheretrace" that uses a test-control rather than global variables. (check-in: d36d6f29 user: drh tags: traceflags-test-control)
2020-12-03
21:22
When merging prefix lists in fts5, use 16-way merges instead of 2-way merges. This faster. (check-in: 026a9350 user: dan tags: trunk)
19:25
Do not simulate OOM faults on the SQLITE_FCNTL_CKPT_START and SQLITE_FCNTL_CKPT_DONE file-controls, as those are write-only and the return value is always ignored. (check-in: 62a2d394 user: drh tags: trunk)
14:21
Enhance the generate_series() table-valued function to support negative step values. (check-in: 9b60fc48 user: drh tags: trunk)
2020-12-02
20:07
Prevent potential segfault in the sqlite-expert idxPopulateStat1 context cleanup code. (check-in: c24f1344 user: mistachkin tags: trunk)
19:08
Allow a search for an N character prefix in fts5 to use a prefix index of size N+1, if no prefix index of size N exists. (check-in: 78a7801d user: dan tags: trunk)
18:27
Fix the ".open" command in the CLI so that it accepts command-line options both before and after the filename. (check-in: d330bf0c user: drh tags: trunk)
16:23
Improve performance for fts5 column filters that filter for more than one column. e.g. "{col1 col2 col3}:phrase". (check-in: d8de2f23 user: dan tags: trunk)
02:58
Parameterize the hash function in mkkeywordhash.c. This was an attempt to find a better hash function, which turned out to not be successful. (check-in: 2195d731 user: drh tags: trunk)
00:22
Increase the version number to 3.35.0 to begin the next development cycle. (check-in: edbabaa3 user: drh tags: trunk)
00:20
Slightly faster tokenization of non-keyword identifiers. (check-in: 55fa22bd user: drh tags: trunk)
2020-12-01
23:18
Add the --lookaside SIZE COUNT command-line option to the dbfuzz2 testing tool. (check-in: 2466960c user: drh tags: trunk)
16:36
Merge the 3.34.0 release into the reuse-schema branch. (check-in: 73b5f614 user: drh tags: reuse-schema)
16:14
Version 3.34.0 (check-in: a26b6597 user: drh tags: trunk, release, version-3.34.0)
2020-11-30
18:52
Update the tea/win/makefile.vc file that ships as part of the autoconf package to use "sqlite3" instead of "tclsqlite3" for the installed dll filename. (check-in: 23212b1a user: dan tags: trunk)
18:43
Update the tea/win/makefile.vc file that ships as part of the autoconf package to use "sqlite3" instead of "tclsqlite3" for the installed dll filename. (Closed-Leaf check-in: 93d4d9dc user: dan tags: win-tea-fix)
14:20
Do not reuse the obsolete SQLITE_TESTCTRL_PRNG_RESET value for SQLITE_TESTCTRL_SEEK_COUNT. Give SEEK_COUNT its own unique value. This avoids incompatibility with legacy test code. (check-in: fdba0b12 user: drh tags: trunk)
2020-11-27
20:56
Improve the speed of the tokenizer by recognizing that tokens starting with letters "_", "Y", or "Z" can never be SQL keywords and must be ordinary identifiers. (Closed-Leaf check-in: 16e281ed user: drh tags: faster-tokenizer)
19:40
Fix a compiler warning in fts5_aux.c. (check-in: 8edb983b user: dan tags: trunk)
16:15
Add missing cast to fts5 bm25() code. (check-in: 6ff96738 user: dan tags: trunk)
16:08
Remove a redundant "if( rc==SQLITE_OK )" from the fts5 bm25() code. (check-in: d85f4f27 user: dan tags: trunk)
16:05
Move an "if( rc==SQLITE_OK )" to outside a loop body in the fts5 bm25() code. (check-in: 14a4dcf3 user: dan tags: trunk)
15:28
Fix a case in the FTS5 integrity check where a corrupt database could cause a buffer overread. (check-in: a32b4f65 user: dan tags: trunk)
2020-11-26
20:13
Update mkunicode.tcl to match the change erroneously made to machine generated file fts5_unicode2.c in [b7b7bde9]. (check-in: 326d579d user: dan tags: trunk)
18:41
Merge latest changes from wal2 branch. (Leaf check-in: b451bb72 user: dan tags: begin-concurrent-pnu-wal2)
18:08
Merge latest trunk changes into this branch. (Leaf check-in: cb1f6f18 user: dan tags: wal2)
17:54
Merge latest changes from begin-concurrent-pnu into this branch. (Leaf check-in: d2de81a2 user: dan tags: begin-concurrent-report)
17:36
Merge latest changes from trunk into this branch. (check-in: a42e6f34 user: dan tags: begin-concurrent-pnu)
11:37
Update this branch with latest changes from trunk. (check-in: ddb97eee user: dan tags: begin-concurrent)
2020-11-25
20:29
Merge trunk changes into this branch. (check-in: f4b7c100 user: dan tags: reuse-schema)
18:44
Update a requirement mark in the e_expr.test script. (check-in: bb174a07 user: drh tags: trunk)
16:28
Fix harmless compiler warnings about unused function parameters. (check-in: 25d067c2 user: drh tags: trunk)
15:29
Fix a potential NULL pointer dereference in the geopoly_overlap() routine of the GeoPoly extension. (check-in: b5665712 user: drh tags: trunk)
14:50
Fix the shell1.test test script so that it works on windows. (check-in: 9bd15b07 user: drh tags: trunk)
13:59
Change the -init option to the command-line shell to honor the -bail option. Also change it to report an error if the filename mentioned cannot be opened. (check-in: a29f54bd user: drh tags: trunk)
2020-11-24
23:40
Fix a typo in the sqlite3_txn_state() documentation. (check-in: 5b432529 user: drh tags: trunk)
21:19
Add the new sqlite3_txn_state() interface to the set of routines accessible by run-time loadables extensions. (check-in: db25f1dc user: drh tags: trunk)
19:55
Fix a harmless typo in a comment. (check-in: b2a201f1 user: drh tags: trunk)
17:55
Fix a bug in OOM handling code introduced by [6a28713d]. (check-in: 8a786ce9 user: dan tags: trunk)
16:44
Ensure that super-journal and other journal filenames passed by SQLite to an sqlite3_vfs.xOpen() implementation may be safely passed to sqlite3_uri_parameter() and similar functions. (check-in: 6a28713d user: dan tags: trunk)
13:14
Remove the VERSION_NUMBER macro from configure.ac as it has been unused since 2009 check-in [7f4810747b086498]. See also forum post bb2c634fcd. (check-in: 5466dd55 user: drh tags: trunk)
2020-11-23
21:05
Syntactic changes to work around a bug in gcov 9.3.0. No changes to the generated code for release builds. (check-in: 4f1573b1 user: drh tags: trunk)
17:36
In os_unix.c, put ALWAYS() on unreachable branches associated with pathname normalization. (check-in: b45a08e3 user: drh tags: trunk)
15:30
Fix a test script problem causing crash8.test to fail when run with leak-sanitizer. (check-in: 2c437f7a user: dan tags: trunk)
14:50
Allow "substring()" as an alias for "substr()" for compatibility with other SQL engines. (check-in: aa2ee575 user: drh tags: trunk)
2020-11-20
14:16
Add file doc/vdbesort-memory.md, containing notes on the way vdbesort.c uses heap memory. (check-in: 07f53899 user: dan tags: trunk)
11:17
Declare a variable "const" in order to avoid compiler warnings. (check-in: 4f5481bf user: dan tags: wal2)
2020-11-19
21:12
The xFullPathname method of the unix VFS now normalizes the filenames by omitting surplus "/", "/./" and "/../" strings. (check-in: c38dec6f user: drh tags: trunk)
21:01
More test case changes so that shared-cache mode tests all work with normalized database names. (Closed-Leaf check-in: 6f0d5f09 user: drh tags: stronger-nofollow)
20:07
Fix the tkt3793 test case so that work even when filenames are normalized. (check-in: e85d32ac user: drh tags: stronger-nofollow)
19:43
Use an ephemeral table rather than a RowSet to remember rowids in the two-pass UPDATE algorithm, as this uses much less memory for large UPDATEs. (check-in: 842c4327 user: drh tags: trunk)
16:08
Fix things so that sqlite3_database_file_object() works with wal2 filenames. (check-in: c2426ae8 user: dan tags: wal2)
2020-11-18
23:44
If a read() or pread() indicates that the database file is unreadable due to filesystem damage, then it returns SQLITE_IOERR_CORRUPTFS which is then converted into SQLITE_CORRUPT before being returned to the application. (check-in: 849e4e14 user: drh tags: trunk)
21:50
Improvements to the mechanism that attempts to report SQLITE_CORRUPT if pread() says that the underlying filesystem is corrupt. (Closed-Leaf check-in: b887c750 user: drh tags: detect-corrupt-fs)
21:15
Merge trunk changes into this branch. (check-in: 6004de52 user: dan tags: reuse-schema)
20:55
Update cksumvfs.c so that if SQLITE_AMALGAMATION is defined, SQLITE_CKSUMVFS_STATIC is implied. (check-in: 184e9d78 user: dan tags: trunk)
18:36
Add test infrastructure for cksumvfs. And update cksumvfs so that it works in concert with version 2 VFSs. No changes to core SQLite. (check-in: 43d4801d user: dan tags: trunk)
14:30
Fix a problem causing sqlite3_carray_bind() to return an undefined value. (check-in: 083203a5 user: dan tags: trunk)
14:12
Update test code to fix a problem with SQLITE_OMIT_VIRTUAL_TABLE builds. (check-in: 29c779a0 user: dan tags: trunk)
12:48
On unix, for certain error codes of read()/pread() return SQLITE_IOERR_CORRUPTFS instead of SQLITE_IOERR_READ. And then convert this error into SQLITE_CORRUPT prior to returning back to the application. (check-in: 9538ea84 user: drh tags: detect-corrupt-fs)
2020-11-17
21:26
Claw back most of the performance lost in the previous commit. (Closed-Leaf check-in: df8ce267 user: drh tags: lowmem-update-exp)
21:09
Fix trivial memory leaks in the shell and sqldiff programs. (check-in: 272793e5 user: dan tags: trunk)
18:25
Fix test file busy2.test so that it works with the "inmemory_journal" permutation. (check-in: b192fddd user: dan tags: trunk)
14:41
Add a single-argument form to the CARRAY table-valued function, with content bound using the sqlite3_carray_bind() interface that is included with the extension. (check-in: 7b229cb1 user: drh tags: trunk)