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26156 Commits

Author SHA1 Message Date
drh
8e5cef7bca Fix harmless compiler warnings that show up on 32-bit RaspberryPI builds. 
FossilOrigin-Name: bc4d20f362925e4ce5c79f0d7a27a8e9bbac92525bd4cea2ae983798e3f8c37d
 2023-06-17 15:42:44 +00:00
drh
0587a1a8bb In date/time functions, fix the rendering of "subsecond" and the 
computeHMS() routine to better deal with floating point
rounding errors that arise on some 32-bit systems.

FossilOrigin-Name: e46a00ae880dd12df090105498a85017d1367f88bf27d86f0b0200cf0536a906
 2023-06-17 15:22:00 +00:00
drh
56a410741b Address various harmless compiler warnings from 
[forum:/forumpost/d526da8ee4|forum post d526da8ee4].

FossilOrigin-Name: 365caf2f97e8f15842f52536e8d05d359e9d6e863182e020ce14a9a9f27ee057
 2023-06-16 14:39:21 +00:00
drh
2e4d526996 Fix the pager such that if the xOpen() message sends back the SQLITE_OPEN_MEMORY 
flag, the pager is opened in journal-mode MEMORY, even if compiled with
SQLITE_OMIT_DESERIALIZE.  No changes to the logic as long as that OMIT flag
is omitted.  We need to better document the behavior of xOpen to describe this.

FossilOrigin-Name: da1252b29852191eccbea98e0314408c75bb83a51f9d68d589705d4971a23850
 2023-06-16 11:05:49 +00:00
drh
f025fc164d Updates to the README.md file. 
FossilOrigin-Name: fa5cb6dab52dcf853854ad12922a125b9a5f898362e883bb31b2f789c632288b
 2023-06-15 16:02:19 +00:00
drh
733ef7e8e6 Fix harmless typo in a comment. 
FossilOrigin-Name: 6937986a687e4afea39168702f3a29aef0d60cebff024edab30d1aecfe159065
 2023-06-15 15:43:08 +00:00
drh
0c04f2e576 Work around what appears to be a GCC 32-bit optimization problem in the 
computeHMS() routine of the date/time logic.

FossilOrigin-Name: aebdbcbebff1319dd00551c9fb9ad4b08859f10e87f097295d564ae1ba188c02
 2023-06-14 12:19:07 +00:00
drh
e30ecbfb84 Improved sqlite3_error_offset() values for bare column errors on '*' and 
'table.*' expressions in SELECT statements.

FossilOrigin-Name: 118fe600876686273f85d0a080a21267e83c11826365f3220336b1bd39562518
 2023-06-13 18:10:52 +00:00
drh
d34ce81867 Extended the time-diff format so that it can have a 5-digit year. This enables 
time differences to span the full range of dates supported by SQLite.  Also
fix some inaccuracies in the computation of time differences and add new
test cases.

FossilOrigin-Name: d57ddbf4eeeb3ccfe31871f098045b9e58634153a3c3030f597cb58c1177218a
 2023-06-13 16:55:24 +00:00
drh
d97e0d0e38 Initialize a local variable in FTS3 to avoid a GCC compiler warning. 
FossilOrigin-Name: 7ec4ab327decd6a5ee5e6a53f1489e17e0cdbb297945f9acc532b47d052eb7a9
 2023-06-12 18:22:34 +00:00
dan
16702ec69d Fix a problem causing bloom filters to be used less efficiently than they might be. Problem reported by forum post [forum:/info/06c3f01da6 | 06c3f01da6]. 
FossilOrigin-Name: 56d9bb7aa63043f5db4a1e5e8eefe46762dba433145807c6e27a8316f1d03d7a
 2023-06-12 13:49:37 +00:00
drh
997670f997 Check-in [70e12efd1b189560] left a path through lockBtree() that failed to 
set the BTS_PAGESIZE_FIXED flag.  That omission is fixed by this check-in.
dbsqlfuzz 02c9ab74eb0619c9ae3b894ce157fae1d7f94645

FossilOrigin-Name: 30dcc872eb1c9549708009c86357826c4f15ffa17e379dab5cd4aec596643728
 2023-06-12 13:31:20 +00:00
dan
d679f9e5d1 Fix a buffer over-read that could occur as part of an fts5 secure-delete operation on a database containing corrupt fts5 records. 
FossilOrigin-Name: a35c50eca907d0cf373b7962c359aebfce8ac7c34ce81edeb99122d4fb5804f7
 2023-06-12 11:06:57 +00:00
drh
26d71f03fc Make sure temporary sqlite3_value objects used by STAT4 are reset to NULL prior 
to being reused, to prevent a memory leak associated with
the custom xDel string value destructor.
dbsqlfuzz 65209ab5d5730e4fd14fff9d024325a77239036e.

FossilOrigin-Name: 88be7075cdc7000d3a1e84e49064cf8c28fc7caca9c464f44a83265223961b51
 2023-06-11 21:58:20 +00:00
drh
b102d62749 Defer setting the BTS_PAGESIZE_FIXED flag until after we are certain there 
are no errors and the page size has been set.

FossilOrigin-Name: 70e12efd1b189560e07f59db03a20b8c1ab19224aae4fc3d7c0bdfd2568064ea
 2023-06-10 19:33:02 +00:00
drh
26e136bb9a Fix an assert that can go bad if STAT4 content is corrupt. This is a 
follow-up to the previous check-in.

FossilOrigin-Name: ac1d3860af4eb30e4a7444b01d7b5afc91a4b1f5e3fe5414a491c6edc7ff1631
 2023-06-10 18:40:20 +00:00
drh
04b92471f7 Extra space to prevent a buffer overread on corrupt STAT4 records. 
dbsqlfuzz 7128d1b41ce9df2c007f9c24c1e89e2f1b2590ca.

FossilOrigin-Name: b99135288b157044e2319833e8632c89483778f876aa45ee66e46ffb6ae42ab2
 2023-06-10 17:05:05 +00:00
drh
6bbc5b3730 Enhance fuzzcheck so that it understand the sqlite3_db_config() and 
optimization settings from unused bits in the database header, which
dbsqlfuzz is now using.

FossilOrigin-Name: 918708c6dea5bffab4bb1c15d655ac7356bae97b84def905479dfcf491db6c5f
 2023-06-10 10:37:49 +00:00
drh
7520116441 Simplify a memcpy() in defragmentPage(). It now might copy more content than 
is strictly necessary, but runs faster and uses less code space.  Possible
reasons for the improved performance:
(1) the copy is now always 8-byte aligned,
(2) fewer intermediate results are required which means less register
pressure which helps the compiler to optimize the subroutine.

FossilOrigin-Name: 6e5607ae4d872954483a8d7a5c866aa41e4af70fae9652fb7eb211b316ab724d
 2023-06-09 15:54:18 +00:00
dan
6e4ff8707e Remove SQLITE_EXTENSION_INIT macros from dbdata.c. 
FossilOrigin-Name: 106ec745766ac59131f975d5ab5487c8a24b9c3be1766411c018b42c6ae4672a
 2023-06-08 20:49:25 +00:00
drh
2f764eb4f4 Improvements to the src-verify.c utility program so that it continues to 
muddle through a corrupt manifest file, making the most sense of it that it
can and reporting "manifest" has having changed at the end.

FossilOrigin-Name: 157b5d25e0c99eabfa3c32cb867fe7e3c05031c12354f734d2cd8a4062b9439c
 2023-06-08 16:19:21 +00:00
drh
8efe749ab3 Fix the amagamation generator so that it works one a clean source tree. 
FossilOrigin-Name: f502610d03a1362eea936129abd03390835b7e47ba25e6799b2e7880de540640
 2023-06-08 15:30:10 +00:00
drh
fd5d18045a Include source provenance in the header comment of the amalgamation. 
FossilOrigin-Name: e3eb5af9050aae1db6887d17a560a24e4ca58f232ad7ac7c283c861ea4944f0b
 2023-06-08 15:27:35 +00:00
drh
4fa5952090 Enhance Lemon so that it remembers which -D command-line options are actually 
used in the grammar and includes a list of all such options in the header
of the generated output file.

FossilOrigin-Name: c47a4dbd24b8277c57b7a83a8c0aeac2bc8f6ab75d1b65ba5e1fa83d1868d95f
 2023-06-08 12:52:28 +00:00
larrybr
4eda84a456 Add spell-checking for all comments in main sources. (./src/ .c .h .in) make target "misspell" tells of misspelled words for which no exceptions have been put into tool/custom.txt . 
FossilOrigin-Name: 5332abf0ad8ef42c44e9dd7045d017bb8fc9a0262a89ababa3e2c41788a6cdb8
 2023-06-07 23:10:40 +00:00
larrybr
55be21647e Fix straggler misspellings and tidy the custom dictionary. Also include pickups from [forum:/info/c61fb09afd|forum post c61fb09afd]. 
FossilOrigin-Name: 8c291d99946eb32b20b743921202f9c7cfb716268ff526817b27adbb7942e40b
 2023-06-07 17:03:22 +00:00
drh
c5a5a54c51 Remove additional traces of FTS1 and FTS2 that were missed by [2bb50d5aedef0fd2] 
FossilOrigin-Name: 9a12bac5d24c7a8364d2127fd12c3409a53ef83e408d10f344ddd311cdba98af
 2023-06-07 15:00:54 +00:00
drh
1d7c88bf98 Remove unused, legacy shell script "mkso.sh" from the root of the repo. 
FossilOrigin-Name: 57f75e48690bdeb9b6bb3f46eee39021e3eb8cc0c488d2584177baa11ac984e5
 2023-06-07 14:47:29 +00:00
larrybr
bc91738e66 Add a C-source spell-checking facility. make misspell (on Nix) 
FossilOrigin-Name: 26c1bb4bd9e9f56613c3aa87407a7f562fd4ebde5bfd6dece02078001d9a45f8
 2023-06-07 08:40:31 +00:00
drh
25e87ed1ba Fix compiler warning in src-verify.c. 
FossilOrigin-Name: 2d58c77448cfaaf12887b60bcfea039d3410a750ac8955a817c45be85c00eb9e
 2023-06-05 17:12:33 +00:00
drh
4246a4bf14 Update the README.md file to talk about the verify-source makefile target. 
FossilOrigin-Name: aa8e79e16abf028d50370ae13b6c952a7b7f42985125bc8e7f51b20a10bfc336
 2023-06-05 13:57:37 +00:00
stephan
dc608d8a5f Remove extraneous console trace output from previous check-in. 
FossilOrigin-Name: c9f6e36d59fc8bf2bcef6fc14ff2e9ad3dfd972de94d4a71ff3f56134810a8ef
 2023-06-05 11:30:50 +00:00
stephan
c81dcaabe8 Add a JS test confirming that binding of statement parameters in a subquery works. 
FossilOrigin-Name: 5dfaf0bce83c3e15ad605e3f07291ce219f1a2726ce77be27779897088ee13d5
 2023-06-05 11:26:59 +00:00
drh
706047470e Generalize the src-verify.c utility program and provide additional documentation 
in the header comment.

FossilOrigin-Name: 7ed84046ef0c2c64031cac3a3a6b43aac3ac40aeb36838d8d046493f2d5ed122
 2023-06-05 01:05:46 +00:00
mistachkin
59714faa68 Minor cosmetic normalizations for the MSVC makefile. 
FossilOrigin-Name: c9fda8d6dba36841415d0f445b4081b051bfaa70428b605ac0b9ca4ae98f7d49
 2023-06-05 00:57:38 +00:00
drh
979715bb45 Fix harmless compiler warnings in tool/src-verify.c 
FossilOrigin-Name: 0e79ee97b18792dba9213bd9961f53e2bae765ac92df7963703d08857da74fd1
 2023-06-04 22:59:20 +00:00
drh
10ca116b3e Enhancement to tool/src-verify.c to also check the manifest.uuid file. 
FossilOrigin-Name: a39a569482a35610fdaa2fdfc88491d8b456dfedb4786c817e0502eb3e3a5563
 2023-06-04 22:56:31 +00:00
drh
63329ce6c7 Add a prototype implementation for the "verify-source" Makefile target. 
FossilOrigin-Name: ed876ff6a1a6a2d555f32b96eb78d95eaf8428ee189f968c43f0829a3065bfa7
 2023-06-04 22:41:52 +00:00
larrybr
f1967a7018 Clarify sqlite3_is_interrupted() return. No code change. 
FossilOrigin-Name: b6c2d3d203100a34335aeba23a8fb82a13297b65eed494d5044ade3bed683bc3
 2023-06-02 21:31:15 +00:00
drh
038158e94a Restore the LEFT JOIN strength reduction that was partially lost in 
[d747afda5683ca5f] when strength reduction was generalized to all OUTER JOINs.

FossilOrigin-Name: 2d962b84dd8ac2d0968f0283f8f082c1c2a7a1f99b59053b2ad8f58745396447
 2023-06-02 18:05:54 +00:00
larrybr
a3f943942c Do that last CLI fix more simply, using established means. 
FossilOrigin-Name: a1823b297616bc2bd64eda9df4850fb460d8da8959ae3728195db896d1f89e7b
 2023-06-02 13:31:12 +00:00
larrybr
4e8a0eb4e7 Fix CLI fault on missing -nonce reported by [forum:/info/f8c14a1134|forum post f8c14a1134]. 
FossilOrigin-Name: cd24178bbaad4a1dafc3848e7d74240f90030160b5c43c93e1e0e11b073c2df5
 2023-06-02 12:56:32 +00:00
drh
4ffcce88ad Fix the OUTER JOIN strength reduction theorem prover's handling of the CASE 
operator.

FossilOrigin-Name: 73d7b14b1713d93c4ae07995e9aa6485cbad90bd6125584dbaeccb0cc9410ea3
 2023-06-02 00:03:28 +00:00
drh
179c32cb57 Generalize the LEFT JOIN strength reduction optimization so that it works for 
RIGHT and FULL JOIN as well.  Rename it to the "OUTER JOIN strength reduction"
optimization.

FossilOrigin-Name: d747afda5683ca5feb92866a14ccc4c5127d3378ece5cad2c3da819f2477b457
 2023-06-01 20:38:22 +00:00
drh
39a7a1a9be If the filename argument to sqlite3_load_extension() is an empty string, then 
raise an error.  It turns out that if dlopen() is called with an empty
filename, it tries to load the current executable.  And then if the caller
requests some other function from the current executable, mischief can result.

FossilOrigin-Name: d01688554715eb4aaa1b1fd1a6b660b84e930edb0e062156ecf5228ee81ca754
 2023-06-01 16:40:28 +00:00
drh
f96148c4c6 Add an ALWAYS() on an unreachable branch. 
FossilOrigin-Name: a00928d48061c1169d5564996e19e7d7c2b962842100bb119846d0f696123c23
 2023-06-01 00:28:11 +00:00
drh
e411b69537 Fix the LEFT JOIN strength reduction for IN operators in the WHERE clause. 
Further simplifications and refinement of the algorithm.

FossilOrigin-Name: 96c72dde79d4069f6c2f81467a35b617633f86f7a7dcafbda991affdaa1f8537
 2023-06-01 00:01:20 +00:00
drh
d8cf688469 Add a comment to explain why both sides of an AND must be non-null-row in order 
for the overall expression to be non-null-row.  No code changes.

FossilOrigin-Name: 8396032ce14a75f408f0a75bcb36a6504d5188f20886e275746a2c336a74296f
 2023-05-31 18:52:46 +00:00
drh
29e70da4a4 Improved detection of when the LEFT JOIN strength reduction optimization 
can be applied.

FossilOrigin-Name: f544a8e47cdd5ad7233887a558489983f4f305a39391ff463c43e2e4157da087
 2023-05-31 18:35:12 +00:00
drh
d3b54d624f Minor enhancement to the sqlite3_trace_v2() documentation. No code 
changes.

FossilOrigin-Name: fba97230e38276f2a02fc24353c3d911dfa24f3a4f75f691de9461d4daf3ae54
 2023-05-31 12:42:09 +00:00