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5855 Commits

Author SHA1 Message Date
dan
f380599476 Add the SQLITE_CHANGESETAPPLY_NOUPDATELOOP option to the sqlite3_changeset_apply_v2/3() method. To disable the extra processing to commit changesets that swap two or more values subject to a UNIQUE constraint between rows. 
FossilOrigin-Name: eba02092bcf1713a646ecf8febd53a83bc803cf1b17e2e4fc590c14d886a8d27
 2026-05-22 14:22:14 +00:00
dan
de739c3450 Merge latest trunk changes with this branch. 
FossilOrigin-Name: c6226d508d6af28fcd42fecd482014c3e284923871d3d8f5177f728cbf3457c5
 2026-05-21 15:13:17 +00:00
dan
c597ed79d1 Fix a buffer overread in the session module that could occur when processing a corrupt changeset. 
FossilOrigin-Name: 869a51ae84dfaaf824c872e4b3024f35eea7fa67bb584759a2d42ebf8404ef6e
 2026-05-21 14:58:36 +00:00
drh
da18b56b25 Limit the length of inputs to the spellfix1_editdist() extension 
function (not part of the standard SQLite build and rarely used)
to 99999 characters, to avoid any possibility of integer overflow.
[bugs:/forumpost/5da728247a|Bug 5da728247a].

FossilOrigin-Name: 51ebf0e04efcbe982e62f2228553700b8c1147a37c70fdfaa0e377184b3ac936
 2026-05-21 13:37:15 +00:00
dan
b869ed6b06 Fix a bug causing the session module to dereference a NULL pointer when applying a corrupt changeset. 
FossilOrigin-Name: e807d4e3798efd532b3d78d1dfe513ed4fbd3cb793dd0ae5c30cae6031422b10
 2026-05-20 15:06:34 +00:00
drh
ccf23dadea Check-in [7cf841f3613c8302] was incomplete in that it did not remove 
the incorrect assert() statement.  Fixed here.

FossilOrigin-Name: c19bacca13f699953bbf50afb867035a94080b8a48111cf3d87bced880a3e620
 2026-05-20 11:53:15 +00:00
dan
d3dc8e5ae5 Avoid returning an SQLITE_SCHEMA error from within sqlite3session_diff() if the schema has been recently modified. First <a href=https://sqlite.org/bugs/forumpost/269f1e9cef>reported here</a>. 
FossilOrigin-Name: 20110547a117912be68d91bc006e92c45beffde16c6bcdf062bf8971c9a9a864
 2026-05-20 11:41:24 +00:00
dan
8154476ff8 Fix a potential buffer overread in fts5 that could occur when handling corrupt records. 
FossilOrigin-Name: 70021c3291b38192832c99fa4d8155249dd39f5b26334595c71f5cee66d13ebb
 2026-05-19 20:27:54 +00:00
drh
d258b93356 Silently ignore nested porter tokenizers in FTS5. Having nested porter 
tokenizers is pointless, but it does use stack space unnecessarily.
[bugs:/forumpost/a7766198f1|Bug report a7766198f1].

FossilOrigin-Name: 0bdeedf56c9d7209d1ea8f950d0ef03c78cbf677528d9d30c5f4ec48c4e1a571
 2026-05-19 19:33:49 +00:00
dan
3ef3ecdf8a Remove new unreachable code from this branch. 
FossilOrigin-Name: 07f81e256fde5796c0d8bcedff8fad4368639386f40881c0844e9c86a69b6fad
 2026-05-19 18:58:59 +00:00
drh
632b618063 Prevent integer overflow in the ICU extension. 
[bugs:/forumpost/844bdd7d5c|Bug report 844bdd7d5c].

FossilOrigin-Name: c20cb75ca07d0553d7a847c65a40efb2e5c587579ec32b02121a8963c70db12f
 2026-05-19 18:56:11 +00:00
drh
d58b463ffb Fix an assertion fault that can occur in RTree given a carefully 
corrupted database.
[bugs:/forumpost/2026-05-18T06:46:01Z|Bug report 2026-05-18T06:46:01Z].

FossilOrigin-Name: 7cf841f3613c8302a419638bdec83b1b9799f00cfedbfe40dca0a1a005c196b5
 2026-05-19 18:45:05 +00:00
dan
1a0555610d Fix problems with error handling when applying changesets with update loops. 
FossilOrigin-Name: f797925df05f1a53392dba416aa72067716bb6e38ebc679d313f8a98f89c5913
 2026-05-19 18:28:03 +00:00
dan
079f8dc682 Merge trunk changes into this branch. 
FossilOrigin-Name: e480e126fc1550948bd1a3635f0e3a862353dcd8b0f1921ab6e66d699110b477
 2026-05-19 17:15:05 +00:00
dan
4da2ddf50e Avoid a potential 1 byte overread in sqlite3changegroup_add() when processing a corrupt changeset buffer. 
FossilOrigin-Name: 4d8c3a2919dc942a0a044ec7582a688e0f93e91f4a465bb94390fbe3ad1b50b4
 2026-05-19 17:12:39 +00:00
dan
c7ddaf2479 Merge latest trunk changes into this branch. 
FossilOrigin-Name: 1f71b530c9e8ddce5b25ed0971447cd925f9194afc7a2f929429318a5fcb5a72
 2026-05-19 16:07:22 +00:00
drh
4d3f3c7070 Security enhancements to the untested and unused fossildelta.c extension. 
Bug reports [bugs:/forumpost/3ac3fe3d71|3ac3fe3d71] and
[bugs:/forumpost/e7e470b760|e7e470b760].

FossilOrigin-Name: 2d3fbbe421d3b0ad8fa08255fd30af7f2d947919ebb90fa9c9c4ee72ffd880b4
 2026-05-19 11:15:33 +00:00
drh
bc94e5dbb6 Limit the size of input strings to the (disused) spellfix extension 
to avoid excessive runtime and integer overflows.
[bugs:/forumpost/24a33e5d10|Bugs report 24a33e5d10].

FossilOrigin-Name: 4b16b80cf2e26c41f0828d65883145dc81c0987110c3f04a864cec43e7c418e5
 2026-05-19 10:30:13 +00:00
drh
d0fd0cc2fa Fix a NULL pointer dereference in the obscure (and unused) prefixes 
extension, which I had forgotten even existed.
[bugs:/forumpost/24a33e5d10|Bug report 24a33e5d10].

FossilOrigin-Name: 4880adc053b0f21633936347fd5610e4338b15da39607d8ba5a6b32d1516e8cb
 2026-05-18 23:58:14 +00:00
drh
1192d6f5b1 Fix an off-by-one error in matchinfo('b') for FTS3 when there are a large 
number of columns.
[bugs:/forumpost/42d5f799d1|Bug report 42d5f799d1].

FossilOrigin-Name: c0f2cd6d292bb3554539a309a2ecfa0a12f0248cfcbb5594391607b107a62cd2
 2026-05-18 21:45:06 +00:00
drh
a20f63e0ef Limit the NEAR span in FTS3 to 1 billion, to avoid integer overflow. 
[bugs:/forumpost/4cfcf164d2|Bug report 4cfcf164d2].

FossilOrigin-Name: adcb44f9dcfd34df4cf4f5cc418ecac9f2ca09723442379dfedcba532c45de77
 2026-05-18 20:43:15 +00:00
dan
a497743e24 Fix a problem applying changesets that contain multiple UPDATE constraint loops. 
FossilOrigin-Name: 8e89aafab1b8fa7d59ac98c39b7f1c1cc23a98ba868a5dac83dee63688786a3f
 2026-05-18 20:34:56 +00:00
drh
a2d992a000 Prevent integer overflow due to database corruption in. 
fts3auxNextMethod().
[bugs:/forumpost/bce19272cf|Bug report bce19272cf].

FossilOrigin-Name: d903795e3bdf91607f23dace5a15a070139b32e34aed8540a6c2e19c39e997be
 2026-05-18 20:27:57 +00:00
dan
4dd11e33e4 Update the session module so that it can apply changesets containing two or more UPDATE changes that form a dependency loop - so that no single UPDATE can be applied independently without violating a constraint. 
FossilOrigin-Name: 5f8010599fb33fbe1dadc894a679056a5d38040ab4f09772cd59827941e9348b
 2026-05-18 18:59:06 +00:00
drh
02dc8d0c5f Harden the QRF extension against integer overflow problems. 
FossilOrigin-Name: 83d3a0d39b0b36a47003206d390935d4c94f7a906ada02f69e0ad1eef2f22d59
 2026-05-14 13:29:59 +00:00
drh
13b63ed930 In QRF, relax the constraint on the screen width so that it can be as 
wide as a 32-bit signed integer can count.
[forum:/forumpost/2570051b60|Forum post 2570051b60].

FossilOrigin-Name: 91439d95dc81adebf8226f2b7c33ca62a4b7163cfc14e03993524aa17b5767f3
 2026-05-14 12:46:41 +00:00
dan
cf632ddb7e Fix the sqlite3changegroup_change_finish() API so that it correctly handles NULL being passed for the pzErr parameter. 
FossilOrigin-Name: f81d6d7bc8943729f678a3b62921a96764b15b9cc11d8a5753e48210a1b59617
 2026-05-13 20:37:30 +00:00
drh
657721fd32 Attempt to disable false-positive GCC compiler warning. 
FossilOrigin-Name: e377b4d375f2ec64085d953e87739904bbbccf09d82db99fe0579368c985ca84
 2026-05-12 11:47:01 +00:00
dan
eb83e32cef Improve detection of corrupt database records in fts5. 
FossilOrigin-Name: 87b653731171a26396f9796b0a5c436593571d39e991d8d040ef4473cf459b67
 2026-05-11 11:53:07 +00:00
dan
79db323ce1 Fix potential buffer overwrite that could occur in fts5 when processing corrupt records. 
FossilOrigin-Name: 4a5ad516ea93926c0d5206b4d72c3675905d2bf666b27a649256b93eb95c671b
 2026-05-11 11:12:06 +00:00
drh
993bc6b171 Improved detection of OOM in the regexp_bytecode() SQLite function 
(available in debug builds only).
[forum:/forumpost/a3a10e1c7b5dd1d2|Forum post a3a10e1c7b5dd1d2].

FossilOrigin-Name: 172e8c35badadc3c5eb5065da8ed2161093a0adff0ecfb5b162f78a9fb55bb34
 2026-05-09 13:16:18 +00:00
drh
86d1ef8bf7 Fix an integer truncation problem due to oversized inputs to the 
approximate_match virtual table extension.
[forum:/info/625f687e4d25c392|Forum post 625f687e4d25c392].

FossilOrigin-Name: 2881e17cc030814b350ca371fd2fd2089d3ff2fcc4ea52654de8bc5c2fc95222
 2026-05-09 12:41:23 +00:00
drh
e707e68420 Fix a corner-case floating-point rounding problem in the generate_series() 
virtual table, introduced by [c113e31b818d1677] and reported by
[forum:/info/6e6cf9054bea2b1d|forum post 6e6cf9054bea2b1d].

FossilOrigin-Name: ff56785674ebeb1d4bab66ba0827956a2728c8c14419f933d40dc0152efbd4f5
 2026-05-09 12:03:14 +00:00
stephan
e572525306 Delete the OPFS SEE test dbs when done with them. 
FossilOrigin-Name: cbb9f7bcd04c586d523192f32c0ce7dcec72a76bb9a9c3b67fcde1f9e79f7218
 2026-05-05 15:31:41 +00:00
stephan
082aebfa0d Add importDb() tests of SEE databases for the opfs/opfs-wl VFSes, analog to the opfs-sahpool test in [a5a9ac7ad6622b]. 
FossilOrigin-Name: 534d388031dfacf83cb40c712150a376db10393c98936a33ea80da0166b3dbeb
 2026-05-05 15:26:24 +00:00
stephan
6f842b8da4 For the various OPFS VFS db-import routines, in SEE builds (only) relax the is-this-a-db check to allow for SEE dbs not having the usual header string in cleartext. Addresses [https://sqlite.org/see/forumpost/f84bef3552|SEE forum post f84bef3552]. 
FossilOrigin-Name: a5a9ac7ad6622b5b07193aa279deefde7d59ca17f81aba9dd78ee90718446993
 2026-05-05 08:51:10 +00:00
stephan
3d84988efe Fix a predicate which causes a false error in the OPFS SAHPool tests when building with SEE. 
FossilOrigin-Name: 97ab0a2fd56501d08bc2ab2adbe70a4130f6c5b5db343941fa16c7b34c550bd3
 2026-05-05 08:11:55 +00:00
drh
9db9f18985 Fix harmless compiler warnings. 
FossilOrigin-Name: a0d0b5aff51088699e5ad0a726c350d10744b1779acd9ee54232659fb4c352a4
 2026-05-02 15:58:28 +00:00
drh
57e46429fe Harden the recovery extension against SQL injections coming from the 
sqlite_schema table of the database being recovered.

FossilOrigin-Name: 9190f1b9b8889e4d80c370db36b916744d5779de0ec51da0369bbe74adb7b931
 2026-05-01 16:06:21 +00:00
dan
e2dbd0a578 Fix a single-byte OOB read that could occur in the session module when concatenating patchsets. 
FossilOrigin-Name: 60d7cd625a6160ba1bc60fd00fab2e91e0deff42034c6864107c19330b35ea7a
 2026-04-25 14:00:29 +00:00
drh
67d4e0226f Fix harmless compiler warnings. Enhance the CLI prompt mechanism to make 
it more easily reusable by other projects, and to add the /h, /H, and /u
escape sequences.

FossilOrigin-Name: 354ce4f5e2a86b621b2058a6372495a5919cf3dc88ce1ed3637642f720c48002
 2026-04-23 20:13:14 +00:00
drh
5c6404aa77 Fix a integer type bug in the previous check-in. 
FossilOrigin-Name: 5e1b5ff1c170e94956bf77bd38afcad6369cb9f9333864711212af045281ad0e
 2026-04-22 13:41:20 +00:00
drh
429369f4aa QRF and the CLI preserve zero bytes when outputing unformatted BLOB values. 
FossilOrigin-Name: dbc1d6f0a3452607e4e92155df0fdb1c5ea4ea5ad1654664f86383faf6c105ef
 2026-04-22 12:22:32 +00:00
drh
9529894a29 Fix harmless compiler warning in QRF. 
FossilOrigin-Name: dcfb505ac7762f7a3102e1c3853a83dca1d1ef436cc8981949b63c7d7992cc5b
 2026-04-21 22:19:38 +00:00
drh
4ebed2a4e5 Fix an off-by-one buffer size calculation in the decimal.c extension. 
FossilOrigin-Name: 24df42104d5fd1cf974f2bf539fa7515808e21e68d64899c39f5fcf3bee49a48
 2026-04-21 16:07:15 +00:00
stephan
d3abfd77f5 Reformulate how the OPFS async proxy Worker is loaded for the bundler-friendly builds to work around a bug in Vite in which it incompatibly rewrites the Worker's URL arguments. Addresses the discussion at [https://github.com/sqlite/sqlite-wasm/pull/159|npm package PR 159] and patch validated by Jure Rotar. 
FossilOrigin-Name: ec877a30f5c5db30b9154745140744c5cc80d89673d79e50901d7377599cf2b4
 2026-04-21 10:19:38 +00:00
drh
63984b6ab7 Fix the fileio extension for Windows builds so that it does not depend on 
the sqlite3_win32_utf8_to_unicode() and sqlite3_win32_unicode_to_utf()
routines that are found in the SQLite core.
[forum:/forumpost/2026-04-20T02:02:56Z|Forum post 2026-04-20T02:02:56Z].

FossilOrigin-Name: fe0414a9a3caf6af67f53a5f3534efd5d4bf4978ebce1c591ef62d6961e55701
 2026-04-20 10:28:19 +00:00
drh
a2116f86b0 The sqlite3_str_new() interface never returns NULL, even after an OOM. 
Code that uses that interface should invoke sqlite3_str_errcode() to see
if an OOM has occurred.

FossilOrigin-Name: cb910047edc591102dd4ed0d57c863b366981b8aa1d3085d5f95b1fbbabf6c31
 2026-04-15 14:41:25 +00:00
drh
ade9289540 Improve the analyze() extension so that it returns a simple error message 
as text (it does not throw an error) if the database is empty or is "temp"
or does not exist.

FossilOrigin-Name: 35379f60922f14d4f6d231ae627df066ad4e4510208bcc244505b9afb279f2fa
 2026-04-15 12:47:37 +00:00
drh
dfba4eb34a Fix harmless compiler warnings seen by MSVC in the previous check-in. 
Also add ext/misc/analyze.c to the makefile dependencies for the CLI.

FossilOrigin-Name: 5a0ee6e227042e41ac64869c75f961798b252458670c18662175fe5bfa8b87d3
 2026-04-15 12:35:23 +00:00