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32017 Commits

Author SHA1 Message Date
stephan a89d43e5db Correct test from [96a48a15760a] - that journal was indeed corrupt, but not in the intended manner. Add a verification that the bad journal gets replaced after a write. 
FossilOrigin-Name: c9171221160f241b450d425f41bb53b42362dccfad4c3fdf64dd5c3562ed4096
 2026-06-21 11:38:05 +00:00
stephan 646931b83e Extend the test from the previous check-in a bit. 
FossilOrigin-Name: bd6bbd0e84226c90d864c28ac4d6acd908c4f06bfe63dcfd6fa6b8d17105b338
 2026-06-21 11:10:17 +00:00
stephan 9be4c57ca1 Add a JS test demonstrating that [7c4db1cd2d06] recovers gracefully from journal corruption. 
FossilOrigin-Name: 96a48a15760a2eee2642926874e9dfd4082518c6669f930fcc367ffd16669f39
 2026-06-21 10:55:09 +00:00
stephan d7e055d41c Fix a result value semantics bug which broke application of a journal in kvvfs. Fix a memory-reset bug in hypothetical non-WASM builds of kvvfs. Bug report [bugs:7fcd3ea30fa4fcfc|2026-06-20T18:22:59Z], and this resolves the journaling issue mentioned in the parent post. 
FossilOrigin-Name: 7c4db1cd2d06d9dc6c4b5eed5c4fc0fc5466128a169a5d4ba261e0cb17020ae1
 2026-06-21 08:38:07 +00:00
stephan 97467fa8fa Fix a potential integer overflow when decoding a corrupt kvvfs block. Bug report [bugs:76acc88b57|2026-06-20T18:35:54Z]. 
FossilOrigin-Name: c36fc5df62c7eb8fca6a43cb0b3154a030b39a4cfade8fb04496120d4d339b97
 2026-06-21 08:13:22 +00:00
drh fb41f57de4 Fix an incorrect assert() in check-in [984c9b181801c1de] 
FossilOrigin-Name: 1d41c93b3636de63cc4b9ee49f73319429944f2255ab56d7556595f56434c17c
 2026-06-20 21:54:18 +00:00
stephan 190034d268 Correct misuse of a loop control variable in writing of a kvvfs journal. Bug report [bugs:20e208fe17|2026-06-20T08:49:41Z]. Remove a snippet of dead code in the JS kvvfs side. 
FossilOrigin-Name: a396d7c54c5f251daaaac1e68321c2a54d3b6969599027c29b7ca7abe7fb8c4e
 2026-06-20 11:07:04 +00:00
drh ae3c30e318 Add the sqlite3_result_str() interface and use it to simplify the code. 
FossilOrigin-Name: 8f8361edf82233d6cd53bf8cd2f7fbf0cb3552228c9202395ef1e3383ed559ff
 2026-06-19 23:53:29 +00:00
drh 7644162026 Use SQLITE_FINISH in a few places in the core, to help ensure that path is 
well tested.

FossilOrigin-Name: 7356bf3a813bcd9082a7fdef5e2cc38c7a0f142f0ef4c948f78e4dafa216c039
 2026-06-19 22:57:44 +00:00
drh fa8e52021f Put the sqlite3OomStr singleton in "const" space to ensure that it is 
never modified.  Doing so identified a long-standing bug.

FossilOrigin-Name: 2fe53e6d68c3f9f1c4b064fa40fe8efe12025179a973182f0bb256acb9b5d58d
 2026-06-19 22:17:09 +00:00
drh ec4f18fed8 Additional changes based on Claude analysis. 
FossilOrigin-Name: d4691a0db1e96b646d3094f183b1fc330411a2d2472b09f9b5fe0fb268b5ca09
 2026-06-19 21:43:04 +00:00
drh 9487f6d441 Further refinements and uses for sqlite3_result_str(). 
FossilOrigin-Name: 974253a6058a7120354261b2134ed4803373031996957c7334161370b80bf428
 2026-06-19 20:01:47 +00:00
drh 7b386a77ff Prototype implementation for a new sqlite3_result_str() API. 
FossilOrigin-Name: cdbc62c36a37ad687589917c6f1e92ded6d99959c54eb8d79eaaef6fa57dacd3
 2026-06-19 17:03:21 +00:00
drh 3a697a26de Fix the format() SQL function so that it returns an empty string not a 
NULL if the first argument is an empty string.
[bugs:/info/2026-06-19T16:40:04Z|Bug 2026-06-19T16:40:04Z]

FossilOrigin-Name: ece7af98a8bf982567b489cf82a52519f46a1c9360c82a486dbe1cd0664b1555
 2026-06-19 16:55:08 +00:00
dan 593b55cb78 Fix a cast in fts3_write so that it is applied as intended. Bug [bugs:/info/2026-06-19T07:56:23Z | 2026-06-19T07:56:23Z]. 
FossilOrigin-Name: d6a3272e5592bcfeecf8a06dd8330cce57ff6603b24994b533d1fdcd48b5dc66
 2026-06-19 11:46:05 +00:00
dan 8c4a4acc02 Fix an fts5 problem causing attempts to create locale=1 tables with more than 115 columns to fail. Bug [bugs:/info/2026-06-19T05:19:08Z | 2026-06-19T05:19:08Z]. 
FossilOrigin-Name: 979229f720e63d0294be14dae3f9fad68f76e4126a0ad63e32573cdfecd0151e
 2026-06-19 11:14:16 +00:00
drh 978b0abe4d Fix a memory size computation error on 32-bit platforms caused by 
check-in [9a2a230464e43140].

FossilOrigin-Name: dc4763b14c421710f2a19c19c1cac455c1d0244b27303b6f328c778ac188bb02
 2026-06-18 17:09:20 +00:00
drh e070f37183 Small parsing performance improvement by reducing the amount of the 
Parse object that needs to be initialized.

FossilOrigin-Name: 0901b7c2dfb87707fa159f24ada5abb0a2914043c6f0571de4ce55c80edb663b
 2026-06-17 20:11:26 +00:00
drh b5d0d980be Remove the unnecessary Parse.szOpAlloc field, for small size reduction 
and performance improvement.

FossilOrigin-Name: 9a2a230464e4314033e67e602dbd9f554f50ec2eefc7b1a5f05b85249591f7b8
 2026-06-17 19:28:17 +00:00
drh 3dbf444538 Small performance boost in the sqlite3VdbeResolveLabel() routine of the 
code generator.

FossilOrigin-Name: f786f3643e410e862568777ea021afa47c924348e511a83e7e9000cf14bec534
 2026-06-17 18:39:05 +00:00
drh 3f7bf4ef2f Safer conversion from double to 64-bit integer in two places. 
FossilOrigin-Name: 17c444382979b70cdca78e51418366e802b2d41d1156774e5e9693b52542b84c
 2026-06-17 16:57:19 +00:00
drh c9bffdb35e Additional refinements to the large floating-point handling in 
generate_series().  Follow-up to [5aab8c2cde63f9db].

FossilOrigin-Name: 4247c5d9afb162a3e9f334b5121f0df2bfddb916054fa1e6fadb65b1983a7ed8
 2026-06-17 14:53:14 +00:00
drh ffc14a20ad Fix CLI CSV test cases so that they suppress the CR on windows and thus 
work cross-platform.

FossilOrigin-Name: 7a2c96405e365dd2efb3593e0973536d1f87f7183d5442f3bc98ca23310e5530
 2026-06-17 13:52:55 +00:00
drh aa1579de80 Fix the OR-to-IN optimization so that it works in cases where there are 
conflicting collation sequences on the equality constraints within the OR.
[bugs:/info/2026-06-17T05:04:48Z|Bug 2026-06-17T05:04:48Z].

FossilOrigin-Name: 984c9b181801c1de06782335eb049f32d1dc1d5739a7fb9c94630c22159a4f8c
 2026-06-17 13:31:01 +00:00
drh 8227408b6f Typo fix in a comment used to generate documentation. No changes to code. 
[forum:/info/2026-06-16T23:18:50Z|Forum 2026-06-16T23:18:50Z].

FossilOrigin-Name: 7386faef618acb006086d688fcea854a7c555ac1bcfcaa294ea86e964e4ce75f
 2026-06-16 23:59:58 +00:00
drh 9fb225190c Limit VIEW recursion depth to SQLITE_LIMIT_EXPR_DEPTH to prevent 
static overflow in malicious schemas with tens of thousands of
levels of recursive views.
[bugs:/info/2026-06-16T04:21:51Z|Bug 2026-06-16T04:21:51Z]

FossilOrigin-Name: 3f3fb9b638f59ad982beafb7c117f24ddd3da612e62c862510805fa672ffae06
 2026-06-16 13:43:08 +00:00
dan b7c32f2f29 Fix instances of potential buffer overflow caused by loading the contents of a stat4 table with an absurd number of samples in a 32-bit build. Bug [bugs:/info/2026-06-16T11:30:52Z | 2026-06-16T11:30:52Z]. 
FossilOrigin-Name: 0b72246732fecd7909add28f2d95f1727e1c4dc6c8f3b8e6e3482f6d17c92d34
 2026-06-16 11:53:19 +00:00
drh 09c84c70ee Fix a possible call to memcpy() with a NULL source pointer when the size 
parameter is zero (which is technically undefined behavior but in practice
is completely harmless) in the sha1_query() extension function.
[bugs:/info/2026-06-16T07:42:23Z|Bug 2026-06-16T07:42:23Z].

FossilOrigin-Name: 2063926473adaf9619ca10fd47b273ef59b1f77136836d575e5db3cfd68987da
 2026-06-16 09:53:23 +00:00
drh 9a5801af3a Consistent error messages for excess trigger nesting. 
FossilOrigin-Name: 4fb9f2ffb4b45d81c70f561f45cf29a0d5872a612b948882c4a2a14629bcbe28
 2026-06-15 17:39:46 +00:00
dan a0dc22438d Speed up SQL aggregate functions percentile() and median() by using quickselect to find the required values instead of fully sorting the array of values with quicksort. 
FossilOrigin-Name: 0796d337f6a0ef02a460a24eadda20e33e8fb9ec64b696ae1addee69c1bfddeb
 2026-06-15 17:27:05 +00:00
drh f0075cd2e4 New Windows makefile targets for common EXEs that omit the ".exe" suffix, so 
that when muscle memory kicks in and we type "make sqlite3" on windows, it
still works.

FossilOrigin-Name: 1152463a66b47eed27b71e87533e8361b6077dc54ff55b8cd2ccde5cfa8199bd
 2026-06-15 17:14:12 +00:00
dan b348459070 Improve comments in percentSort(). 
FossilOrigin-Name: 9b43500f51ae7b43f0e2cc805bb8c93907eddbd8caf21ee5b5a3d2e795962088
 2026-06-15 17:13:40 +00:00
drh 458dfb94d0 Enhance SQLITE_LIMIT_TRIGGER_DEPTH so that it also limits a chain of 
distinct triggers during code generation.
[bugs:/info/2026-06-15T06:44:07Z|Bug 2026-06-15T06:44:07Z].

FossilOrigin-Name: 0b5378678e3d095ef982bb3b5d5ad05dfb15ce4ee12170b8d0a83fa4b75404c0
 2026-06-15 16:45:35 +00:00
stephan 91a3aa3646 Change the PACKAGE_BUGREPORT config option point to /bugs instead of /forum. 
FossilOrigin-Name: ca15fedede9873b5f72f29f7cd33cba294cd49593999fc952670e2d5ce7ec86e
 2026-06-15 15:48:40 +00:00
dan 1b5bd0edf1 Fix a problem sometimes causing an UPSERT to incorrectly convert an excluded.* column from type REAL to INT in cases where doing so does not cause data loss. Bug [bugs:/info/2026-06-15T09:08:12Z | 2026-06-15T09:08:12Z]. 
FossilOrigin-Name: 71334f7ec95edc91138b51ef6fe455a4a8c1db130484237eb241956bc549aa5c
 2026-06-15 15:38:16 +00:00
drh a2fd301a6a Improvements to handling of inequality constraints on generate_series().value 
against very large floating-point values.
[bugs:/info/2026-06-15T04:37:48Z|Bug 2026-06-15T04:37:48Z].

FossilOrigin-Name: 5aab8c2cde63f9db6b2346c86512efd6297937cad4e1306759b0f448815ad2e0
 2026-06-15 15:27:26 +00:00
drh 53f419e2c8 Additional tweaks and test cases for generate_series() constraints 
using very large floating-point numbers.

FossilOrigin-Name: 50d611404a444f23368c684dfa6dc34b057f8adb45aa058bcf3b2768e908eb3e
 2026-06-15 15:24:37 +00:00
drh 0cdc6432f7 Better behavior for generate_series() in cases where constraints involve 
floating point number that are near the minimum and maximum 64-bit integer
values.

FossilOrigin-Name: 236ef21789c4ebb67a8cf0a841341fab1477a6fe8e88b575e9f450a8f868e618
 2026-06-15 14:16:13 +00:00
dan 667d1b15c1 Avoid a possible buffer overrun in 32-bit builds of fts5 that could occur when processing corrupt records. Bug [bugs:/info/2026-06-14T12:21:15Z | 2026-06-14T12:21:15Z]. 
FossilOrigin-Name: 0fa3345fe4464804f6846c2598774b9e700df39570e81e020de21e06e2ff044d
 2026-06-15 13:39:20 +00:00
stephan b1bbff20a0 Revert the native impl of kvvfs's xOpen() (as distinct from the JS impl which the wasm build uses) to the historical db name restrictions of 'local' or 'session', failing with SQLITE_CANTOPEN if passed another name. [ec866b04d088e53b] overhauled support for kvvfs db names in JS but it turns out that the native impl still relies on those names in order to match journals to databases. Correct a related too-lenient assert() in the WASM pieces. 
FossilOrigin-Name: 4b3ec30c63e3824163a2e6cacceb9630301b61f3ffd2b80f8a7b234f09bc251b
 2026-06-15 12:36:24 +00:00
dan 23e50585eb Fix a problem that could cause fts5 to return incorrect answers when performing prefix queries on tokens with synonyms. Bug [bugs:/info/2026-06-14T11:11:06Z | 2026-06-14T11:11:06Z]. 
FossilOrigin-Name: 323d87541a63f0b2c64271c78ad6ebd5d04220da59aebfdfbc07caa691af816a
 2026-06-15 11:47:52 +00:00
dan b273dc8de1 Regardless of whether the platform is 32 or 64-bits, Use 64-bit arithmetic to calculate buffer sizes in the fts3_snippet(). Bug [bugs:/info/2026-06-14T09:19:52Z | 2026-06-14T09:19:52Z]. 
FossilOrigin-Name: 79dc1949b2171c46f6649743ed7dbbf6b83046901ec18ffcbc37a2a47544b100
 2026-06-15 11:03:13 +00:00
drh 9c2ac0b6e3 Fix rounding behavior in the decimal extension when all leading digits 
are 9 and there is not fractional component.
[bugs:/info/2026-06-15T03:49:42Z|Bug 2026-06-15T03:49:42Z].

FossilOrigin-Name: c6a3b18ee9eb4b8dda57fab94aea9c61aed5e1ffe600f0bcf2c90ca752f2512b
 2026-06-15 10:13:31 +00:00
drh a5e5116228 Prevent array overflow when decoding a corrupted value from the 
underlying key/value store.
[bugs:/info/2026-06-14T21:58:12Z|Bug 2026-06-14T21:58:12Z]

FossilOrigin-Name: 732c8f81b5a914831c36610ddaed3da15a7f9fdbf54f44872e181b941368d702
 2026-06-15 01:24:06 +00:00
drh 5d59375ac8 Remove the unused, untested, experiemental "blobio.c" extension, to 
avoid confusing AIs.
[bugs:/info/2026-06-14T15:12:50Z|Bug 2026-06-14T15:12:50Z]

FossilOrigin-Name: 45918d5e97a0c29c6fa03d09ac8e131dcca3bf4268bf4f5c46c221b1f900651a
 2026-06-14 22:01:56 +00:00
drh 1b828b8770 Do not allow ridiculous "columns=N" values in the (unused) csv virtual 
table in the extensions folder.
[bugs:/info/2026-06-14T15:22:47Z|Bug 2026-06-14T15:22:47Z]

FossilOrigin-Name: ecae4a2ddf103fe575c6864d201e83a9bb084b511685397db41b3349c91b38e6
 2026-06-14 20:10:28 +00:00
dan 36e9e015de Speed up SQL aggregate functions percentile() and median() by avoiding a full sort of the array of arguments. 
FossilOrigin-Name: 9232b5f21d76dc702ccda5c689d61bcd0057fb1f2a4db6a70c607c25ad03a027
 2026-06-13 20:16:54 +00:00
drh d8f6cc7ea4 Make the --header option to the CLI sticky, so that it does not get 
turned off by subsequence --csv or similar mode change options.
[bugs:/info/2026-06-13T11:49:18Z|Bug 2026-06-13T11:49:18Z]

FossilOrigin-Name: b19cef1862444ee694eeea2254aa9a8d74d2343da5a8257c22e3068f388aa2fd
 2026-06-13 18:04:18 +00:00
dan 2884421c05 When reading a super-journal name from a journal file, allocate a new buffer rather than using Pager.pTmpSpace. This prevents a buffer overrun that could occur when using a VFS with a large sqlite3_vfs.mxPathname value with a database with a small page size. 
FossilOrigin-Name: 7f71859841af7cb0806f58e9c8013a990fcca72b807a0513156d7127ce5c7b62
 2026-06-12 18:35:24 +00:00
dan 7459c01689 Fix errors in comments on this branch. Also prefer SQLITE_NOMEM_BKPT to SQLITE_NOMEM. 
FossilOrigin-Name: ac17669e840dbac5c7c75e9b6014cca2d289aba8de36f9d1d0d61186e8cc6207
 2026-06-12 17:32:44 +00:00