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Author SHA1 Message Date
drh
82f62e8324 Fix some #ifdefs so that builds work for all supported compile-time options. 
FossilOrigin-Name: ca7d78f7818b4754fd04ea2b618dee1f01e11c6a5acb54951217c0d03df8e187
 2021-06-15 20:10:25 +00:00
drh
9d82a2ccfe Fix an incorrect ifdef in the previous check-in. 
FossilOrigin-Name: 4b2bb46730393292364b2be7db4e73fc8f93cd5a141aaf04f20fe0119deb5ab3
 2021-06-15 20:07:16 +00:00
drh
f54e79405e Fix some minor #ifdef issues so that all of the supported compile-time 
options continue to build.

FossilOrigin-Name: d8cf407046f20b0398f19acd0dab6acb6c742911e21e1003cb5b194dd668d98e
 2021-06-15 18:46:06 +00:00
drh
17adf4e5a1 Update the "nmakehlp.c" utility program sources associated with the TCL 
Extension Architecture, obtained from
[https://core.tcl-lang.org/sampleextension/file].  Perhaps this new
version will sit better with salmonx's static analyzer
[forum:/forumpost/7f0beca9797ee23a|(ref1)],
[forum:/forumpost/7d5c8b19231ad57f|(ref2)].

FossilOrigin-Name: 603b851d7d923d71543760b09a55d72dbbc185ac9c353c954c331c0454992c80
 2021-06-15 15:36:05 +00:00
drh
a959bf5311 Add NULL checks on all sqlite3_vfs_find(0) calls. This is not strictly 
necessary.  There are no vulnerabilities here.  However, adding these
checks avoids unnecessary static analyzer complaints.
[forum:/forumpost/ce1193be15|Forum post ce1193be15].

FossilOrigin-Name: 272a15b9f418fb0b31a9808f7c42c20cf52318035ff98935d8e8519634357e8d
 2021-06-15 15:15:40 +00:00
drh
972da42749 Prevent an infinite loop in the trim() SQL function if the second argument 
is a carefully malformed UTF8 string.

FossilOrigin-Name: 829343c26ed7b87fafc70de3369625209bad91e79bb7ca2946d5c8d61cc1c3c4
 2021-06-15 14:34:21 +00:00
drh
11e489d6cb Fix typos in testcase() macros from check-in [c09d90eec2a49b94]. 
FossilOrigin-Name: d4d9869c30710914b7ba51221b2c2223a9cf16b913bd6f3866ae747494a116af
 2021-06-14 20:49:33 +00:00
drh
93fd5420d0 In the authorizer, use SQLITE_DROP_INDEX, not SQLITE_DROP_TEMP_INDEX 
when dropping an index in an attached database.

FossilOrigin-Name: e5a5acd6006133c5da4a7dd79726dbaa41c0d60ebeda890f848a6aafe5f9ef70
 2021-06-14 20:41:20 +00:00
dan
ac67f56726 Fix an ALTER TABLE problem with handling infinite loops of CTEs in the database schema. 
FossilOrigin-Name: c09d90eec2a49b948c60971294d146db5c82438855cd3fa48ddc3d2e6b44c26c
 2021-06-14 20:08:48 +00:00
dan
09612a5bb8 Fix a test script problem in corruptN.test. 
FossilOrigin-Name: 3ddfe9ae55e6d0d922fbc209768b2ac4a4792f0f63af9a8fb53d66a4b8f1d94b
 2021-06-14 14:52:27 +00:00
drh
21571a94c1 An index on the expression "likely(X)" should store the true value of X, 
even if X is a real number with no fractional part.  The optimization of
storing some REAL indexed values as INT (see [10d851353c2abead]) should
be omitted for index columns that are expressions.
[forum:/forumpost/3b940c437a|Forum post 3b940c437a].

FossilOrigin-Name: 791473bc6677c2ae76f558082a4b43ca1eaf9895b76624d5b55d58f2af898ff3
 2021-06-14 14:00:09 +00:00
drh
de5f21d0a8 Avoid allocating oversized column names in the sqllimit1.test module. 
FossilOrigin-Name: 7068f1f69b4feef49260e80902e6bdae47c21a0daa16c96ed1a0984dd1f14cdc
 2021-06-14 11:20:30 +00:00
drh
0d08402f34 The opcode that preceeds OP_SeekScan is usually OP_IdxGT but can sometimes 
be OP_IdxGE.  Adjust asserts accordingly.  Follow-up to
[9a2ab6092d644fc3].  dbsqlfuzz e41762333a4d6e90a49e628f488d0873b2dba4c5

FossilOrigin-Name: d6803ed8dc4b1eb4d4dc100728acb4a4aa1479732f0fcb94eb23b7f7702ef65c
 2021-06-13 19:14:14 +00:00
drh
7a7cefa0b8 Improved defense against OOM errors in sqliteInitOne(). 
dbsqlfuzz 429db39cd5777c46479641e8637c48c62890042d

FossilOrigin-Name: b6c57e0e2a9658417a0a5548e73007faa59c837b9ad87293bc216feef980717a
 2021-06-13 17:55:58 +00:00
larrybr
bd0d62c35b Correct link in .ar help. 
FossilOrigin-Name: de9d0f9548106f5a59c57dbf947fc63c0411b1e975033a4c4097cefbbe86ee5f
 2021-06-13 08:23:28 +00:00
drh
a2078e025b The sqlite3WithPush() routine might destroy its second argument if there was 
a prior OOM.  Do not use the second argument of sqlite3WithPush() if this
happens.

FossilOrigin-Name: baa3f96250763b42391fbb4dea283a4b6140fdbf775d85081a9efd6e6258f7b4
 2021-06-12 18:12:59 +00:00
drh
24ce9446a8 This is an alternative approach to the use-after-free problem fixed 
by [193b14a58e378ab3], saved here for historical reference.

FossilOrigin-Name: 6796b7a2485eca279db9d777595a886bc0d1dd7ec9551e1797e0032ef5493559
 2021-06-12 17:45:32 +00:00
drh
35e6cd09f2 Reapply two recent ALTER TABLE error checks that turned out to be necessary 
after all.  dbsqlfuzz fc5a9deefda00dda914748985155a6d4c44174e5.

FossilOrigin-Name: 230fedd923c87741d20caf55f29e8464cc6df344536f9b89331e0a0059a926f7
 2021-06-11 13:18:56 +00:00
drh
cf145047b0 Avoid bugs in some implementations of dlopen() by avoiding calls to 
dlopen() with a filename argument that exceeds FILENAME_MAX bytes.
[forum:/forumpost/08a0d6d9bf|Forum post 08a0d6d9bf].

FossilOrigin-Name: 01f3877c7172d52225705d2461addc6129fe9cdb04e6f643518fc74bb4b526e4
 2021-06-11 12:41:14 +00:00
dan
d03d3a9b74 Fix a crash in new ALTER TABLE code that could follow an OOM. 
FossilOrigin-Name: 6f1f2a0a9cd75ca43b81cc325296b843ccefe6f8040da8f2e873f49928423f10
 2021-06-11 12:14:58 +00:00
dan
6065686d9c Remove an unreachable branch added by the previous commit. 
FossilOrigin-Name: 852ee0e91ceae090157c4ab2805530f5d7985a490ce77f54d7b148f56e466f79
 2021-06-11 12:02:00 +00:00
dan
26d61e5adf Fix problems with ALTER TABLE and schemas that contain views with some recursive CTEs, or CTEs that reference other CTEs. 
FossilOrigin-Name: 8b1f9a51e962cd9a5593a1ecf4da6c86e34c4f9ff96ffcea0fb421880c8836cb
 2021-06-11 11:14:24 +00:00
drh
75016050f3 Improved robustness following OOM in the constant propagation optimization. 
dbsqlfuzz 001a20255c0df7495c21df62a20ea5b51e22c390.

FossilOrigin-Name: 8658a64d414db6900b55281f5e67180ea74b82627199b927634a727ed28030c2
 2021-06-10 14:36:23 +00:00
drh
d622855e34 Set the database connection error code for an oversize argument to 
sqlite3_bind_blob64() or sqlite3_bind_text64().
[forum:/info/a636276f0d451667|Forum post a636276f0d451667] and
[forum/forumpost/33821c8db543c|33821c8db543c].

FossilOrigin-Name: 56ff58c0b8905aa10c85f1418da8d6089d23fd9a220c5cb17027d46affe05002
 2021-06-09 14:45:02 +00:00
dan
8d2a9c3b3a Add defensive code to better handle corrupt records in fts5. 
FossilOrigin-Name: a99c29b5efaf17e34506cda5ce017ec0112b3cb24bf8a2f1831f0c14a8aa8d30
 2021-06-09 13:39:11 +00:00
drh
18f9be897d Remove two assert()s in FTS5 that checks for database corruption right before 
actual code does the same check.
dbsqlfuzz 9680db8f5338cb9b6060eb3a02d984555d4472e3.

FossilOrigin-Name: f3f82967b2e9fd4168d86300138ac4bbcd6ffd7a3ff5ecf20acdc29e5356ac3b
 2021-06-08 23:46:59 +00:00
drh
26ec568d28 Try to avoid a double-free in the showdb utility program when running 
pgidx on a corrupt database.
See [forum:/forumpost/a60ea5a4d4|forum post a60ea5a4d4] for context

FossilOrigin-Name: e3188a866362894d98521b3006fb5b9a63fe4a3bb2ff4f1b58acb6eb4e52da8f
 2021-06-08 17:56:16 +00:00
drh
9025af1603 Add an assert() to prevent the value of the SQLITE_VTABRISK macros from being 
changed in a way that would break logic.

FossilOrigin-Name: 33babdb582ca712cc089165a953972096b57d1cb683954fa830df5e7befaadba
 2021-06-08 12:22:24 +00:00
dan
822810b95a Avoid a buffer overread in fts3 that could occur when handling corrupt data structures. 
FossilOrigin-Name: 45f459d2fa4be97d9bbb970efbc0b5d40efaf93f52ed111fd0fcdc572c24327b
 2021-06-08 12:15:56 +00:00
dan
bc85a51595 Fix a buffer overread that could occur in fts5 when handling corrupt records. 
FossilOrigin-Name: 078962a2164a784b135bacee51ef10973dc2e30de04353d48698d0e72edd63d8
 2021-06-07 17:36:57 +00:00
dan
ec73546103 Fix a buffer overrun in fts3 that could occur when handling corrupt records and '^' queries. 
FossilOrigin-Name: 9d0b6b0f42a47a3892ebc765250756fb8b844e8399d992a8b65f55af3800ea06
 2021-06-07 15:28:33 +00:00
drh
09c69fc1b3 Add recent dbsqlfuzz test cases to test/fuzzdata8.db. 
FossilOrigin-Name: 162022003c2b4a393296939e2616bd3c7bbfd65b198ba6c9894e4234de2d3122
 2021-06-07 14:21:03 +00:00
drh
ccf0bb49bb Avoid use of uninitialized memory while running defragmentPage() on a 
corrupt database file.
dbsqlfuzz 4c45cecc0b255aaf2ea85453ccd17e814fd0b6b2

FossilOrigin-Name: 35e40d75754ec6fb93fe57c6ecbe731104e77c997d7e17ef1a22984837dfcab2
 2021-06-07 13:50:36 +00:00
drh
fe972341a5 Fix an assert() in the OP_ParseSchema opcode that might fail on a corrupt 
database file when running with PRAGMA writable_schema=ON.
dbsqlfuzz e7d743ca65f2767e415095f0c5a49166a0f55eea.

FossilOrigin-Name: 10801f65af495a999ef61741322ea82dc20bd92ea8e55e4016c409096f38b0d1
 2021-06-07 11:50:23 +00:00
drh
9a4127a8c1 Remove unnecessary end-of-line whitespace from the regexp.c extension. 
FossilOrigin-Name: 17e26a1f5e3cc4e96b9265dcdbf54f376304b0908f3ff0a0d3df33653e77e5b6
 2021-06-07 00:54:38 +00:00
drh
9ae57841d0 Omit the unnecessary highlighting of the security implications of 
SQLTIE_DIRECTONLY in the sqlite3_create_function() documentation.
No changes to code.

FossilOrigin-Name: 2aa9368b63b42ac7c700516f109edcc6098c12b850eae591afed4e51a3f41819
 2021-06-07 00:41:18 +00:00
drh
06258a4260 A better fix for the problem addressed by [4eb80b0cc61526c1]. This fix 
also avoids reading uninitialized variables.

FossilOrigin-Name: 1c71de43dbc68002c4a6229e7efffb019655baff67a51fe922571fe420c95835
 2021-06-04 23:26:56 +00:00
larrybr
e427fe5210 Make MSVC build examples work when taken literally, and say when they do. 
FossilOrigin-Name: b53ca8ed8336d9e442a920e1c05a17a38dadc2fd1e0cb73e68d380ef34c87af8
 2021-06-04 21:46:29 +00:00
drh
946b65793c Improvements to the OP_SeekScan optimization. Added the 
SQLITE_TESTCTRL_TUNE test-control.

FossilOrigin-Name: 9a2ab6092d644fc3effc4ab4aca33efb2b4dd4213b2154d518a3e87eec4d3983
 2021-06-04 17:47:08 +00:00
drh
50dce5e82f Add the (missing) dependency of regexp.c to the shell.c rule in the makefiles. 
This dependency should have been added by [5d4535bfb603d7c8] but was missed.

FossilOrigin-Name: c93be7e66039e4c27b86f49d29f5c653cc6c02f6cbc6ad02d8bb1d32d0240863
 2021-06-04 16:17:38 +00:00
drh
abc15f1b9a Fix harmless compiler warnings. 
FossilOrigin-Name: 83aca2d8704e51eeed5652b1506c6fc883c0397728cda456f229369788b8608a
 2021-06-04 16:11:19 +00:00
drh
9718bca77f Fix more cases in the regexp extension where the 0x00 terminator at the end 
of the input string is being pattern matched.
[forum/forumpost/9104f0d9e7|Forum post 9104f0d9e7].

FossilOrigin-Name: 569e00d4acd426667990d675ca5da48a1859ac84af2412464ecd29c7c5da828c
 2021-06-04 15:56:43 +00:00
drh
2d26cfcc4a Revamp SQLITE_TESTCTRL_TUNE to provide visibility of current turning 
parameter values.

FossilOrigin-Name: 677e645e69e1f06487c26da6671fc03f0fb89a0f8e0d35712e6bdcf7279bdfc4
 2021-06-04 13:40:26 +00:00
drh
f3c1256a4d Add support for SQLITE_TESTCTRL_TUNE and the ".testctrl tune ID VALUE" command 
in the CLI.

FossilOrigin-Name: f1199d58b9cfdcddb83bc35544ce38299ac4ed50d7ab90d33463f6ccce526feb
 2021-06-04 13:16:46 +00:00
drh
2540a7482a Merge recent trunk enchancements into the seekscan-improvements branch. 
FossilOrigin-Name: d9e85fe80cdd3d798a583a5f99148235d0c3f39adfabbc661615893c387e6e45
 2021-06-04 12:29:22 +00:00
dan
19e4eefbca Fix a case where combining row-value UPDATE FROM syntax with window functions over aggregates can cause an error. 
FossilOrigin-Name: 4a587c3492faa99490fd67ca1de9fceafcdc12d220f42817791923be258b73f1
 2021-06-03 18:56:42 +00:00
drh
a6df0e693f Fix the truncate optimization so that PRAGMA count_changes and changes() 
return correct values even for a WITHOUT ROWID table.
[forum:/forumpost/07dedbf9a1|Forum post 07dedbf9a1].

FossilOrigin-Name: 820ae3b117c2d8c117c0c5a4e440a7d06886772516c7fc0a84606388f91be195
 2021-06-03 18:51:51 +00:00
drh
6468990e7b Add the regexp() and regexpi() extension functions to the CLI. 
FossilOrigin-Name: 5d4535bfb603d7c8229ef60f99666459f2997e02e186bc1e52b7ec1320251d67
 2021-06-03 13:51:31 +00:00
drh
de30a3d2e1 Fix a bug in the regexp extension in which the "." wildcard would match 
the 0x00 terminator at the end of the comparison string.

FossilOrigin-Name: fa23108b299fc70e80540c449500e50ac6344a152f4f6b9c1b1f568bbda8f6e1
 2021-06-03 13:44:19 +00:00
drh
75f7317722 Fix the case-insensitive version of the regexp() function so that it does not 
use the prefix optimization incorrectly.
[forum:/forumpost/983b43ef8e|Forum post 983b43ef8e].

FossilOrigin-Name: 1a8e43cc1b7969c40140dd7fd481d5ffd9de80e214eb494567c286d93a2b06e5
 2021-06-03 12:31:08 +00:00