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3765c03243
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22840 Commits

Author SHA1 Message Date
drh
3765c03243 Further improvements to the handling of RETURNING clauses on changes 
to TEMP tables with triggers.
dbsqlfuzz 683913e98f54fe4f14e8dd11a48011f73bdca58d

FossilOrigin-Name: ff3538ae37a02f4f36a15cddd1245171e724aac9c84b2e576980fd3806302775
 2021-04-27 17:18:10 +00:00
drh
a476768340 RETURNING bug fix: Correctly deal with RETURNING statements on changes to 
TEMP tables that also have triggers.
dbsqlfuzz 78b9400770ef8cc7d9427dfba26f4fcf46ea7dc2

FossilOrigin-Name: d0b15eccbfe1e50c3daf7b2fd4769a52bba35d553b07e462ca3f5f22df6742fd
 2021-04-27 13:04:18 +00:00
dan
a4cd0bbcb3 Fix a segfault that could occur when querying a corrupt data structures with an fts5token table. 
FossilOrigin-Name: cbedfa05501f3eb9750fb21e2ab8516f8f14c479c847f454e52572af278aab71
 2021-04-27 11:28:57 +00:00
drh
2f40dc9884 Better error messages on showdb. 
FossilOrigin-Name: 7e18e114b245d17aa259ea9ab42752ccc9ad5303bbac8d8e46928dd10319f545
 2021-04-27 00:05:03 +00:00
drh
19a7f72ce2 Improved robustness of the "showdb" debugging program when it is parsing 
corrupt database files.

FossilOrigin-Name: 3eabac2ee50fd70b22a927d3d2934718a15e1f666d8d271b854579156c8b01de
 2021-04-26 23:57:02 +00:00
drh
d8bc250b91 New dbsqlfuzz cases added to test/fuzzdata8.db. 
FossilOrigin-Name: 88d20500c516fe89ad1cd42f7366ca190c3790f911f11ab332b86b675f5f69ba
 2021-04-26 22:30:49 +00:00
drh
c7f5077e88 Fix the [/info/df1d6482f9e92daf|UNION ALL flattener optimization] so that it 
works better with recursive CTEs.
dbsqlfuzz 88ed5c66789fced139d148aed823cba7c0926dd7

FossilOrigin-Name: f80d7bb2c305c1dd4658767660b33259032c048a91f18c654a6bda7332c54a0c
 2021-04-26 21:23:01 +00:00
drh
feef447271 Add ALWAYS() to branches that are no longer reachable due to recent 
enhancements.

FossilOrigin-Name: 63c50fbdeed831ba450d1dce67e968a7daa2b69ac1270eb271fb1e1873d4a07e
 2021-04-26 21:00:51 +00:00
larrybr
ada2323d95 refix altertab.test 
FossilOrigin-Name: db032156932fb0dcae5ffb7cbdfb711079daa595713fcb254f09f8ef90c81d95
 2021-04-26 20:18:08 +00:00
dan
f0ac29090b Fix a problem that could cause a crash in sqlite3BtreeDelete() when operating on a corrupt database file. 
FossilOrigin-Name: 6c6334660dfe81cc33a14b87b25d748b1c98b0702b7bc6db2e3ced16dc992740
 2021-04-26 15:32:36 +00:00
drh
3c6edc8a11 More aggressive detection of OOM errors in resolveAlias(). 
dbsqlfuzz 7f96832c2ef7ee472022ed805b064e55e41094b2

FossilOrigin-Name: e99faf4f82746761c389e24db1b00ee94b9f849e7bcb29517fa0ca10290afc41
 2021-04-26 15:28:06 +00:00
drh
8ed8ddf759 When doing the optimization that attempts to avoid sorting on a 
GROUP BY, do not assume that the values in an index on an expression are
non-NULL.  Bug discovered by Wang Ke's fuzzer and reported at
[forum:/forumpost/74330094d8|forum post 74330094d8].

FossilOrigin-Name: 7178dc3a32c3a4a33e437fd5026f6f72e4809ceb7d2cd12a25a74b80d5c95d33
 2021-04-26 14:32:48 +00:00
dan
bb0eec438d Do not initialize eponymous virtual tables when parsing the schema. This can happen if the db is corrupt. 
FossilOrigin-Name: cb8c41aa20bb351c4c712ed7a3617187ceeb0905ede1e6f561bc1d89f31c95ea
 2021-04-26 14:09:48 +00:00
larrybr
3ff6a5edd9 Skip test when no JSON. 
FossilOrigin-Name: 6fcb2438f88a70ed67e19103bfa263a6c98b06962207f153559c9516d8c7b5d5
 2021-04-25 23:13:04 +00:00
drh
113a33c539 Make window range queries more robust against corrupt database files. 
dbsqlfuzz f22df3a7b2aab0937a415484514fc2f68a293c99.

FossilOrigin-Name: 506333742103c1f440db5da819a36f3b518f7b49e94a7b74419b02bbcadc5a78
 2021-04-24 23:40:05 +00:00
drh
ba9ebc2d12 Treat byte-order marks (BOMs) at the start of a token as whitespace. 
This enhancement is inspired by
[forum:/forumpost/ed8f696a20|forum post ed8f696a20].

FossilOrigin-Name: 3d55c21c167631f42d155aadec544e629bd078de9992aa5a74694d08bc52052b
 2021-04-24 12:24:08 +00:00
drh
971ae9f66a Fix testcase altertab-25.1 due to check-in [c7909e8e0d0577c6] disallowing 
ALTER TABLE on eponymous virtual tables.

FossilOrigin-Name: 32255e39cbde65492d88177464cee9e10cb20cf3105208416be131e2c89b63e1
 2021-04-24 12:20:10 +00:00
drh
1521270010 Fix harmless compiler warnings in fuzzcheck. 
FossilOrigin-Name: e7b4ffecc610c494ebd506977402ec48cc799780f96c6293c0ccf27697160aa1
 2021-04-23 13:57:53 +00:00
drh
ba6619d7be Enhance the --load-dbsql and related options of fuzzcheck so that if the 
argument is a single - then filenames are read from standard input.

FossilOrigin-Name: e1548802b6de7037baf388d27a7f3658abafe07b6f48d5ec97e5f644303592d8
 2021-04-23 12:58:16 +00:00
drh
292ed6decf Give a better final output line for the --spinner option on fuzzcheck. 
FossilOrigin-Name: 93729614e21ee674b83b0d2babb71bb758f1a2ec55bf9bda057fb7739f2e14e0
 2021-04-23 12:16:16 +00:00
drh
d84f10ed13 New dbsqlfuzz cases added to test/fuzzdata8.db. 
FossilOrigin-Name: 8da88508932e475c8c6af1553268ff02e3e013b78ccc94b14532ec928fc62537
 2021-04-23 11:50:23 +00:00
dan
f3d5a68461 Fix an assert() in fts5_index.c that may fail if the database records are corrupt. 
FossilOrigin-Name: dfadb96edfef1d49e48a659264b9eb8d7f98d95d159d95c92c30dd4ba6c6e739
 2021-04-23 11:37:01 +00:00
drh
7a04e296f3 Improved OOM detection in sqlite3ExprCheckIN(). 
dbsqlfuzz 46ae2d8f473ac672f3042cc14ab67aeab9ffa6c2

FossilOrigin-Name: fac12115a994a1b4347586e68faf38895ee9cb588eaa84c6f71cf9afd4c488b4
 2021-04-23 00:59:38 +00:00
drh
eca3c67b1c Change a memcpy() into a memmove() to prevent a warning about overlapping 
regions passed to memcpy() in case of some obscure and unlikely database
corruption.

FossilOrigin-Name: bab132cbd18a529389a0315e60f30ccf1b565823116e0ec9b4f7684db1914c80
 2021-04-22 20:01:02 +00:00
drh
214b50314a Fix harmless compiler warnings of unused function parameters in FTS5. 
FossilOrigin-Name: 14273915979f8fbf80111e795b5511a6ee24638896b9d434d6ccf4bf7f7a7f62
 2021-04-22 19:34:31 +00:00
dan
743b5fd589 Further tweaks for comments in sqlite3session.h. 
FossilOrigin-Name: 553ada28f356d773c145b502163d766285e73fd4f64dc05f98e3e43ade806331
 2021-04-22 18:52:36 +00:00
dan
9ad39a33ff Change to comments in sqlite3session.h. No changes to code. 
FossilOrigin-Name: 353ebb71c4113a35a92011c72f9c1d6c56f3bf681d94426a6a73e40f219ff2f4
 2021-04-22 18:39:02 +00:00
drh
3d8c92d041 Raise an error on an attempt to rename an eponymous virtual table. 
FossilOrigin-Name: c7909e8e0d0577c6109f13c0b14fb565239aae8af8963d659f363e124f3437fc
 2021-04-22 18:02:48 +00:00
dan
a5b51b8715 Add the experimental sqlite3session_changeset_size() API. 
FossilOrigin-Name: 3de544d495fee553d95fde3fb656745d633138115d25ed39760a1ea7c8c3fae6
 2021-04-22 17:55:42 +00:00
dan
6d29a4fe5b Add the sqlite3session_object_config() API. Current used to enable/disable collecting data for sqlite3session_changeset_size(). 
FossilOrigin-Name: 4d5fd2151e024d11289b6c4fbce2996d8d07b2b5a1c953ef895c237e79d3aa55
 2021-04-22 17:40:28 +00:00
drh
65b930553d Improved handling of errors in ALTER TABLE RENAME. 
dbsqlfuzz 3e3e2e076e53d02288f80af41a11143a6ddf8c88

FossilOrigin-Name: 9c7a449f52a391506ebf4a8efa4ff27e6e97bd8da4b300a5c0dd942a209fe474
 2021-04-22 16:54:34 +00:00
drh
68b63c0195 Fix the date/time translation logic in the zipfile extension so that it 
works with boundary cases. See
[forum:/forumpost/d82289d69f|forum post d82289d69f] for the trouble report.

FossilOrigin-Name: c8de5f061359c174e143e5e81ade8aa9b7d71ba57287459cf0f4f2c94459c345
 2021-04-22 14:43:16 +00:00
drh
1da9c97bc0 Ensure that the typedefs for specific-length integers in zipfile.c are 
correct.

FossilOrigin-Name: f1f2a49007e938ea7a00dda6f8898b1cd38525c0de1e1cac00a7aebcd7b625f5
 2021-04-22 13:59:54 +00:00
drh
824043150f In the whereLoopXfer() routine, ensure that the destination is fully 
initialized even if an OOM error occurs.

FossilOrigin-Name: c4258708c08c5b1956052f9febbf22c1e94c8352a25059063746921d2cc373b7
 2021-04-22 12:38:30 +00:00
drh
31536304a5 The new OP_Null opcode from check-in [8b54102a00852b72] was not coded 
correctly.  This check-in attempts to fix that.

FossilOrigin-Name: 02af30aab24878c4382a8863512b816889400104549b51df6a632767fee48d04
 2021-04-21 23:13:26 +00:00
dan
a23a873fbb Add the experimental sqlite3session_changeset_size() API. 
FossilOrigin-Name: b5564a6fd54875db1de884fdc0e5eeabcd6aa5595ad03a8a60843503e830a2d8
 2021-04-21 20:52:17 +00:00
drh
7437c25b63 Add recent dbsqlfuzz test cases to test/fuzzdata8.db. 
FossilOrigin-Name: 6fe50dcc239d2d1fc2a38aa705f4c75cbe26b3e48d098537306d96d6a4005659
 2021-04-21 12:03:36 +00:00
drh
f02b5ad69d Initialize the key registers in the skip-scan optimization to NULL, in case 
the query is run on a corrupt database that causes the initialization of the
key to be bypassed.
dbsqlfuzz 62fdf2bece00d24cac8a4edf2cf562e6eeac779d

FossilOrigin-Name: 8b54102a00852b72783b5b2f336c7a093adbdc8e1b94d46b7d315ae6e5d9476b
 2021-04-21 11:58:45 +00:00
dan
fe599b05f2 Fix a problem allowing SQL variables to be used expressions within the second and subsequent ON CONFLICT clauses of an UPSERT within a trigger. 
FossilOrigin-Name: 2a28910a17dc5b3ce43062fdf879f9622f6ec2db19ed780fa7fe5cae781be7b7
 2021-04-21 11:32:22 +00:00
drh
935ad98d60 Remove a testcase() that is no longer relevant due to the previous check-in. 
FossilOrigin-Name: ca70c8ac72c9fe3b92f8e63151229bebdccc769c5c4d603ad4f466dc4bcd11e0
 2021-04-20 22:48:25 +00:00
drh
8cae5a4a47 More aggressive detection of database corruption in the rebuildPage() routine. 
FossilOrigin-Name: a18c65068b16eae3c0725356d7f4775774b23e248c700cef8c15f23459fba68f
 2021-04-20 20:48:15 +00:00
dan
5b482a9832 Update an assert() in btree.c that may fail with a corrupt database. 
FossilOrigin-Name: d74bf88c5a027cf080a2892a3538fe5104952b5b3759a6eba1b1a98a75ddf5f4
 2021-04-20 13:31:51 +00:00
drh
9da977f1a5 In the sqlite3SelectDup() routine, do not do an incomplete duplication due 
to OOM.  This in turn requires several new NEVER() and ALWAYS() macros for
unreachable branches.

FossilOrigin-Name: a61c0e6b78bd39f55464fafd257e68effded64995a66e8fa2d686e8c507ebe43
 2021-04-20 12:14:12 +00:00
drh
8c6cb1bc6f Improvement to check-in [d564d8882ef18b55] to detect the OOM fault even 
if it occurs deep down inside the duplicated expression.

FossilOrigin-Name: 3e863cd09355abd80c1053d6d4dabb55841f806e3c418f923d67d36bf8313cb0
 2021-04-19 20:36:13 +00:00
drh
5e8e7464d0 An improvement to check-in [1a341378ab24a509] that omits the new 
Walker.bWalkWinDefn boolean (which is not always initialized) and uses
a special value for xSelectCallback2 instead.

FossilOrigin-Name: bef2238de9550de84d4cd1c970a542b43db288d73d09a3c3ced7f98bb3188fd3
 2021-04-19 19:59:16 +00:00
drh
1bb89e9cc8 Ensure that a WITHOUT ROWID table does not have the .iPKey field set, even if 
an OOM error occurs while parsing a schema in PRAGMA writable_schema=ON mode.
Add extra assert() statements to triple-check that this never happens.
dbsqlfuzz 803bb1f63d6f3bd6c14db568494d6e96be8f1ec9.

FossilOrigin-Name: 41228350a620a7de1ee748a4e19a96749c4d39418853fe8b68c43cf401dbd7cd
 2021-04-19 18:03:52 +00:00
dan
6a4f7f0225 Remove fts5 test functions fts5_expr(), fts5_expr_tcl(), fts5_isalnum() and fts5_fold() from release builds. 
FossilOrigin-Name: c68a6c6c898d2acd1f7032ff98f8f3f99eb0b37ffbc6ee88d0dd7badf55a0e0a
 2021-04-19 16:45:09 +00:00
drh
60b95335e2 In the query flattener, avoid invalidating an expression if an OOM occurs. 
This prevents problems in higher-level routines that might not check for
the OOM after processing a subquery.
dbsqlfuzz fb70fa8602421f87673e0670b0712ff2b5240ea0

FossilOrigin-Name: d564d8882ef18b55ebf93e838426b485281c7ebe3a9b321a2f984ed0f229cc25
 2021-04-19 15:05:27 +00:00
dan
0a746cc528 Ensure that all records are updated by setting the OPFLAG_SAVEPOSITION flag when updating records as part of ALTER TABLE DROP COLUMN. 
FossilOrigin-Name: 354a4db5cb769c6aed386f43ee26d7e42342e92f781eef100c09751dc5b51751
 2021-04-18 05:30:39 +00:00
dan
3c6fbd6dd9 Remove a couple of NEVER() macros from the code for walking window lists. 
FossilOrigin-Name: 4ec9ef4bcd12bd9ba5e1a2424f75479070d12c25f1272548c6cf3f89be826b8c
 2021-04-17 20:13:53 +00:00