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tcl-init
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1674 Commits

Author SHA1 Message Date
dan
861fb1e9dc Block on the WRITER lock when attempting to run recovery. 
FossilOrigin-Name: 105d6c9bbcadc64faa2b24e315cb13227b17cfc6bf1b3512713f80ce56976a3d
 2020-05-06 19:14:41 +00:00
dan
293e9f5d6c Merge latest trunk changes into this branch. 
FossilOrigin-Name: a3727dba10b476f414f0a049b35f2a5c169a408eccefa6833821560684e07f8b
 2020-05-06 15:07:25 +00:00
dan
58021b237a Unless upgrading an existing read transaction, have ENABLE_SETLK_TIMEOUT builds attempt to use a blocking lock when opening a write transaction on a wal mode database. 
FossilOrigin-Name: d6f819a9e6b35f3fd558bd93255a6a24ad690a0fa15a82b009ca9c641db983c6
 2020-05-05 20:30:07 +00:00
drh
fde2592503 The only known path to a corruption detection branch was cut off by the 
previous commit implementing earlier index corruption.  So make the branch
NEVER.  Maybe a fuzzer will find a new path.

FossilOrigin-Name: 9a84d8eb44b12ddea921baa73ac3bffa8c8d23a852605dc1dbde37907360bd79
 2020-05-05 19:54:02 +00:00
dan
8714de97c0 Changes to avoid deadlock in SQLITE_ENABLE_SETLK_TIMEOUT builds. 
FossilOrigin-Name: 553423c23142cf0ec219192315d57ce8a0e10c3d8678d28bc110a1a9a7c17cee
 2020-05-04 19:42:35 +00:00
drh
e754830eae Merge recent trunk enhancements. 
FossilOrigin-Name: 2100b2c8f339e9778723fa0c91e479bab8675cf6fbea1664b6af49f40db6d27b
 2020-05-01 15:04:13 +00:00
drh
4d34766f4e Clarify the comment on the sqlite3BtreeGetRequestedReserve() routine. 
No changes to code.

FossilOrigin-Name: 52a6acca6d5d376308d354c02f4d676d9375c34c3841d7b1941196ee8b4e2511
 2020-04-22 00:50:21 +00:00
drh
45248de39a The SQLITE_TESTCTRL_RESERVE operator is removed. In its place is the 
more generate SQLITE_FCNTL_RESERVE_BYTES which is an API and which can
operator on more than just the main schema.

FossilOrigin-Name: abc1aad74f7b6a1e72fb09936239f2224aa942d16296c6a3de0b8daef4bc8471
 2020-04-20 15:18:43 +00:00
drh
871f45441c Remove an obsolete comment. No changes to code. 
FossilOrigin-Name: 4135cb024456288d9c85aef5fb572dbb591527dd33d9a60ca5946b712c269941
 2020-04-20 14:05:54 +00:00
drh
dcdd707a9c Merge recent enhancements from trunk. 
FossilOrigin-Name: c705ce266ad25af71791035590875f0ea9f2c72826b3eda17f065d2bf091de92
 2020-03-31 18:41:21 +00:00
dan
892edb69c4 Use __atomic_load_n() and __atomic_store_n() for a few more things where they are available. 
FossilOrigin-Name: a49f8ec552bede7da731e0571ccf49de1a30e7be3a5673150436c8b411ba6ffc
 2020-03-30 13:35:05 +00:00
drh
e50478d727 Remove the SQLITE_OMIT_BTREECOUNT option. Btree count is required. 
FossilOrigin-Name: a9bfa47aeea27e91611ba913d33e6635d2016e2c2ab78f9b0657f1bd8933e1a8
 2020-03-17 13:41:51 +00:00
pdr
db9cb17dc7 Avoid a redundant NULL check 
FossilOrigin-Name: 25dc53f6608dd9b8b4e8d8ee22e194a6d41d15811781752797cb42fc22ee1317
 2020-03-08 13:33:58 +00:00
drh
4b9e736898 Remove a NEVER() macro and add a test case to cause its argument to be true. 
FossilOrigin-Name: ee034fe916448e953ee7824e5c0db99a36a0ad138ebfb25f751bf84cb80a8fa7
 2020-02-18 23:58:58 +00:00
drh
b48c0d59fa Simplify the code by removing the unsupported and undocumented 
SQLITE_HAS_CODEC compile-time option

FossilOrigin-Name: 5a877221ce90e7523059353a68650c5fdd28ed032807afc2f10afbfbf864bdfe
 2020-02-07 01:12:53 +00:00
drh
48118e4060 Remove a NEVER() that is in fact reachable. Test cases in dbsqlfuzz and TH3. 
FossilOrigin-Name: ffd8bb9351fbd8c1285491d4e10734f6816689de6042d640c178a5ecda75a5ef
 2020-01-29 13:50:11 +00:00
drh
05e8c5407f Remove an ALWAYS on a branch for improved database corruption detection 
in btree.c:freeSpace().  Test case found by dbsqlfuzz.

FossilOrigin-Name: 54bf04811951db6c894f272f870e3e41f8f5e05a25c1115efbbdbd0d8bba54be
 2020-01-14 16:39:54 +00:00
drh
406dfcb843 Fix a performance regression caused by the previous check-in. 
FossilOrigin-Name: d7d98d3dff2f0e0cfa5bb8be8e5fd2af5ab470be399eafe3d77b23ee1262f70d
 2020-01-07 18:10:01 +00:00
drh
42925d1f1a Add an "|| CORRUPT_DB" term to an assert() statement inside of btree. 
FossilOrigin-Name: 03c1d75ddc063469fc856114595bd12d21759fe0979ce1ba1cf52e48e6b0d4a1
 2020-01-07 13:32:15 +00:00
drh
628b1a3f9e Remove a NEVER in btree due to a new test case from dbsqlfuzz. 
FossilOrigin-Name: 46f8ef70fb8b3ae00cc081b280f3dff38b1d0f1b52a8f4477ec89dec32e4d813
 2020-01-05 21:53:15 +00:00
drh
64f7ee0219 Remove another NEVER added by check-in [7b62555e285f32d3]. 
Dbsqlfuzz found another test case.

FossilOrigin-Name: 481f4956aff52797880930752693a8c0b10d7fdd71d86919fe8ee13c90ad5b81
 2020-01-04 17:55:01 +00:00
drh
b2b61bb61f Back out another NEVER added by check-in [7b62555e285f32d3] - the test case 
was already in test/fuzzdata3.db, but it only occurs if compiled without
SQLITE_ENABLE_PREUPDATE_HOOK.

FossilOrigin-Name: 61f873b14c2c835f3d10b018b357cb8b1f041e97e05709d7ab5a8055e5e05349
 2020-01-04 14:50:06 +00:00
drh
e5cf3e990a Restore a NEVER and an assert in btree that was removed by 
check-in [7b62555e285f32d3].  Dbsqlfuzz found test cases.

FossilOrigin-Name: 04a05c83f58784df438dc6614f7920f782bf7c1ed4f6d101c03b6573cfde06ee
 2020-01-04 12:34:44 +00:00
drh
3b76c45a7f Add NEVER macros to error-detection branches that were made unreachable 
(as far as I can tell) by check-in [ceacc28b03580334].

FossilOrigin-Name: 7b62555e285f32d354df7746ef8dce16856c6d9d53a02d895b74ba02362d2968
 2020-01-03 17:40:30 +00:00
dan
9a20ea9b5b Improve a specific case of early database corruption dectecion in the b-tree layer. 
FossilOrigin-Name: ceacc28b035803342764f9b696c1e80edcd259b87ea4fb46f92963d6cb33de3e
 2020-01-03 15:51:23 +00:00
drh
7b14b65d20 Do not allow triggers that run as part of REPLACE conflict resolution 
during an UPDATE to modify the the table being updated.  Otherwise, those
triggers might delete content out from under the update operation, leading
to all kinds of problems.  Ticket [314cc133e5ada126]

FossilOrigin-Name: db4b7e1dc399c1f16b827ac087aa37c0815f4b2f41f1ffad59963eead2ab5562
 2019-12-29 22:08:20 +00:00
drh
be3da24134 Add the OP_FinishSeek opcode which completes an OP_DeferredSeek if the seek 
has not already completed.  Also add the sqlite3WhereUsesDeferredSeek()
interface to the query planner.  The UPDATE implementation adds an
OP_FinishSeek before running the final OP_Insert if one is needed.
Ticket [ec8abb025e78f40c] and also an assertion fault reported by Yongheng.

FossilOrigin-Name: 21ef6e99331210b80fa7c71b4f02e8f768a748d01aef884368af2f6b51a067e0
 2019-12-29 00:52:41 +00:00
drh
a2d50283db Early detection of database corruption in balance_deeper(). 
FossilOrigin-Name: 61c2233654158e65a3d3baeea947903a919a569fcc4a5b342b2e9a68cec1b6f3
 2019-12-23 18:02:15 +00:00
drh
0e5ce8029d Fix an assert() in btree.c that can fail if an INSERT is attempted on 
a corrupted database while in PRAGMA writable_schema=ON.

FossilOrigin-Name: 07beb3629e648e7feae4e786191514339ac1d8f6ba5bb6e7cc8a04bc1f1cd6ab
 2019-12-20 12:33:17 +00:00
drh
c398c65bee Revise the SQLITE_OPEN_NOFOLLOW so that it actually uses O_NOFOLLOW in the 
open() system call.  This backs out the SQLITE_ACCESS_SYMLINK value but adds
the new SQLITE_OK_SYMLINK return code from the xFullPathname method of 
sqlite3_vfs when that routine resolves symbolic links. O_NOFOLLOW is always
included in open() system calls for journal files.

FossilOrigin-Name: 6a64fb6a2da6c98f1e87b55ad5689967e1db4eae2e08345471d95e28cd567e0f
 2019-11-22 00:42:01 +00:00
drh
ac801803a5 Fix an assert that can fail if the schema is corrupt. 
FossilOrigin-Name: ed57c48e4bb337810521bda2da79614313e4835a317ca4eadb52bd67e4eadf98
 2019-11-17 11:47:50 +00:00
drh
db561bceda Performance optimization in sqlite3BtreeCursor(). 
FossilOrigin-Name: ea068b099c96b8b9526114732d2a6be186cf381b7329d102778ad25b95510c9e
 2019-10-25 14:46:05 +00:00
drh
21f6daa2cd Faster response to sqlite3_interrupt() in the OP_IntegrityCk and OP_Count 
opcodes.

FossilOrigin-Name: bf875dc59909f9c22f7c1fc843bc4d9e5d97af5cb4ef43c4fa1d566ddfdeaacb
 2019-10-11 14:21:48 +00:00
dan
666a42ffb3 Minor performance improvement for balance_nonroot(). 
FossilOrigin-Name: d7434cae3edc321e2f1f8d340a0e656b1613b736f8400fb271a0e80f59401b9e
 2019-08-24 21:02:47 +00:00
drh
27e80a3b68 Ensure that the cell overwrite optimization does not overwrite the header 
of the b-tree page.

FossilOrigin-Name: 4cc5694cbd69749c146679c367860952fdf3f5356426ddfd1dce470569702bc1
 2019-08-15 13:17:49 +00:00
drh
b9fc45534d Early detection out-of-bounds page numbers on the direct-overflow-read 
optimization gives consistent error messages regardless of whether or not
the optimization is enabled.

FossilOrigin-Name: b517a52fa36df0a0854a75858b5e81861771d2e9032a5a0ad79aa76ae64130a2
 2019-08-15 00:04:44 +00:00
drh
554a19dbee Make sure the btree cursor overflow cache is cleared when overwriting 
a cell in sqlite3BtreeInsert().  Ticket [3cf9bb227e9a5d32]

FossilOrigin-Name: 7dae7b969ed314605a3a2da2cfdce4d81152740f5d3bfbc2a6e311b13ee325a7
 2019-08-12 18:26:46 +00:00
drh
1c269a9ff8 Remove a NEVER() that is reachable from a corrupt database. 
FossilOrigin-Name: 30e6ee27a9fb78291c324ac9b80db4579280140430804ecd4692e312f9938525
 2019-08-08 01:39:07 +00:00
drh
2b96b6969a Improved detection of corruption on the freeblock list of a btree page. 
FossilOrigin-Name: 4b00799bdf107fce8a9dd84fd5bf6597e4f3373659b89aae4a1242be5964726f
 2019-08-05 16:22:20 +00:00
drh
2e6d83bc49 Give the SQLITE_TESTCTRL_PRNG_SEED two arguments. The second argument if not 
NULL is a pointer to a database connection which seeds the connection from
its schema cookie.  In this way, fuzzers can control the PRNG seed.

FossilOrigin-Name: 49aa34480622cce4d7a72c59d9cfa8336886387acec8ee15b72f295ea1a52d8c
 2019-08-03 01:39:20 +00:00
drh
9378818d89 Do not use the insert-overwrite optimization if the cell might overwrite the 
page header.

FossilOrigin-Name: f60a83069168899dcfd706b4d0901084c7ce92d85277950317e962a8a98ec668
 2019-07-22 23:24:01 +00:00
drh
996f5ccb33 Fix an incorrect assert() in balance_nonroot(). 
FossilOrigin-Name: 59c9e73f86b89ee17b0bce47bcb93f5b5ace5b7985678287195002afb9d40cd8
 2019-07-17 16:18:01 +00:00
drh
55f66b341a Add new assert() statements in an attempt to help static analyzers avoid 
false-positives.

FossilOrigin-Name: 9e66458592d40fbd96ea5f21339573110ca1cfe328238a020c9420a87d35dd72
 2019-07-16 19:44:32 +00:00
dan
01fd42beef Trivial performance improvement for balance(). 
FossilOrigin-Name: c7920f5569022f645ec4dbfce8c228880263785c708c2c0ac065e770c438b1d9
 2019-07-13 09:55:33 +00:00
drh
5c2f2206b6 Initialize the 18-byte overrun area on the buffer used to reconstruct 
overflow btree cells during a btree search, to avoid a harmless
jump-depends-on-uninit-values warning.

FossilOrigin-Name: 4b05caeb1b9767ba58cb4261ecc22cdd495216b3258d45f2165cdbd3ea079495
 2019-05-16 20:36:07 +00:00
drh
4142265645 Ensure that the BtShared.nPage value is reset correctly on a SAVEPOINT 
ROLLBACK.

FossilOrigin-Name: e6d5fee8cdbdce8515957e8288e4d1e7b06f417fd3f9deeeb636fbf5b995af51
 2019-05-10 14:34:18 +00:00
drh
eb265343a9 Ensure that the sqlite3BtreeLast() interface initializes the *pRes return 
to zero if the cursor is already sitting on the last entry of the table.

FossilOrigin-Name: ebe4845cd0ffb96b30be3c69eb399d58e93149886bc2fa60a7ebd7b4fbe447a4
 2019-05-08 23:55:04 +00:00
drh
291508f62b Remove an ALWAYS() that was previously added by check-in [a0819086] but 
which turns out can sometimes be false.

FossilOrigin-Name: ad8fc5d8b440c49df95328df0408be699dde5a1dbd195b3f1f32e5f765578032
 2019-05-08 04:33:17 +00:00
drh
d2cfbea2a4 Remove a NEVER() that was added in the previous check-in because it is in fact 
reachable.

FossilOrigin-Name: 74eba2558a81f9e790d95a12a0c5379d4f80b43c8698ef9d6a31ff8d160a53d8
 2019-05-08 03:34:53 +00:00
drh
dfcecdfea8 Earlier detections of errors in the byte-offset-to-cell-content integer at 
offset 5 in the header of a btree page.

FossilOrigin-Name: a0819086a521fb0ca4ffd12f959b168a89ea2e30a2844bbbd39831b2b9ecf29b
 2019-05-08 00:17:45 +00:00