7b7f224c62
Revise and vastly simplify the Win32 SHM file locking semantics, allowing all new tests to pass.
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FossilOrigin-Name: d0997b0f5bc9a9869684e39a17a01c430d6383c8b31d6c00ea17a5eac15bc6f0
2017-11-09 22:23:50 +00:00
95a05aae67
Add an assert() in the Win32 VFS.
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2017-11-09 20:37:37 +00:00
bcb416a9ff
Get read-only SHM file tests passing on Win32.
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FossilOrigin-Name: abef05353554e72f4d08aff562b87ff8530e8537a79e58d831205ea8c46eed07
2017-11-09 20:02:44 +00:00
9f4aad446b
Further corrections to read-only SHM file handling on Win32.
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2017-11-09 18:53:51 +00:00
a515065649
Corrections to Win32 lock detection for SHM files.
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FossilOrigin-Name: 3a91be975daee65c3e1199855613066015d5df8ad44ababdef31d1c698b5e746
2017-11-09 18:21:51 +00:00
8a6fa5d41c
Corrections to the Win32 porting changes on this branch.
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2017-11-09 17:29:18 +00:00
4a9ff91852
Make it possible to use OSTRACE for multi-process testing.
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FossilOrigin-Name: 0a7d416c4c43632725dc89cda8667cd9726b5152ee4692e4d0c9e2031e60cfb4
2017-11-09 17:29:04 +00:00
4ff8431fd1
Initial work on porting the changes on this branch to Win32.
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FossilOrigin-Name: 3738bfd0c0eadb10eea58954af5052cb6ce164059f3aacfe65d7da6a400c63c7
2017-11-09 16:30:55 +00:00
9214c1efe8
Extra comments on the sqlite3OsShmMap() call in walBeginUnlocked(). No
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changes to code.
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2017-11-08 19:26:27 +00:00
7316960cec
Turns out that SQLITE_READONLY_CANTLOCK is an historical name that must
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be preserved. So make a new SQLITE_READLOCK_CANTINIT name instead.
FossilOrigin-Name: 04974a8b5c0e6748216226006ca9125529c8bb2a7a9df4641217eb1413426a14
2017-11-08 17:51:10 +00:00
7e45e3a5d7
Change the name of SQLITE_READONLY_CANTLOCK to SQLITE_READONLY_CANTINIT.
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FossilOrigin-Name: 6d7f94faa7e6de62f82bc6cac019508a9c1ffd6fa1d14f52fa93e9c06afdd32f
2017-11-08 17:32:12 +00:00
6c9d8f640b
Update an assert in wal.c.
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FossilOrigin-Name: 94527b897bac66d100ca92161f18b6f0e0768dd77ebcb06e3fb106f0e0e380ee
2017-11-07 21:25:15 +00:00
08ecefc5b1
Handle the race condition that may occur if another process connects and then
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checkpoints and truncates the wal file while a readonly-shm client is building
its heap-memory wal-index.
FossilOrigin-Name: 5a6703fc3f2174b3e9a624c7272ae013b73c42d6c97ffa62b58553efdb54e3bc
2017-11-07 21:15:07 +00:00
f12ba66cf8
On unix, if the *-shm file cannot be opened for read/write access, open it
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read-only and proceed as if the readonly_shm=1 URI option were specified.
FossilOrigin-Name: ba718754fa5ab8596cb84b751051de98afa2706fe6c5df39ad6d925d790719ee
2017-11-07 15:43:52 +00:00
ab54838452
Add further test cases for the new code on this branch. And a couple of fixes.
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FossilOrigin-Name: 71af9acb227a91d9ad8798c9d0b12d6967e863d050f5cb1fddb45f25ee1f47db
2017-11-06 19:49:34 +00:00
cbd3321978
Add further tests for the code added on this branch.
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FossilOrigin-Name: a6716fcde38b28b8a03b40f9d16f78a57ec20f60cf391ff553692641cb7f0d3f
2017-11-04 21:06:35 +00:00
11caf4f4b7
In cases where a readonly_shm client cannot take the DMS lock on the *-shm
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file, have it parse the wal file and create a wal-index to access it in heap
memory.
FossilOrigin-Name: 18b268433d739486eac1b04947bd418655e4bc56e8dc63ffa558aa4552a32e30
2017-11-04 18:10:03 +00:00
dea5ce36f5
Avoid locking shm-lock WAL_READ_LOCK(0) during recovery. Doing this allows
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recovery to proceed while a readonly_shm connection in unlocked mode has an
ongoing read transaction.
FossilOrigin-Name: 5190d84a296b7cf716ef43bf7b6d4d351ef1a4d650de37dc01a5ab333da7c05d
2017-11-02 11:12:03 +00:00
92c02da33e
If a readonly_shm connection cannot map the *-shm file because no other
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process is holding the DMS lock, have it read from the database file only,
ignoring any content in the wal file.
FossilOrigin-Name: ce5d13c2de69b73378637d4f7e109714f7cd17bf1d1ad995e0be442d517ed1b3
2017-11-01 20:59:28 +00:00
514c4b7e5d
Merge latest trunk changes into this branch.
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FossilOrigin-Name: 985bfc992950625a45a7521bf4c8438cd0170de974dff976968be158ac5922a9
2017-11-01 07:06:41 +00:00
176b2a916b
Fix a race condition in os_unix.c that might allow a client to use a *-shm
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file corrupted by a power failure if another client fails between locking the
*-shm file and truncating it to zero bytes.
FossilOrigin-Name: d655bfabd110999b6808073c334869c5b6a8334df56811df883e47e56d3f1cbb
2017-11-01 06:59:19 +00:00
183f0aa6c4
Fix a minor comment typo. No changes to code.
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FossilOrigin-Name: 5f79e6d9c3d44b0cc7cf805429006f7b29a69e8d863b58472172a56b29a7bb4e
2017-10-31 12:06:29 +00:00
9d9c41e25e
Remove unnecessary NEVER() and ALWAYS() conditionals.
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FossilOrigin-Name: 1c80c75d4be2f3d44fb18bb4c07eccac2aba79b688215a741317dfc47dc7c2ce
2017-10-31 03:40:15 +00:00
07dae088b9
Clarify some comments describing the WAL index file. No changes to code.
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FossilOrigin-Name: 3be3aad9ecbe33060cfa9c6059b9206ed221d1fd72a69c355a9387f9f4e075e7
2017-10-30 20:44:36 +00:00
eba21f9eb2
Improve the performance of the LIKE operator by using strcspn() to aid
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wildcard matching.
FossilOrigin-Name: 37284d4e8f501a37c582aa899419a3dfe0932e2a8e2ef2fdf59addd1d3cdacb4
2017-10-30 18:49:11 +00:00
fca23557fe
Reactivate query flattening when the result set of the outer query has
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no function calls or subqueries. This is a partial reversal of
check-in [c9104b59]. Co-routines are still preferred if the outer
query has a complex result set, but for simple results sets, query flattening
is used. Check-in [4464f40ccd7] is completely backed
out due to this change.
FossilOrigin-Name: d17ef7d153058f7332b3fec421ade42c67e26b06f36fc1629e6799537a5afc5f
2017-10-28 20:51:54 +00:00
0503f2acfa
Fix a Pager ref-count leak in the sqlite_dbpage virtual table.
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FossilOrigin-Name: c063bb04da77d6847e4e254b6bb939c860e781382e34ddff8e0454d9db7552e2
2017-10-27 18:24:11 +00:00
b4bab90b31
Handle the Ctrl-C event for the shell on Win32.
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FossilOrigin-Name: c8aaf37117ed4a23bbd15dc481788735efcb77bff98be423eca3521c0a9270de
2017-10-27 17:09:44 +00:00
47d9f83982
Enhance the min/max optimization so that it works with indexes on
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expressions.
FossilOrigin-Name: 6caec9082b3ad6d3f89f6291084a8f5c80f296630e2e94bc764389ac1a47a833
2017-10-26 20:04:28 +00:00
7ea11066b6
Extra ".selecttrace" output following aggregate analysis. No changes to
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production builds.
FossilOrigin-Name: 6fbf74ab3189b9cb20cf7cc8db0226eb935a8eab477cc83b8390492fcf2f1f76
2017-10-26 18:43:19 +00:00
ab04eff809
Fix an error in the previous commit on this branch.
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FossilOrigin-Name: f71dfee06ce1e0eee760cfca19482bdec7729d6c7d28f10f4cfd21e1f92a04b0
2017-10-26 17:34:50 +00:00
9181ae990a
Instead of extra locks, use F_GETLK to ensure that readonly_shm clients cannot
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connect to a wal-mode database if there are no writers.
FossilOrigin-Name: 5492f457dc7cc5c416de4b4e61e84bd2f10b4e6ce54011b7a60feb47f629c923
2017-10-26 17:05:22 +00:00
b5039fb7d3
Use extra locks to prevent a readonly_shm=1 process from connecting to a
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WAL-mode database if there are no writers.
FossilOrigin-Name: 35d979082b4ab36d6a8975f8f15a50e69f46b72a173164d2b353377b9f758bd8
2017-10-25 23:28:13 +00:00
3cd8aaa748
Fix the sqlite3_dbpage virtual table so that it can read and write from
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any attached database.
FossilOrigin-Name: d4f893e1ae53a0445939ea2920af87d21dd36270494381028b2eaebe5c188f18
2017-10-25 19:18:33 +00:00
b5d013edd1
Do not reference the ioctl() system call in the unix backend unless it
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is actually needed by the Batch Atomic Write extension. This should allow
the build to work on VxWorks.
FossilOrigin-Name: adfa7ed2de3e833fff65935455e71236a59602aaf7b97ece667ab300dca9f673
2017-10-25 16:14:12 +00:00
952523f618
Fix a problem in the incr-blob code causing a new cursor to be opened for
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every sqlite3_blob_reopen() call.
FossilOrigin-Name: 41ef34a1f0650c50cacb203665cd9d57db53a49c979bf0d5a78937517f763a2c
2017-10-24 17:28:25 +00:00
efeaec365f
Updates to test procedures so that they all work with encryption. No changes
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to the core SQLite code.
FossilOrigin-Name: 0481330756e861de8e1eb7136e7dca2f333b2a82377949d2e0eba401af7d73dd
2017-10-23 16:34:07 +00:00
21cd29ab15
Avoid passing a NULL value as the second argument to memcpy().
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FossilOrigin-Name: 58e5bb491bc0e28412ca188ba8fbe94adc67b5b1e9d7c112c36011400528d577
2017-10-23 16:03:54 +00:00
aa79e434f1
Merge all the enhancements and bug fixes from trunk, since none are
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destablizing. Call this the second beta.
FossilOrigin-Name: fb3ee1b7cac09e4950e4f48b44c277e4f391cb6c8f069644732d2389ca653da4
2017-10-21 17:17:17 +00:00
6fe3733ba9
Catch and avoid a 16-bit integer overflow on the number of columns in a
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common table expression. This fixes a problem found by OSS-Fuzz. The
test case is in TH3.
FossilOrigin-Name: 6ee8cb6ae5fd076ec226bb184b5690ba29f9df8cfaef47aaf13336873b4c1f6c
2017-10-21 14:17:31 +00:00
316ab93e2c
Remove unnecessary "#if SQLITE_MAX_COLUMN". SQLITE_MAX_COLUMN is always
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defined.
FossilOrigin-Name: 6ec82acde81a46a75ed5931fc7dd813f2523753106ad7b8f0b544b9da9824d5a
2017-10-21 13:29:26 +00:00
f2f72a0f9f
Take extra care to avoid an OOB read caused by a corrupt b-tree page.
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FossilOrigin-Name: 04925dee41a21ffca9a9f9df27d8165431668c42c2b33d08b077fdb28011170b
2017-10-19 15:17:38 +00:00
af124faf3e
Avoid using snprintf as a member variable of a struct in sqlite3ext.h. This
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causes problems on OSX.
FossilOrigin-Name: b066d5a69f5391b2cef04b4e288f7d33e63a4ff54325b7e9fbd6aa42529c2f3c
2017-10-18 14:29:36 +00:00
f30d345241
Fix the ".check" command of the command-line shell to return 1 (error)
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rather than 2 (exit) on a test failure.
FossilOrigin-Name: e2af0cc6ef5fafc785b8b73f51995901f50822972dcfb632494e22402596186d
2017-10-17 13:44:46 +00:00
989d7278b0
Improved comments, including a typo fix, on the whereLoopCheaperProperSubset()
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function.
FossilOrigin-Name: 700a3c694438ca6cca185d0097f24799e82717ef38cb47bd83666c80f0e3cb2f
2017-10-16 11:50:12 +00:00
47b1d68f25
In the query planner, do not consider index X to be a proper subset of
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index Y if X is a covering index but Y is not.
FossilOrigin-Name: ee31c04353cd75ea4bbadee2994c30d3808b696a4f680187502d104902988a5d
2017-10-15 22:16:25 +00:00
96a206fa10
Improved ability to generate stand-alone program using TCL and SQLite by
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compiling with -DTCLSH_INIT_PROC=name to cause the TCL interpreter to be
initialized using procedure name(). Both sqlite3_analyzer and testfixture
are now built this way.
FossilOrigin-Name: d65d1f297ddb07b799ff5b2e560575fc59a6fa74c752269cc85ab84348fb7da4
2017-10-13 20:14:06 +00:00
1df6470d35
When compiling with SQLITE_TEST, extra options are available on the
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"DB version" command for controlling the internal state of the SqliteDb
object, for testing purposes.
FossilOrigin-Name: bf86478d9c6b899d6441e80cf9d17b58731e5d354e31b11f0d58a798f6fab896
2017-10-13 15:56:26 +00:00
c318f730a4
Move some test logic out of tclsqlite.c and into auxiliary test_*.c files.
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This is a work in progress.
FossilOrigin-Name: 95b7687fed75b32a62a0c62d397f4f543bf40095e13c22e15938d5dcfd71fcdf
2017-10-13 15:06:06 +00:00
88dd668942
Add the sqlite_dbpage virtual table (enabled using SQLITE_ENABLE_DBPAGE_VTAB).
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Make that virtual table and dbstat available to the command-line shell.
FossilOrigin-Name: eaeeb09d4aa1dbccdd2488af8461e2a8c8a53d92c63fd56330be041ad72a9e4a
2017-10-12 20:37:20 +00:00
mistachkin