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1153 Commits

Author SHA1 Message Date
dan
4cbe5d3588 Merge trunk changes into this branch. 
FossilOrigin-Name: ac4ee69664278a828e0a64c5be3b96fdb6eb6acc95646a9425c667aea328791c
 2020-05-07 14:05:08 +00:00
drh
e937df81f0 Fix the handling of reserve-bytes so that the maximum value of 255 can be used. 
FossilOrigin-Name: 99749d4fd4930ccf15227f67c732266af9e09dd3cabdc0834fb450ef98196441
 2020-05-07 01:56:57 +00:00
drh
783e159e48 Fix harmless compiler warnings. 
FossilOrigin-Name: 92dc59132f8547635d73c61c21ea29b380c401ddc84a6d01412808e00386b9e8
 2020-05-06 20:55:38 +00:00
dan
861fb1e9dc Block on the WRITER lock when attempting to run recovery. 
FossilOrigin-Name: 105d6c9bbcadc64faa2b24e315cb13227b17cfc6bf1b3512713f80ce56976a3d
 2020-05-06 19:14:41 +00:00
drh
e0a8b712c1 Provide the SQLITE_DEFAULT_LEGACY_ALTER_TABLE compile-time option. 
FossilOrigin-Name: 63e659d9a793227604aa95685a8d83cd08305f1d01e135407a3ffc6d54482ab8
 2020-05-06 18:43:57 +00:00
dan
293e9f5d6c Merge latest trunk changes into this branch. 
FossilOrigin-Name: a3727dba10b476f414f0a049b35f2a5c169a408eccefa6833821560684e07f8b
 2020-05-06 15:07:25 +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
20e34f9110 Simplify the initialization of built-in extensions. 
FossilOrigin-Name: 729f2397358d0382e255ba0058bf70bc9ed410b7621a67466da13de437d3ba5c
 2020-05-04 17:15:21 +00:00
drh
51f1c6f3ec Merge recent enhancements from trunk. 
FossilOrigin-Name: 96dfc71ea599702ef38b60952d03e95dce5a8c534cd943e076e9c76b00e61e65
 2020-05-01 18:58:21 +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
e065a18a4b Merge enhancements from trunk. 
FossilOrigin-Name: d1731385c077f298b0cf654d6183ed40f7e5c07e4e2ab7f69109cf951ce99d9e
 2020-04-02 12:24:08 +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
dan
97ccc1bd11 Modifications to the way blocking locks are used in SQLITE_ENABLE_SETLK_TIMEOUT builds so that multiple processes or threads may not deadlock when operating on a single database. 
FossilOrigin-Name: c516027d5fd876b7d0bf566435667d554db29ded30ad6fc1165caa4a93d015a0
 2020-03-27 17:23:17 +00:00
drh
691b5c54b8 Infrastructure for the bytecode() table-valued function. The function itself 
is not yet implemented.

FossilOrigin-Name: 2795f0d633577e0de66b389d9e8e44c55e85975bdc62f1a0b8f93959d19b22bf
 2020-03-23 15:49:22 +00:00
drh
42a630b1da Change the sqlite3.pDfltColl (the default collating sequence for the 
database connection) so that it is the collating sequence appropriate for
the database encoding, not the UTF8 collating sequence.  This helps to
ensure that the database encoding collation is always used, even for
expressions that do not have an defined collating sequence.
Ticket [1b8d7264567eb6fc].

FossilOrigin-Name: 4a5851893c3d71cc823b6ab5df5e58a852cd322fff26290f1ea05b63d67f564a
 2020-03-05 16:13:24 +00:00
drh
df97d43930 Ensure that the filename passed into the xFullPathname method of the VFS is 
acceptable as an argument to sqlite3_uri_parameter().  The interface spec does
not guarantee this, but it has been so historically and some applications
have come to depends on it.

FossilOrigin-Name: bfb09371d452d5d4dacab2ec476880bc729952f44ac0e5de90ea7ba203243c8c
 2020-02-27 11:32:14 +00:00
drh
4defdddc31 Add the new sqlite3_create_filename() and sqlite3_free_filename() interfaces 
for use by Shims.  Use these interfaces inside the multiplexor.

FossilOrigin-Name: 9469f36ac89e4b75d0ab25fefbeff25201992c53141da915dcaa017083cab6db
 2020-02-18 19:49:48 +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
5bdad79f01 Remove dead code from the sqlite3_filename_database() function. 
FossilOrigin-Name: 1b6185550f2bcfa11513898984f1fc2029e0356e9acdc786c5c4a8006b1da2ba
 2020-02-06 13:09:56 +00:00
dan
3cdc820544 Enable more detailed log messages in SQLITE_ENABLE_CORRUPT_PGNO builds if database corruption is encountered. 
FossilOrigin-Name: 57c36a293e16bb4d9652874124ee1447bef278e08664bc8dd0070a0ee2ef1173
 2020-02-04 20:01:44 +00:00
drh
745befd13f Merge the sqlite3CodecQueryParameters() fix into trunk. 
FossilOrigin-Name: a812f533693a3605f297199ae0320d663e872208675e86860c5c1803943943aa
 2020-02-01 14:20:35 +00:00
drh
1eac966076 Fix a problem in sqlite3CodecQueryParameters() that was introduced by the 
query parameter encoding changes for the 3.31.1 release.

FossilOrigin-Name: cc65ca541265bd7061ed8f5ec9a54f3c384c41019c5ea1c68dcaabeff3495839
 2020-02-01 13:30:39 +00:00
drh
ffd3fd0c30 Add new memory barriers during initialization. 
FossilOrigin-Name: a9b2adc5d61790abd86839d12e7ecb98a85d7e4cde5f94558530e32449d9e483
 2020-01-29 13:10:50 +00:00
drh
532b0d23fd Revise the layout of filenames in the Pager object so that it is unchanged 
from prior versions.  It turns out that some important 3rd-party software
does questionable pointer manipulations on those filenames that depend on
that legacy layout.  Technical this is a misuse of SQLite by the 3rd-party
software, but we want to avoid unnecessary breakage.

FossilOrigin-Name: 34ab760689fd493eda482e856047708d74e769a01cc90b69da456d79ffe39aea
 2020-01-27 14:40:44 +00:00
drh
ef9f719d0b Fix #ifdefs so it compiles cleanly with all SQLITE_OMIT compile-time options. 
Update compile-time option testing.

FossilOrigin-Name: 7584e4b649d57767aac3906da6b06549d5b772aaa69f469c623ae5da834d54d5
 2020-01-17 19:14:08 +00:00
drh
cdfadc7948 Minor changes for consistency between sqlite3_filename_wal() and 
sqlite3_filename_journal().

FossilOrigin-Name: 9a70ff43a7b6848a71d5049f5a4ae24e3eb8a83d5c6651f5a9937abf03b3eccf
 2020-01-11 20:27:02 +00:00
drh
8080403e44 Redesign for better legacy compatibility. Add the sqlite3_uri_key() interface. 
FossilOrigin-Name: bcb43d11c4d0be36888c9e968ccdf85e7d7fccd72a29866f85c014e0562d4b93
 2020-01-11 16:08:31 +00:00
drh
8875b9e7b5 Rearchitect the way in which filenames are stored in the Pager object so that 
the sqlite3_uri_parameter() interface will work from journal and WAL filenames
too.  This check-in implements the central idea, and compile and runs somewhat,
but crashes on an extended test.

FossilOrigin-Name: 2ae77bd2335708343bce4541b4d2cf16edfe3fd5bc2dfb93757238c926aa960b
 2020-01-10 18:05:55 +00:00
drh
b77da374ab Invert the UNTRUSTED_SCHEMA setting to be TRUSTED_SCHEMA. 
FossilOrigin-Name: f5fcf1fbc6473f8e91315b14d67745f2748010641b7463d1f4ca51e6fdf97462
 2020-01-07 16:09:11 +00:00
drh
2928a15b3c Refactor names of flags for improved legibility. 
FossilOrigin-Name: 411e8ec2219bb4181aaf2209fb1e7baf5e8df8b8c8adb82a69b48cf7e8e7e7d4
 2020-01-06 15:25:41 +00:00
drh
67c826536f Refactor the names of the new controls for restricting what actions the schema 
can take behind the application's back.

FossilOrigin-Name: 65d7d39a858c51ffd781f5a6335e029895e597aeb1e1ccdadea8ce79c8ad412f
 2020-01-04 20:58:41 +00:00
drh
79d5bc80c7 Enhance PRAGMA function_list so that it shows all instances of each FuncDef, 
the number of arguments, the encoding, the type, and the flags.  Use this
capability to locate and fix incorrect function flags in the standard build.

FossilOrigin-Name: 9ca906d24a2e88eddb2fd067783512b66cfc49dce1596d816a1c38a09d128218
 2020-01-04 01:43:02 +00:00
drh
4be621e1ba Invert the SQLITE_FUNC_SAFE bit to be SQLITE_FUNC_UNSAFE. The external 
bit is still SQLITE_INNOCUOUS.  It gets inverted as the appdef function
is registered.

FossilOrigin-Name: 1c266cb3be46d26e640752a99979acb1a1809361ba70ca3fca981c42383c360e
 2020-01-03 21:57:53 +00:00
drh
c4ad849921 When UNSAFE_IN_VIEW is disabled, only allow functions in views that are 
tagged with SQLITE_INNOCUOUS.

FossilOrigin-Name: 9ee79b254e4c51a2a41f7ed49ad389d8d7105e649483adb79772052fa0ade3c0
 2020-01-03 20:57:38 +00:00
drh
618ee33614 Merge enhancements from trunk. 
FossilOrigin-Name: 091403a6705f5f1352c76eacbfdca75fe0bab12ab9b156842641de07c38d3f66
 2020-01-02 23:50:50 +00:00
drh
378ca1eab3 Merge the latest enhancements from trunk. 
FossilOrigin-Name: bd57e6d923d3b04f0a07aaf18bf389d2b2b7efc7c57e8cb37e6ef910662d8397
 2020-01-02 21:41:59 +00:00
drh
2a83c10072 Provide the -DSQLITE_ENABLE_INTERNAL_FUNCTIONS=1 compile-time option. Fix 
the ".testctrl internal_function" command in the CLI so that it does not
signal an error on a valid input.

FossilOrigin-Name: 8ee2ce92c082771675d0e8be597043cf9f0fd4f8a73d6a1498bf8743d6b3904a
 2020-01-01 23:02:35 +00:00
drh
171c50ec38 New test-only SQL functions: implies_nonnull_row(), expr_compare(), and 
expr_implies_expr().  The SQLITE_TESTCTRL_INTERNAL_FUNCTIONS test-control
is modified to toggle internal function access on and off for a single
database connection.

FossilOrigin-Name: 473892a8eceacf24d57fd0c72ff2a0b8be4e0d75e0af7a30bdb24fbc3b453601
 2020-01-01 15:43:30 +00:00
drh
b945bcdaf1 Experimental branch with new sqlite3_db_config() options that could possible 
enhance security for applications reading potentially compromised database
files.

FossilOrigin-Name: 96a2db2612f2e47bbec0e374a242820c88f03c42ccbf8467abccaef41469bae2
 2019-12-31 22:52:10 +00:00
drh
cf014f6cbd Refactor names. Use "small" instead of "mini" to describe the smaller 
of the two lookaside memory allocation sizes.

FossilOrigin-Name: 88d244983854cdc1a369c5df09ae00f1098784db768ba4e17b963d187dcb1009
 2019-12-31 15:12:34 +00:00
drh
e6068027ca Cleanup and performance enhancements for mini-lookaside. 
FossilOrigin-Name: 74805668430051032ae9b256c84e252755ee03075fc08293c948675ed40ec280
 2019-12-13 15:48:21 +00:00
drh
0225d819c4 Change the size of a mini-lookaside allocation to a macro (MINI_SZ) rather 
than a magic number (128).

FossilOrigin-Name: 5e1949bca998f3c8c23a8ebf01c7a2e7a2af1fdad43886271e1fe0f25411551d
 2019-12-12 17:17:24 +00:00
numist
115d663c05 More efficient implementation of a lookaside allocator that supports mini (in this case, harcoded to 128B) slots. 
FossilOrigin-Name: b02fdc09c838f355d9efce57f817d6a86153153b4a1f2b763914f4aaa34cb76e
 2019-12-12 02:50:07 +00:00
mistachkin
3c161e07af Add support for the SQLITE_ACCESS_SYMLINK flag in the Win32 VFS. 
FossilOrigin-Name: 175c15008e9f19b8f6762c2fe4a545735128765081980eed01d5e46ca4acb500
 2019-11-18 23:48:03 +00:00
drh
746461f1b8 Ensure that the main filename and the journal filenames in the pager 
object are all correctly double-zero terminated.

FossilOrigin-Name: df51ae19c1aa4c26f2dcd427eddc1c9cc24b698e1ab0a948b198a57432e25e1e
 2019-11-12 14:43:47 +00:00
drh
66c48907a2 Remove the legacy_file_format PRAGMA. In its place, provide the 
SQLITE_DBCONFIG_LEGACY_FILE_FORMAT option to sqlite3_db_config().
Fix for ticket [6484e6ce678fffab]

FossilOrigin-Name: 4d424f3047b48fc441475137f30a719d2f079390c86fe2617710ddfb05c5e240
 2019-10-29 16:18:45 +00:00
drh
31f69626df Performance optimization to the lookaside-memory disabling mechanism. 
FossilOrigin-Name: 17ce1c49cb0ed6fdd8c7c33431bc2afa217f1092c99b8dd608890a8e7aec7fb1
 2019-10-05 14:39:36 +00:00
dan
e2ba6df9f0 Add the SQLITE_SUBTYPE flag, which can be passed to sqlite3_create_function() and similar to indicate to the core that a user function is likely to use sqlite3_result_subtype(). 
FossilOrigin-Name: 6aa438ce41d460a6782ae63503128b9140c28ff59c2b2eed48b004acf83e0560
 2019-09-07 18:20:43 +00:00
drh
217ca657d8 The SQLITE_DIRECTONLY flag, when added to sqlite3_create_function() prevents 
the function from being used inside a trigger or view.

FossilOrigin-Name: de767376987f7668b0770c4920f1532e341b5a27f797d69c0f5e92b87d036170
 2019-08-17 00:53:29 +00:00
drh
cc5979dbd3 Add the ability to unregister a virtual table module by invoking 
sqlite3_create_module() with a NULL sqlite3_module pointer.

FossilOrigin-Name: 31e34fa3390196cdc3178bf120224b08df5ec58fa2c77079ede6e9461a430dad
 2019-08-16 22:58:29 +00:00