d8bb0b5ae6
Add a gettimeofday()-based implementation of xCurrentTimeInt64() to os_kv.c.
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FossilOrigin-Name: e393ed650ef124143f84e9d787fb996e308dd7af6b8f50df72a6f085b67bf9c3
2022-09-12 19:29:34 +00:00
bb19512438
Fix a debugging/testing edit in the previous check-in.
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FossilOrigin-Name: 6fc8d34c0ae1f8277544be741f2f0835fad8e475d35bd24573224ccc1699b8bd
2022-09-12 18:10:41 +00:00
6acd7b0a75
Faster text decoder for kv_os.c.
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FossilOrigin-Name: 3354a2edb762d70ccc31d4d25f81b70e644d76e01cb1e81d2e97b5414d809d30
2022-09-12 17:44:35 +00:00
1ad51ffe21
Fix uninitialized variable in rollback-journal processing in os_kv.c
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FossilOrigin-Name: e49682c5eac91958f143e639c5656ca54560d14f5805d514bf4aa0c206e63844
2022-09-12 15:59:35 +00:00
6b013afb88
Fix the amalgamation so that it builds with the standard unix backend again.
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FossilOrigin-Name: 0adf158f4e5791339988185cc29347c75056b062e0db65b5999fdfa1f433c1ed
2022-09-12 12:41:07 +00:00
ad5125a624
Initial build of kvvfs in wasm. It loads but cannot find the VFS for as-yet-unknown reasons (sqlite3 shell works fine), and most APIs throw "null function or function signature mismatch" from deep within wasm, presumably as a side effect of the "missing" VFS.
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FossilOrigin-Name: 1a2f24a0bdfc6eaae478916b8f4f9c6b63ead9964534fc2951fb4e995ffe61f1
2022-09-12 12:39:28 +00:00
c6c9c6aad0
Improved comments in os_kv.c. Better names for the key/value name spaces.
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FossilOrigin-Name: 8e1652a3856765c9146cc2a7e3b598a2dc7dc84c556b35eab9a35184514384b9
2022-09-10 18:38:21 +00:00
7585f49a0a
Move the vfskv.c extension to src/os_kv.c and make it part of the amalgamation,
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activated if and only if SQLITE_OS_KV is true.
FossilOrigin-Name: f6632e69c2ec1a7ddc4e51f3567e3bc082ee94a6dd51fdafdc0c3bf386a32d4c
2022-09-10 18:20:59 +00:00
6e440ab3de
Fix the windows build so that it works with -DSQLITE_OMIT_AUTOINIT.
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FossilOrigin-Name: f74a5ea8c986dc33d3afcda169c38abbe55728c56716cf9991a5e2ef7fc4917a
2022-09-05 18:17:03 +00:00
ad617b4d6d
Ensure the Pager.journalOff variable is zeroed if an error occurs while writing the initial header to the journal file.
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FossilOrigin-Name: da7af290960ab8a04a1f55cdc5eeac36b47fa194edf67f0a05daa4b7f2a4071c
2022-09-02 21:19:24 +00:00
173b418e60
Fix an assert() associated with the dbsqlfuzz error at [8372468bb5d8922c].
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FossilOrigin-Name: 54251f81ebc43839cc97f91d2df4c320c1b96b5690cc11ce45b60c087c9becd6
2022-09-02 17:25:25 +00:00
5fc3a8a32f
If sqlite3PcacheMove() really performs a swap, then be sure to renumber the
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second page.
FossilOrigin-Name: 81cff9f1955874aade55daa94263f58f06d966bd51ad558755f92777069a7347
2022-09-02 15:09:55 +00:00
4e9bf5ace3
Enhance the pcache1 implementation so that during an xRekey operation if
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another page already exists at the destination, that other page gets moved
to the source key.
FossilOrigin-Name: aadd38f99a3e5abcf9bef49f4367752f163cc79500a28f812bb71969d7de419c
2022-09-02 14:29:54 +00:00
e04c9f4b33
Mutex protect access to the sqlite3_test_directory and sqlite3_data_directory
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global variables. See
[forum:/forumpost/719a11e1314d1c70|forum thread 719a11e1314d1c70].
FossilOrigin-Name: 8e6ad3a3e942a326cf16432e16d6596c7206c05b6f45cd0ff3a9b836bcfc9deb
2022-09-02 11:45:26 +00:00
fee6431392
Improved mutex protection of the sqlite3_temp_directory and
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sqlite3_data_directory global variables.
FossilOrigin-Name: ebbe9634d6dde9e097f61fb98a79111e46de422b7bbbd9ed3af7b6f22aacf5ec
2022-09-02 11:12:16 +00:00
18a3a48db1
Experimental changes to put sqlite3_temp_directory behind a mutex.
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FossilOrigin-Name: 5ee3515fbb88bf1ae5f8b507844f82dcc429380b6ebeab9b09b52b25ee60a60d
2022-09-02 00:36:16 +00:00
44132244fa
Defer deleting a transient SELECT statement associated with a flattening
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of one arm of a compound SELECT until after the parse has completed.
FossilOrigin-Name: 1c4157c71cd1e062a9c2c79787d17e34e340f28ce1e40573851dfe174f5da7d7
2022-09-01 13:51:09 +00:00
a3fc683c80
In the query planner, add a heuristic that will reduce the cost of a full
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table scan for a materialized view or subquery if the full scan is the
outer-most loop. This is shown to speed up some queries.
FossilOrigin-Name: 609fbb94b8f01d6792e5941ab23ce041313d359f6788c4dde6b1ca749ab49137
2022-09-01 10:29:02 +00:00
9c3a114ca0
Enhance the b-tree page sorting code to ensure that sqlite3PagerRekey() never
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overloads a page number and uses only the PENDING_BYTE page for temporary
storage.
FossilOrigin-Name: 5007742886bd20de20be3973737cf46b010359911615eb3da69cd262bd9a2435
2022-08-31 15:04:42 +00:00
78d15f097a
Improved comments in pcache1.c. No changes to code.
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FossilOrigin-Name: dd017bb1b3e31c7692d29dc4865d6bda871e429978c8738a39160d0114e5bf9b
2022-08-30 16:54:41 +00:00
4d28830861
Any function call can abort. Take this into account when deciding if a DML
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statement needs a statement journal. See
[forum:/forumpost/9b9e4716c0d7bbd1|forum thread 9b9e4716c0d7bbd1] for more
information.
FossilOrigin-Name: 5c95ae6c9b93b9bcf698bb1cad93b2da2e28121b35e7c539b1ddc0ef2de33cfe
2022-08-30 00:11:51 +00:00
f0f025b340
More assert() statements in the page cache.
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FossilOrigin-Name: 7c96a56c0d1de966844da6c5a84c0cd6066130a10724797ce6f228a9182d9b85
2022-08-27 16:11:00 +00:00
f6e3e31625
Ensure that every pcache page always has either the PGHDR_DIRTY or the
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PGHDR_CLEAN bit set, even during transient page reshuffling during btree
balancing.
FossilOrigin-Name: e67f03c166277951725c194674c84da61c152a5820aa6df55a726f7dda838e92
2022-08-27 14:43:34 +00:00
aa07b36dd5
Remove a NEVER() macro for a condition that is actually reachable following an OOM. dbsqlfuzz crash-6ef3cd3b18ccc5de86120950a0498641acd90a33.txt.
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FossilOrigin-Name: b573e2cffa5fedc893ed30e76e47022b3617ac5583e1eb486afa810b2514c419
2022-08-25 13:32:55 +00:00
7383f5a7d9
Add a mutex to the sqlite3_db_config() interface so that it is threadsafe
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when two or more threads call it on the same database connection at the same
time.
FossilOrigin-Name: 459ad8846ee1ee2d3b277a291c47121692bdf477e779b06e77be8338f62237a6
2022-08-24 17:59:00 +00:00
2ce2b779bb
Fix an inefficiency in the ".dump" command when outputing large blob literals.
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FossilOrigin-Name: c055d05dbdfd4643d5052c6e6a736c78651fdfcd78f15f791af903df3814832d
2022-08-24 11:51:31 +00:00
e5928b17ca
Change the names of the Vdbe.pVNext and Vdbe.ppVPrev fields to make them
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unique. Change to ppVPrev to save a few bytes and a few CPU cycles.
FossilOrigin-Name: 34b8ea31877ae8b40729d37b3f51ae7e15f38be841881ea4a37c9c8f0a52896d
2022-08-23 20:11:01 +00:00
35908b167f
Enhance assert() statements to enforce tighter bounds on the P5 operand of
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the OP_Next and OP_Prev opcodes.
FossilOrigin-Name: 4e0a07fc6f96e6e7726506b7a5ee942461c1381501f253893fa94d76023b634f
2022-08-23 17:51:39 +00:00
376860ba88
Performance enhancement for sqlite3DbFree().
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FossilOrigin-Name: c296a9d958ec360fc8d217363348b4918d665bccb3c4f27503a2dcef7db49052
2022-08-22 15:18:37 +00:00
41ce47c4f4
Add the new internal interface sqlite3DbNNFreeNN(db,ptr) where both the
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db and ptr parameters are guaranteed to be non-NULL. Use this where
appropriate to save more than 2 million CPU cycles on the standard
performance test.
FossilOrigin-Name: e5eaa80e81fdf86f2875a912b880272b8d099b82b08e945a7988c5dd0fe9d6b5
2022-08-22 02:00:26 +00:00
00378fde23
Enhance the enforcement of SQLITE_VTAB_DIRECTONLY so that it applies to
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DML statements within triggers. Do not allow DML stratements against
virtual tables within triggers unless either the virtual table is
SQLITE_VTAB_INNOCUOUS or PRAGMA trusted_schema is ON.
FossilOrigin-Name: 9433ea4070f52135be64569057f439e7bdb4b3f425d87167c9ebda50011210c1
2022-08-20 19:33:04 +00:00
78ed74ef8e
In the ".dump" command of the CLI, if a schema statement ends with an
...
unterminated comment, try to terminate that comment prior to appending
the ";" at the end. [forum:/forumpost/d7be961c5c|Forum post d7be961c5c].
FossilOrigin-Name: 96e112da1ac56767cf49f26132833745b6020d2c60f5c36f86ca84f87ad30c81
2022-08-17 20:18:34 +00:00
16b03c0196
Enhance the "PRAGMA integrity_check" statement so that it verifies the rows of
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a WITHOUT ROWID table are in the correct order.
FossilOrigin-Name: 62f934bff495850d0763e07ffa44a557f066ecba9d039363f32287213cba819f
2022-08-17 18:07:52 +00:00
0348fc722f
Minor code simplification in the code generator for PRAGMA integrity check.
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FossilOrigin-Name: a3b9c7a6c9be5c78a93e5125f16237d2d84b977eca81f527af0198e96435a995
2022-08-17 17:14:36 +00:00
a8771a1736
Change the legacy RC4-based PRNG to use the RFC-7539 chacha20 algorithm.
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FossilOrigin-Name: a0f801151925e882e120f6ab685dcacb9d3268d25b52bc665c5b927bcc7dda1e
2022-08-16 17:18:00 +00:00
cd05aafa56
Fix obsolete comments. Add new comments. Fix non-standard spacing.
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FossilOrigin-Name: a0d224c6a69941dad1f2b35edcc7ddee343b99eae2aeed74043461f3e97ef5b4
2022-08-16 16:57:33 +00:00
534945ad07
Fix an off-by-one error in the ChaCha20 initialization code.
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FossilOrigin-Name: 72e220eed446ea9a02a6ef03e09a01bcb8bbca1f3b32d2e0bf52a17d9722e2f0
2022-08-16 16:40:54 +00:00
2756f806f2
Add assert() statements to verify that the SQLITE_OPEN_EXCLUSIVE flag is always passed to the VFS when opening a temporary file.
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FossilOrigin-Name: e123da49ccae61d591abded52f4721aa10f20d75935c9a3e3fe826a9b8df2317
2022-08-16 10:52:35 +00:00
9113c87ef3
Replace the RC4-based PRNG with one based on ChaCha20. 3x faster.
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FossilOrigin-Name: 084d8776fa95c75440530028171c56547a341c9a952ba2f29bb533b538603c78
2022-08-16 00:04:40 +00:00
9c5e1e40e3
In the documentation emphasize that the use of shared cache is discouraged.
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Fix test cases so that they all work with shared cache disabled.
FossilOrigin-Name: 52c3ae063e133c5f88cad2c3084cf46218f865ac817ab937e3529d2c6a7af300
2022-08-15 12:26:26 +00:00
087f143f87
Add the (undocumented) SQLITE_DEFAULT_UNIX_VFS compile-time option.
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FossilOrigin-Name: 49828bdec5f926cd18a069d39a5db0b1e1f3528a2affcfbaa1cf7b98aca51b3b
2022-08-12 18:46:01 +00:00
f0d12d87fa
Fix another harmless comment typo that causes a typo in the documentation.
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FossilOrigin-Name: bb084adb53386d8e52ca1e818a8322d2ec641b73fd8568cee01cc74c0ee9f265
2022-08-10 18:40:43 +00:00
778d334085
Remove (harmless) duplicate words in comments used to generate parts of the
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documentation. [forum:/forumpost/54abbe9ccd|forum post 54abbe9ccd]
FossilOrigin-Name: b5e4f0db09ff7790862357df3c6fd38a2dcdfc82ff51b9f0d9470517648c844d
2022-08-10 18:33:57 +00:00
626bcc88dd
Allow the name of an index to collide with a table in a different schema.
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FossilOrigin-Name: f963c2523872b59b8a7a14971f703f2eb0d021501b288597a958f6596885d0de
2022-08-09 16:13:21 +00:00
c8e9f6818b
Omit the (undocumented) SQLITE_PCACHE_SEPARATE_HEADER compile-time option.
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FossilOrigin-Name: 60947da687d525e72e62bcddcdf4c5c819818855074cc318c9ee656e83897aef
2022-08-09 14:28:54 +00:00
26e817f69b
Avoid trying to cast an over-sized floating point value into an integer.
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FossilOrigin-Name: 3518cd7cb1feeefc3963da72c2d258d81d8914f1e1f427da28a00b6228cf126c
2022-08-08 16:25:13 +00:00
5e10d892d6
Remove an unreachable branch in the numericType() helper routine.
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FossilOrigin-Name: a99cc008e46ab1a4fdbe2fa87202d026a10c57be55e3e9fedd935795ed6dc694
2022-08-08 13:04:08 +00:00
a3a4da0922
Do not attempt to convert an oversized floating point value into an integer.
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FossilOrigin-Name: 6c4fc8385ee22516e0b87fb647327ee7d1a564040ebe2a4d66fc999ef2908df2
2022-08-08 12:19:13 +00:00
8c3cc71a5a
Fix a rounding error caused by scalar->logarithm->scalar conversion when using stat4 data to estimate some range scans.
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FossilOrigin-Name: 86e30d7c4bb1cebe25b66686d6d1ee170c1a88e5a6c1bed6652ebbb024d62062
2022-08-06 15:28:37 +00:00
e2848932a5
Fix harmless compiler warning seen with MSVC.
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FossilOrigin-Name: e36217f2536d89f7a15a879fe3ead32307909c71ced42e1ae7b35f43d4744a80
2022-08-05 05:30:07 +00:00
drh