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24526 Commits

Author SHA1 Message Date
dan
ad617b4d6d Ensure the Pager.journalOff variable is zeroed if an error occurs while writing the initial header to the journal file. 
FossilOrigin-Name: da7af290960ab8a04a1f55cdc5eeac36b47fa194edf67f0a05daa4b7f2a4071c
 2022-09-02 21:19:24 +00:00
drh
173b418e60 Fix an assert() associated with the dbsqlfuzz error at [8372468bb5d8922c]. 
FossilOrigin-Name: 54251f81ebc43839cc97f91d2df4c320c1b96b5690cc11ce45b60c087c9becd6
 2022-09-02 17:25:25 +00:00
drh
5fc3a8a32f If sqlite3PcacheMove() really performs a swap, then be sure to renumber the 
second page.

FossilOrigin-Name: 81cff9f1955874aade55daa94263f58f06d966bd51ad558755f92777069a7347
 2022-09-02 15:09:55 +00:00
drh
4e9bf5ace3 Enhance the pcache1 implementation so that during an xRekey operation if 
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
drh
e04c9f4b33 Mutex protect access to the sqlite3_test_directory and sqlite3_data_directory 
global variables.  See
[forum:/forumpost/719a11e1314d1c70|forum thread 719a11e1314d1c70].

FossilOrigin-Name: 8e6ad3a3e942a326cf16432e16d6596c7206c05b6f45cd0ff3a9b836bcfc9deb
 2022-09-02 11:45:26 +00:00
drh
fee6431392 Improved mutex protection of the sqlite3_temp_directory and 
sqlite3_data_directory global variables.

FossilOrigin-Name: ebbe9634d6dde9e097f61fb98a79111e46de422b7bbbd9ed3af7b6f22aacf5ec
 2022-09-02 11:12:16 +00:00
drh
18a3a48db1 Experimental changes to put sqlite3_temp_directory behind a mutex. 
FossilOrigin-Name: 5ee3515fbb88bf1ae5f8b507844f82dcc429380b6ebeab9b09b52b25ee60a60d
 2022-09-02 00:36:16 +00:00
drh
44132244fa Defer deleting a transient SELECT statement associated with a flattening 
of one arm of a compound SELECT until after the parse has completed.

FossilOrigin-Name: 1c4157c71cd1e062a9c2c79787d17e34e340f28ce1e40573851dfe174f5da7d7
 2022-09-01 13:51:09 +00:00
drh
a3fc683c80 In the query planner, add a heuristic that will reduce the cost of a full 
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
drh
9c3a114ca0 Enhance the b-tree page sorting code to ensure that sqlite3PagerRekey() never 
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
drh
78d15f097a Improved comments in pcache1.c. No changes to code. 
FossilOrigin-Name: dd017bb1b3e31c7692d29dc4865d6bda871e429978c8738a39160d0114e5bf9b
 2022-08-30 16:54:41 +00:00
drh
4d28830861 Any function call can abort. Take this into account when deciding if a DML 
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
drh
f0f025b340 More assert() statements in the page cache. 
FossilOrigin-Name: 7c96a56c0d1de966844da6c5a84c0cd6066130a10724797ce6f228a9182d9b85
 2022-08-27 16:11:00 +00:00
drh
f6e3e31625 Ensure that every pcache page always has either the PGHDR_DIRTY or the 
PGHDR_CLEAN bit set, even during transient page reshuffling during btree
balancing.

FossilOrigin-Name: e67f03c166277951725c194674c84da61c152a5820aa6df55a726f7dda838e92
 2022-08-27 14:43:34 +00:00
drh
23593f8e99 Ensure that sqlite3_prepare() inputs always have a semicolon terminator in 
speedtest1.

FossilOrigin-Name: c72756b0f2db30c622f00f43be9245d50e36049bd7740ee6332164f0c48f9c3d
 2022-08-25 19:29:35 +00:00
drh
09cb5eb5ac Add the --script option to speedtest1. 
FossilOrigin-Name: 1c87d7c58d5aec83f9e2ae3771a81aa17cfae0cf06169025a5db085e2d5749f9
 2022-08-25 19:19:25 +00:00
dan
aa07b36dd5 Remove a NEVER() macro for a condition that is actually reachable following an OOM. dbsqlfuzz crash-6ef3cd3b18ccc5de86120950a0498641acd90a33.txt. 
FossilOrigin-Name: b573e2cffa5fedc893ed30e76e47022b3617ac5583e1eb486afa810b2514c419
 2022-08-25 13:32:55 +00:00
drh
7383f5a7d9 Add a mutex to the sqlite3_db_config() interface so that it is threadsafe 
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
dan
2ce2b779bb Fix an inefficiency in the ".dump" command when outputing large blob literals. 
FossilOrigin-Name: c055d05dbdfd4643d5052c6e6a736c78651fdfcd78f15f791af903df3814832d
 2022-08-24 11:51:31 +00:00
drh
e5928b17ca Change the names of the Vdbe.pVNext and Vdbe.ppVPrev fields to make them 
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
drh
35908b167f Enhance assert() statements to enforce tighter bounds on the P5 operand of 
the OP_Next and OP_Prev opcodes.

FossilOrigin-Name: 4e0a07fc6f96e6e7726506b7a5ee942461c1381501f253893fa94d76023b634f
 2022-08-23 17:51:39 +00:00
stephan
f7415736d1 Add mksourceid binary to the clean rules and $(TESTPROGS) to distclean. 
FossilOrigin-Name: ae3e82f5a3332bea261aca6a0dd02063cf7056c023204cc10f1ae18d75249f91
 2022-08-23 16:55:19 +00:00
drh
376860ba88 Performance enhancement for sqlite3DbFree(). 
FossilOrigin-Name: c296a9d958ec360fc8d217363348b4918d665bccb3c4f27503a2dcef7db49052
 2022-08-22 15:18:37 +00:00
drh
41ce47c4f4 Add the new internal interface sqlite3DbNNFreeNN(db,ptr) where both the 
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
drh
05cb948bf7 Merge the test case for dbsqlfuzz 18fe4e257be7fa3ecfb0424ab7427e41e97ef9e3 
assertion fault, which is fixed with the previous check-in.

FossilOrigin-Name: 2d13ec086e96a5446462ce0f689c40c8196e740cd693f5967bfe9eb961f03463
 2022-08-20 19:45:41 +00:00
drh
00378fde23 Enhance the enforcement of SQLITE_VTAB_DIRECTONLY so that it applies to 
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
dan
f56291ed02 Add test case for fuzzer case crash-18fe4e. 
FossilOrigin-Name: 8372468bb5d8922cf20b8bbee34cfd6044ceb09c26a4efa79a5e6df2c7c4b730
 2022-08-19 20:10:51 +00:00
drh
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
drh
16b03c0196 Enhance the "PRAGMA integrity_check" statement so that it verifies the rows of 
a WITHOUT ROWID table are in the correct order.

FossilOrigin-Name: 62f934bff495850d0763e07ffa44a557f066ecba9d039363f32287213cba819f
 2022-08-17 18:07:52 +00:00
drh
0348fc722f Minor code simplification in the code generator for PRAGMA integrity check. 
FossilOrigin-Name: a3b9c7a6c9be5c78a93e5125f16237d2d84b977eca81f527af0198e96435a995
 2022-08-17 17:14:36 +00:00
drh
a8771a1736 Change the legacy RC4-based PRNG to use the RFC-7539 chacha20 algorithm. 
FossilOrigin-Name: a0f801151925e882e120f6ab685dcacb9d3268d25b52bc665c5b927bcc7dda1e
 2022-08-16 17:18:00 +00:00
drh
cd05aafa56 Fix obsolete comments. Add new comments. Fix non-standard spacing. 
FossilOrigin-Name: a0d224c6a69941dad1f2b35edcc7ddee343b99eae2aeed74043461f3e97ef5b4
 2022-08-16 16:57:33 +00:00
drh
534945ad07 Fix an off-by-one error in the ChaCha20 initialization code. 
FossilOrigin-Name: 72e220eed446ea9a02a6ef03e09a01bcb8bbca1f3b32d2e0bf52a17d9722e2f0
 2022-08-16 16:40:54 +00:00
drh
0f201fccc0 Omit an unnecessary test case from corruptN.test that does not work with the 
new RFC-7539 PRNG.

FossilOrigin-Name: d9e8c65ed25c4f6222c737f4244d5362dbe433d357f7d133765157446cf4e925
 2022-08-16 14:09:51 +00:00
dan
2756f806f2 Add assert() statements to verify that the SQLITE_OPEN_EXCLUSIVE flag is always passed to the VFS when opening a temporary file. 
FossilOrigin-Name: e123da49ccae61d591abded52f4721aa10f20d75935c9a3e3fe826a9b8df2317
 2022-08-16 10:52:35 +00:00
drh
9113c87ef3 Replace the RC4-based PRNG with one based on ChaCha20. 3x faster. 
FossilOrigin-Name: 084d8776fa95c75440530028171c56547a341c9a952ba2f29bb533b538603c78
 2022-08-16 00:04:40 +00:00
dan
207cb6f670 Extra test for SQLITE_MAX_COMPOUND_SELECT. 
FossilOrigin-Name: c271096736889530f392ff37e631a77f3bc9c46b290dbda245fa05249f4410fc
 2022-08-15 19:23:15 +00:00
drh
5187c955f6 The new --script option to dbtotxt.c looks for an SQL script at the head of 
the file and generates a CLI script that will construct the database then run
the SQL.

FossilOrigin-Name: 6170e638ebeb12cc40c3247324237978401f701afc270de88ad03e183e82cefc
 2022-08-15 18:36:08 +00:00
drh
9c5e1e40e3 In the documentation emphasize that the use of shared cache is discouraged. 
Fix test cases so that they all work with shared cache disabled.

FossilOrigin-Name: 52c3ae063e133c5f88cad2c3084cf46218f865ac817ab937e3529d2c6a7af300
 2022-08-15 12:26:26 +00:00
drh
087f143f87 Add the (undocumented) SQLITE_DEFAULT_UNIX_VFS compile-time option. 
FossilOrigin-Name: 49828bdec5f926cd18a069d39a5db0b1e1f3528a2affcfbaa1cf7b98aca51b3b
 2022-08-12 18:46:01 +00:00
stephan
5b0e63eb4c Minor wasm-related doc clarification and remove an obsolete code comment. 
FossilOrigin-Name: 1b1f650a08da93da97ed3a96b9a3e4eac567472c266188c02a9bffe1cf620e53
 2022-08-12 17:55:18 +00:00
stephan
e1c3462484 wasm: document the role of sqlite3-wasm.c. Other minor doc updates. 
FossilOrigin-Name: 4c10b9b18feca82440273f8192fef951ad051bbfd8aad4d3c840cf6375130afd
 2022-08-12 13:07:21 +00:00
stephan
e6d1650c5b wasm: corrected (in as-yet unused code) a flags check. 
FossilOrigin-Name: 06b6113783dd81252a5dd125e1cddb52a9d4e387c74cfb3ba88475e47a31060a
 2022-08-12 09:32:51 +00:00
stephan
fbfe5af903 Wasm-related doc additions and tweaks. 
FossilOrigin-Name: ec55a3aa44a80f661dd451b9ea567449ea4c7353901cfd44a4b50ca10f00ddbd
 2022-08-11 15:45:32 +00:00
stephan
9289c47df7 Merge in wasm-cleanups branch, reorganizing and updating the wasm-related components. 
FossilOrigin-Name: c072594d3de3d6893c5d4a9d68439b84d043325f105b0d065575765a6e66c196
 2022-08-11 09:18:09 +00:00
drh
f0d12d87fa Fix another harmless comment typo that causes a typo in the documentation. 
FossilOrigin-Name: bb084adb53386d8e52ca1e818a8322d2ec641b73fd8568cee01cc74c0ee9f265
 2022-08-10 18:40:43 +00:00
drh
778d334085 Remove (harmless) duplicate words in comments used to generate parts of the 
documentation.  [forum:/forumpost/54abbe9ccd|forum post 54abbe9ccd]

FossilOrigin-Name: b5e4f0db09ff7790862357df3c6fd38a2dcdfc82ff51b9f0d9470517648c844d
 2022-08-10 18:33:57 +00:00
dan
217635f709 Fix handling of columns with names that are SQL keywords in the ".expert" command. 
FossilOrigin-Name: 5e1b8221c385deb04a3ff5aafb2e9fc55aecc6ffc68328674e3afe56c4273e29
 2022-08-10 15:29:21 +00:00
stephan
2315e83463 wasm opfs: error handling fix for an impossible-to-reach error case. Minor cosmetic tweaks in the wasm JSON enum. 
FossilOrigin-Name: 683a3b937e608a5ecaf7f63f054e8a63179d67c8b2348bf843e5e68f27a369f5
 2022-08-10 13:22:44 +00:00
stephan
3961b26363 wasm refactoring part 2 of (apparently) 2: moved ext/fiddle/... into ext/wasm and restructured the core API-related parts of the JS/WASM considerably. 
FossilOrigin-Name: 27f9da4eaaff39d1d58e9ffef7ddccf1e41b3726914f754b920e3e1fb572cba6
 2022-08-10 11:26:08 +00:00