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41ce47c4f4
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24503 Commits

Author SHA1 Message Date
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
stephan
8c3b7501af wasm/fiddle refactoring part 1 of N: move fiddle app from ext/fiddle to ext/wasm/fiddle, which only contains files intended to be pushed to the live site. Disabled build of the non-fiddle wasm parts, pending a later step of the refactoring. 
FossilOrigin-Name: fb4eb93080288b60815be14afd7ddbbca470ce363fa3735352ea9a558fef583e
 2022-08-10 09:36:10 +00:00
stephan
3822e8ac47 Merged in trunk for pending tree refactoring. 
FossilOrigin-Name: c3a3cb0103126210692bbeb703e7b8793974042e1fc2473be6d0a0d9b07d5770
 2022-08-10 07:58:57 +00:00
drh
626bcc88dd Allow the name of an index to collide with a table in a different schema. 
FossilOrigin-Name: f963c2523872b59b8a7a14971f703f2eb0d021501b288597a958f6596885d0de
 2022-08-09 16:13:21 +00:00
drh
c8e9f6818b Omit the (undocumented) SQLITE_PCACHE_SEPARATE_HEADER compile-time option. 
FossilOrigin-Name: 60947da687d525e72e62bcddcdf4c5c819818855074cc318c9ee656e83897aef
 2022-08-09 14:28:54 +00:00
dan
6aafd74853 Avoid some cases of signed integer overflow in fts5 by casting to unsigned values. 
FossilOrigin-Name: 46a78c8c0ed518c4521e6e0bdebeb065bab07076abc444775002e7f4361d2242
 2022-08-08 19:29:53 +00:00
drh
26e817f69b Avoid trying to cast an over-sized floating point value into an integer. 
FossilOrigin-Name: 3518cd7cb1feeefc3963da72c2d258d81d8914f1e1f427da28a00b6228cf126c
 2022-08-08 16:25:13 +00:00
drh
5e10d892d6 Remove an unreachable branch in the numericType() helper routine. 
FossilOrigin-Name: a99cc008e46ab1a4fdbe2fa87202d026a10c57be55e3e9fedd935795ed6dc694
 2022-08-08 13:04:08 +00:00
drh
a3a4da0922 Do not attempt to convert an oversized floating point value into an integer. 
FossilOrigin-Name: 6c4fc8385ee22516e0b87fb647327ee7d1a564040ebe2a4d66fc999ef2908df2
 2022-08-08 12:19:13 +00:00
dan
8c3cc71a5a Fix a rounding error caused by scalar->logarithm->scalar conversion when using stat4 data to estimate some range scans. 
FossilOrigin-Name: 86e30d7c4bb1cebe25b66686d6d1ee170c1a88e5a6c1bed6652ebbb024d62062
 2022-08-06 15:28:37 +00:00
dan
8e658f0a13 Avoid having fts3 read uninitialized values when processing deferred tokens. 
FossilOrigin-Name: 98729c5fa6c4c418ca9779c35e6874c930e5cee5a90b5eb32b284a0f3762269e
 2022-08-05 17:16:00 +00:00
mistachkin
e2848932a5 Fix harmless compiler warning seen with MSVC. 
FossilOrigin-Name: e36217f2536d89f7a15a879fe3ead32307909c71ced42e1ae7b35f43d4744a80
 2022-08-05 05:30:07 +00:00
drh
bffd5c1ece Fix a problem with the query optimizer for LIMIT/OFFSET queries when 
underlying query is a UNION ALL and both arms of the UNION ALL are
subqueries with an ORDER BY clause.  This bug was reported at
[forum:/forumpost/6b5e9188f0657616|forum post 6b5e9188f0657616].  The
problem was introduced in 2015 (SQLite version 3.9.0) by check-in
[4b631364354068af].  See also ticket [b65cb2c8d91f6685].

FossilOrigin-Name: 6c806f64bbc9e98891bad0868575ee2ec5d0951ceb0c71d3ed417b45d5f27561
 2022-08-04 17:15:00 +00:00
drh
e24a6f58ae Fix a typo on a comment used to generate bytecode documentation. 
FossilOrigin-Name: 64348d0b665f61c3a89f51341f23ca87f939dd9e306dc58c2004e46ab04e696e
 2022-08-04 14:02:35 +00:00
drh
3cf46ee508 Performance optimization to the math opcodes of the bytecode engine. 
FossilOrigin-Name: 597347d9c39f6ed068ac942a8c9853b1b745fce1eb5e9dd30f6c1cb312b36f53
 2022-08-03 19:53:54 +00:00
drh
403f00219b Small performance increase on the binding interfaces. 
FossilOrigin-Name: aab24c37fb444804fb91177b4b522909ef1bb85383444d97d82a758f919047d2
 2022-08-03 19:37:25 +00:00
drh
3a17e2e5cf Improvement on the previous check-in. 
FossilOrigin-Name: c1ab0ea2959259cbd29f624bfd5e7366035f2dbcaab72c0bf55723c0919b7a79
 2022-08-03 17:26:32 +00:00
drh
b5a6f33e50 For an IN operator used with a RIGHT JOIN, use the number of terms in the 
vector, not the number of equality terms, to size the column map.
dbsqlfuzz 14cfdad6ca45e607163f54049ddf5065183dc657.

FossilOrigin-Name: b184c8d9222da6b420b5d7c439bbe4b737d92ffa27f5e933f4e1a9c8117b0ee5
 2022-08-03 15:58:44 +00:00
drh
f98109e7cb In the xUpdate method of the GeoPoly virtual table, make sure that the 
number of updated columns does not exceed the underlying implementation, even
if the virtual table object records an excess number of column in the nAux
field due to table constraints in the table definition.
Fix for the problem reported by
[forum:/forumpost/a096ab7d96bb057a|forum post a096ab7d96bb057a].

FossilOrigin-Name: a04dd475c2c8afdded0afecfd34c6c4c2f48cce520e09b7fa5172ff30f09209e
 2022-08-01 13:14:03 +00:00
drh
3b01dd0f5d Restore a VDBE coverage macro that is mistakenly deleted for 
check-in [92ac01d41d46ab73].

FossilOrigin-Name: 01de7ec44fb1e8e6f847eaef433216b3163a44a8789451718e1c419ef840ddfb
 2022-07-26 19:10:13 +00:00
dan
b4d7f1eb88 Fix another problem related to aggregate query LEFT JOIN flattening. 
FossilOrigin-Name: 8e12c6f59bcb67be4ff131feecc5af68f4bb0afbcced2e2f7e73289aaf95d99d
 2022-07-26 18:43:45 +00:00
drh
1dd1303600 Omit a unused variable initialization in order to suppress a harmless compiler 
warning.

FossilOrigin-Name: 2d703c5e941cac72efc21d58e1e35c446b338b2927a42f587ab788826fd7f3f1
 2022-07-26 15:41:34 +00:00
dan
4784a78d1c Add test cases related to fix [e717e029]. 
FossilOrigin-Name: 2909f36bfba8f34b818e5d9ecd8c759f05bbe25765089e78bb022de2b77a4f0f
 2022-07-26 15:39:32 +00:00
drh
4b1b65ca2e Make sure IF_NULL_ROW expressions receive a separate slot in the sorter used 
to implement GROUP BY.

FossilOrigin-Name: 2bda4fca06ab6be5ad02377a7d1fd9fb9586e3181f1052e4b4937958bdd45efe
 2022-07-26 15:32:02 +00:00