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
bffd5c1ece
Fix a problem with the query optimizer for LIMIT/OFFSET queries when
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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
e24a6f58ae
Fix a typo on a comment used to generate bytecode documentation.
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FossilOrigin-Name: 64348d0b665f61c3a89f51341f23ca87f939dd9e306dc58c2004e46ab04e696e
2022-08-04 14:02:35 +00:00
3cf46ee508
Performance optimization to the math opcodes of the bytecode engine.
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FossilOrigin-Name: 597347d9c39f6ed068ac942a8c9853b1b745fce1eb5e9dd30f6c1cb312b36f53
2022-08-03 19:53:54 +00:00
403f00219b
Small performance increase on the binding interfaces.
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FossilOrigin-Name: aab24c37fb444804fb91177b4b522909ef1bb85383444d97d82a758f919047d2
2022-08-03 19:37:25 +00:00
3a17e2e5cf
Improvement on the previous check-in.
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FossilOrigin-Name: c1ab0ea2959259cbd29f624bfd5e7366035f2dbcaab72c0bf55723c0919b7a79
2022-08-03 17:26:32 +00:00
b5a6f33e50
For an IN operator used with a RIGHT JOIN, use the number of terms in the
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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
3b01dd0f5d
Restore a VDBE coverage macro that is mistakenly deleted for
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check-in [92ac01d41d46ab73].
FossilOrigin-Name: 01de7ec44fb1e8e6f847eaef433216b3163a44a8789451718e1c419ef840ddfb
2022-07-26 19:10:13 +00:00
b4d7f1eb88
Fix another problem related to aggregate query LEFT JOIN flattening.
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FossilOrigin-Name: 8e12c6f59bcb67be4ff131feecc5af68f4bb0afbcced2e2f7e73289aaf95d99d
2022-07-26 18:43:45 +00:00
1dd1303600
Omit a unused variable initialization in order to suppress a harmless compiler
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warning.
FossilOrigin-Name: 2d703c5e941cac72efc21d58e1e35c446b338b2927a42f587ab788826fd7f3f1
2022-07-26 15:41:34 +00:00
4b1b65ca2e
Make sure IF_NULL_ROW expressions receive a separate slot in the sorter used
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to implement GROUP BY.
FossilOrigin-Name: 2bda4fca06ab6be5ad02377a7d1fd9fb9586e3181f1052e4b4937958bdd45efe
2022-07-26 15:32:02 +00:00
f4c291275b
Improved AggInfo.aCol debugging output, intended to debug a problem with
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LEFT JOIN flattening into an aggregate query with GROUP BY.
FossilOrigin-Name: e717e029bde4ee68b6ea77a68721c02ddb6e296f1d310a368137ea3c4164f68c
2022-07-26 14:37:04 +00:00
e6710e83fc
Add a OOM term to a single assert() statement.
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FossilOrigin-Name: 217fc3ebd423e050508d6af97e0664f301824ef9a997ed2d302c006a41227917
2022-07-26 10:16:25 +00:00
3c8fb6fb84
Performance optimization: avoid unnecessary calls to computeLimitRegisters().
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FossilOrigin-Name: f48bd8f85d86fd93329dda7ba57f468854a732b89e4126e9c5beec3495d24b31
2022-07-26 01:20:18 +00:00
fe888bcf11
Fix an assert() that was made out-of-date by [b52393ac28debe98].
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FossilOrigin-Name: db8230e80ed894fc2801cdbb53c2cd9de00192d7f4d8328c29cc214e2e0adde9
2022-07-25 23:34:14 +00:00
509a6303d1
Performance optimization by only invoking sqlite3FkCheck() when it is actually
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needed.
FossilOrigin-Name: 98b0e830bc7effa3c9cbb77aebe7c128afc3b210af336b7516108d6435705ba0
2022-07-25 23:01:41 +00:00
ef69d2b277
Performance optimization in sqlite3ViewGetColumnNames().
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FossilOrigin-Name: 390717e68800af9b71acd635cf6cb123f9a591276df511f11462b42960f9a70c
2022-07-25 22:31:04 +00:00
f89812fe52
Fix a harmless compiler warning.
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FossilOrigin-Name: 9aba7417c60b30b44c051580f0f997a4d2fc86bc811b532d175305ad4c181fc6
2022-07-25 22:02:35 +00:00
2d2e528e1f
In-line a call to sqlite3ExprCode() in insert.c, for a size reduction and
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performance increase.
FossilOrigin-Name: 35066b1446228bf030795e7868509c7b54a5681984ac28bf43123f8fac2e361e
2022-07-25 21:37:13 +00:00
47e2fe3ce7
Performance optimization in computing the Expr.nHeight field.
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FossilOrigin-Name: 1798ce97c8763d75315e1716d10f6c5be301042c174f41ee8c1fb8d9db99d52b
2022-07-25 20:21:57 +00:00
058e99502a
Small performance increase and size reduction by splitting out the
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sqlite3VdbeGetLastOp() from sqlite3VdbeGetOp().
FossilOrigin-Name: 92ac01d41d46ab73e189b1e5596ea63e5edb5b15639c5d7bdb981b95366c069b
2022-07-25 19:05:24 +00:00
ee37302095
Allow subqueries on the right-hand side of a LEFT JOIN to be flattened even
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if they contain a GROUP BY clause.
FossilOrigin-Name: 816da9a893ae97a21463562479edb419a8b511ae731d86eccee3fa6e3e7dc96e
2022-07-25 15:54:23 +00:00
6b6d6c6bd2
TK_IF_NULL_ROW expressions must be accumulated in the same way as TK_COLUMN
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expressions in an aggregate query. Proposed fix for the problem identifyed by
dbsqlfuzz 8e17857db2c5a9294c975123ac807156a6559f13.
FossilOrigin-Name: 40d08807209638aad728be2cedbc904e342e76c8e486c364bd571b55dd2e1e87
2022-07-25 14:05:11 +00:00
7bace9e9bb
Simplifications to sqlite3FinishCoding() for a small size reduction and
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performance increase.
FossilOrigin-Name: a995614b9aedf4492e6d7b777293770f268837f8246e1678ef0523738c8a8339
2022-07-23 12:51:48 +00:00
3dedb87bd7
Remove a branch that is no longer reachable due to the previous check-in.
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FossilOrigin-Name: 8b4d1b9317624f443fe526858bfe3da5281ba83de1828c62935f48b3e7cf2a88
2022-07-23 00:53:48 +00:00
ee6b80c3b5
Use sqlite3ParserAddCleanup() rather than pParse->pConstExpr to implement
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sqlite3ExprDeferredDelete(). This is a better solution than check-in
[c538d07535092722].
FossilOrigin-Name: 2a6f6971fa010219323b976ff53b2606e39fb43fd36c394837c3a8528bf3c425
2022-07-23 00:44:44 +00:00
825fa17b1f
Omit the EP_MemToken flag that was made obsolete by [e1f1cfe7f4387b60], for
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a size reduction and performance increase.
FossilOrigin-Name: 28934a9d92d5e5ac862a0dc7169f071f39047f98dc79441db697cf353a4b9433
2022-07-22 19:28:04 +00:00
034d111807
In a TK_BLOB Expr node, the Expr.zToken might not be a well-formed
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BLOB literal if there has been a prior OOM.
dbsqlfuzz 23871e5805d6c45b392f9b7aa1e8a2b98f3c27cd.
FossilOrigin-Name: c538d075350927222ab0a6598b844f7b15153c5dc008d71b921a2b73c4f4a7a4
2022-07-22 18:25:04 +00:00
d00505dc97
Update the documentation for SQLITE_OPEN_NOFOLLOW to state more clearly that
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nothing in the database path is allowed to be a symbolic link.
FossilOrigin-Name: de9222697b2ca8cae2cc7aa9082cca3910038ebbab1e8ee15270b06711711a0b
2022-07-22 14:52:29 +00:00
9553016377
Make use of the sqlite3ExprDeferredDelete() interface in the previous
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check-in, and in another place where it might be helpful.
FossilOrigin-Name: 22f90e9683d5cd6619ccdb06a02e9dde9f4b7457391c0dbb4c3216c22fc0db47
2022-07-20 20:36:26 +00:00
3245f3be67
Simplify the logic that converts the "1" expression in "ORDER BY 1" into a
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copy of the expression that defines the first output column.
FossilOrigin-Name: e1f1cfe7f4387b60443bd31742e2f49db1a2d0443200318a898ba0da216619be
2022-07-20 16:42:40 +00:00
a5cc692422
Improve accuracy of julian day milliseconds calculation.
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FossilOrigin-Name: e5e9311863544ef30dccd3bd0b3a048a864a650e69cdf9aab13dbe32a4777b51
2022-07-19 21:12:54 +00:00
077e17b59a
Increase the size of loop variables in the printf() implementation to avoid
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harmless compiler warnings.
FossilOrigin-Name: aab790a16e1bdff78759f9c9ae87a2559ba82dd34ef3dedfb66035a0db7067a7
2022-07-18 15:02:00 +00:00
02cb3ff004
In the query planner, restore the former aggressiveness in reordering of
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FROM clause terms that existed prior to version 3.39.0 for queries that
contain no RIGHT or FULL JOINs.
FossilOrigin-Name: 92d60b64ebfc2d1f0a9cabaa88e7bf0d11737ed01a77b627af10dd1b96a5321c
2022-07-15 20:39:39 +00:00
b3623e0af7
Fix the whereKeyStats() routine (part of STAT4 processing only) so that it
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is able to cope with row-value comparisons against the primary key index
of a WITHOUT ROWID table.
[forum:/forumpost/3607259d3c|Forum post 3607259d3c].
FossilOrigin-Name: 0620e419a927a3da6ebe921aaa3471686f0fdc2e485f4c2d5c88f32092228724
2022-07-15 12:16:11 +00:00
e834484d89
When applying the omit-ORDER-BY optimization, defer deleting the AST of
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the deleted ORDER BY clause until after code generation ends.
FossilOrigin-Name: f22f95b838873f1d2a320afe3d0f4e4847948fcd343097b93a9f684a6f66d6ba
2022-07-14 01:48:27 +00:00
b88bf865c3
The query flattener should not run if the subquery is a compound that contains
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a RIGHT JOIN in any arm and the subquery is not the first element of the
outer query. Otherwise, prior elements of the outer query will not have
the JT_LTORJ flag set. Fix for the problem reported in
[forum:/forumpost/174afeae5734d42d|forum post 174afeae5734d42d].
FossilOrigin-Name: 274e244c85935084b2f0f85176283f018bf9b74e7703f985bd5a2f6f8bdcff5d
2022-07-13 15:52:15 +00:00
4413ec7255
Renamed the SQLITE_SHELL_WASM_WEB_MODE to SQLITE_SHELL_FIDDLE, which seems to be more in line with project convensions and indicates that that flag is only intended for /fiddle mode, as opposed to arbitrary wasm-on-the-web use.
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FossilOrigin-Name: d1d019bfa2f62b0dc39bba42e17786ca2e4362b6d11d206e5445a051a0f93ae0
2022-07-12 15:53:02 +00:00
ea1e3b4251
Renamed SQLITE_SHELL_WASM_MODE to SQLITE_SHELL_WASM_WEB_MODE and no longer automatically enable it if __EMSCRIPTEN__ is defined, in order to facilitate using Emscripten to build the shell for CLI-based WASM runtimes (which cannot make use of the web-specific user input changes). The fiddle build now explicitly passes the new flag on at compile-time.
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FossilOrigin-Name: ee059ad5a811a1511e37158f041a7bf9070529d530410d2f1c4395cdd25c6d33
2022-07-12 09:40:27 +00:00
b2d7137154
Back out the pager performance enhancement at [a1c090e08139f99d3], because it
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turns out we should never allow a zero key into the pcache interface according
to the design specs, even if that page is immediately released without ever
being used.
FossilOrigin-Name: ec96293ead83603ebe5d7f250d6fdc11f22172f05a9513f175331437c3eaa4c8
2022-07-12 07:13:38 +00:00
f1ab642cde
Fix harmless compiler warnings about unused debugging functions in treeview.c.
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FossilOrigin-Name: 4d6f907712e35eddf6af36eb823c3ccdfcdff1c63b2c224b3bcf34ffec95d511
2022-07-11 18:26:14 +00:00
drh