e61aa230ce
Attempt to suppress harmless compiler warnings reported by
...
[forum:/forumpost/fc98845c06|forum post fc98845c06].
FossilOrigin-Name: f6e6c5f94cef83645288568a344a0ff64e4ef17b10fab28996567a94db0a002a
2023-04-19 12:08:46 +00:00
6b507423a0
Small performance enhancement to integer-to-text conversion.
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FossilOrigin-Name: cfb3dba9b015ce7a75857978bfd2540b4d5be985d9d2ec4a5842b3089ed3da60
2023-04-12 18:57:50 +00:00
2fc9dc9330
Fix sqlite3_prepare() so that it only invokes the progress handler on every
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N-th call to sqlite3ProgressCheck(), where N is the progress handler step
count. Also fix faulty asserts exposed by the ability to interrupt in the
middle of sqlite3_prepare().
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2023-01-12 19:51:49 +00:00
f84cbd1676
Attempt to provide a mechanism to do early termination of long-running
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statement preparation by invoking the progress handler at strategic points
during sqlite3_parpare(). This experiment shows that sqlite3_prepare() might
leave the resulting prepared statement uninitialized following an interrupt.
FossilOrigin-Name: 79636f2d80aee70832913a78933da2a7e30cc037810b93903ebbc1925ea93fef
2023-01-12 13:25:48 +00:00
fbde3f50bf
Avoid an unnecessary call to strlen() in the sqlite3VdbeMemStringify() routine,
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for a performance increase and size reduction.
FossilOrigin-Name: 284382d37850f469dc4bf3ab8efd2f20971554e897f1ba3e94d3f2f0c35d97d0
2023-01-03 18:51:18 +00:00
231ff4b027
Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of easier to read query performance reports.
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FossilOrigin-Name: 55800833645739efeddcacef464c623931cb6aeb43f4219b4e4faf473c25c8bb
2022-12-02 20:32:22 +00:00
7741f3457a
Change the handling of hwtime.h to make it easier to compile performance
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measurement builds that make use of hwtime.h. This should not affect
productions builds.
FossilOrigin-Name: f64a224244743ab121371abd516fccbfc93c110e0952211764bd1b217e792c1b
2022-11-29 17:52:04 +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
0c7d3d399d
Remove many redundant checks for sqlite3.mallocFailed now that any OOM should
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cause Parse.nErr to be non-zero.
FossilOrigin-Name: 1f7fa46126ea33ed30e93186aff3df51068aeb4be6f79a102bfe8c4e44941d71
2022-01-24 16:47:12 +00:00
c692df2784
Make it so that any Parse object is always linked into the database conenction
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while it is active. Hence, an OOM will cause Parse.nErr to be set.
FossilOrigin-Name: 6a45d8fe8bfbc11a5b86d25237e1f8bccfb0f22f3dcaf004ba797aeb57b365ec
2022-01-24 15:34:55 +00:00
f62641e91c
Add the sqlite3_error_offset() interface. Use it in the CLI to provide
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better context for error messages.
FossilOrigin-Name: b518ce77439852759bc0901071f36d622b1314c9bf3d29c279dfcc405188b975
2021-12-24 20:22:13 +00:00
7e910f6422
Add SQLITE_TESTCTRL_LOGEST and enhance the LogEst utility program.
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Improvements to testability of bloom filters.
FossilOrigin-Name: 88b43d798cc5aa59855e92d3e658aee9f0a5def6ffbc5db77af048d75ecdf8cc
2021-12-09 01:28:15 +00:00
50fb7e09b4
Omit the OP_FilterInit opcode. Use OP_Blob to initialize each Bloom filter
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instead. Size the Bloom filter based on sqlite_stat1 size estimates rather
than a run-time measurement for improved testability.
FossilOrigin-Name: 8a9036ee617a6ad93bfe827b0789773c49d3d45b085cb76fa4b9b20a41b79b97
2021-12-06 20:16:53 +00:00
9fdd66e3c0
Enabled the testcase() macros under SQLITE_DEBUG.
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FossilOrigin-Name: 0ae8dd132db8331ca9cc42ad511066924f9d3a1d158ecdb630cebc41b6bd2493
2021-10-20 17:58:33 +00:00
f975107437
Protect all accesses to the FuncDef.u and Expr.u unions using nearby
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assert()s or branches.
FossilOrigin-Name: 9af863f065e0bef491c2ab7525194505f9516f4e6dfc789d2e3a9d2c2438533a
2021-10-07 13:40:29 +00:00
e534c7b97f
Restore the use of system isnan() that was removed by
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check-in [ea748edecb261f2b]. See
[forum:/forumpost/d7c530ac587f59e6|forum thread d7c530ac587f59e6].
FossilOrigin-Name: b3cfe23bec0b95ca673802526704200e2396df715fdded72aa71addd7f47e0e1
2021-09-06 11:44:19 +00:00
b70f2eabb4
Rename the Column.eType field to Column.eCType - with an extra "C".
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FossilOrigin-Name: b9b0dcd5af072c22f2ce71cf9584b5b572fbcfbce6410a7d703b586adb8938ba
2021-08-18 12:05:22 +00:00
5f9de6ecf4
Refactor sqlite3.magic into sqlite3.eOpenState.
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FossilOrigin-Name: e5d6512aa1fa0016a679c6e0cb665a0c67ad16f1daa0c18a96b2ebae1beefd15
2021-08-07 23:16:52 +00:00
15482bc3f3
Fix harmless compiler warnings. Omit redundant copies of os_common.h and
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hwtime.h from the amalgamation.
FossilOrigin-Name: 091427007818537bb2f860c42dad867cb19050899186d4d180d195a1c6a98798
2021-08-06 15:26:01 +00:00
cf9d36d1b3
Refactor field names in the Column object, zCnName and zCnColl, to make them
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unique and thus easier to find amid all the other code.
FossilOrigin-Name: 8b781dcaf68e0cf12a844708c82eee00193e340195cbca915d077e4846983bf3
2021-08-02 18:03:43 +00:00
c2df4d6adb
Recognize certain standard datatypes ("INT", "INTEGER", "REAL", "TEXT", and
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"BLOB") and if a column has one of those datatypes, store the type part of
the bit-field information in the Column structure to save space.
FossilOrigin-Name: d2da62a9df63036b02dadca3798de9e623c2680b3ef0c37d2b18bb88693afd7f
2021-07-30 23:30:30 +00:00
77441faff5
Avoid clownfeet in the names columns when the column names are quoted
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in the original CREATE TABLE statement.
FossilOrigin-Name: 980f7292afd45a8e73272e2139b55b99ab86167febec9fd0bf0356e8167b2ee9
2021-07-30 18:39:59 +00:00
88efc796c2
Size reduction and performance increase in sqlite3Prepare().
...
FossilOrigin-Name: 41f45c8e894f48049325ccfef12cec0887b636bfad5d531a47628eb9e8612924
2021-01-01 18:23:56 +00:00
359941bd33
Apple the same fix for ticket [9eda2697f5cc1aba] to text-to-integer
...
conversions that was done for floating point conversions by
check-in [1c76f1d8ec0937a2].
FossilOrigin-Name: aafb7a21041090e529491b0ce30c3902420be0551b1b2c55840a5fbb9105fb7d
2020-08-27 16:28:30 +00:00
48bf2d72b9
Fix unreachable branches.
...
FossilOrigin-Name: 905752da9815ff8242b3cb9a77b1ffdc5cfc76143f47c774890f617a542457a5
2020-07-30 17:14:55 +00:00
8deae5ade3
Fix signed/unsigned compiler warnings.
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FossilOrigin-Name: 1d69eee8b085d514f442840346f001b4785f8ec64f5ba66943e9577b26e2e29c
2020-07-29 12:23:20 +00:00
69306bf43a
Improvements to rootpage bounds checking during schema parse.
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FossilOrigin-Name: 75599a9731be19e213a8ae174b038a43381bc6883a6b7f4058c2c1625fdea432
2020-07-22 20:12:10 +00:00
abc3815860
Continuing work toward supporting unsigned 32-bit page numbers.
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FossilOrigin-Name: 9ce1710aad43cebe5ad50859c7685fb83e40cdd4a60913bd2b7e659bc59942fd
2020-07-22 13:38:04 +00:00
82b0f106ce
Add the sqlite3Int64ToText() routine and use it to convert integers to text,
...
as it is much faster than the generic text formatter.
FossilOrigin-Name: 14eed318aa9e6e16d1aa13a9f34e3822aa135c39ba06c77df7743509fed6c95e
2020-07-21 18:25:19 +00:00
15cedda902
Minor simplification to the 32-bit varint decoder.
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FossilOrigin-Name: 6ffd17b668a8ad561c37e89063afb6e7f8425e557e93025b7527fe3656585d77
2020-07-02 17:05:11 +00:00
d44390c8c5
Performance improvement for column name lookup.
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FossilOrigin-Name: 1e4b6a93987cdfbf829e2ff35ef417c290625f2894ad11949e301af518f1fb44
2020-04-06 18:16:31 +00:00
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
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
87969b2a11
When doing a test-to-double conversion on a BLOB with an odd number of bytes
...
and assuming a UTF16 encoding, ignore the last byte.
Ticket [9eda2697f5cc1aba].
FossilOrigin-Name: 1c76f1d8ec0937a2d2e4ce75f98494c953e9621db31945d7e44f45d90d1c3892
2020-01-08 12:17:46 +00:00
e3a4f2cf77
Fix an utterly harmless "applying zero offset to null pointer" UB warning
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in sqlite3AtoF():
FossilOrigin-Name: 052fdf5e58b41ccadaa5aac293ceb4d309ced661d46f3a52be9eb8d01d347a82
2019-12-13 23:38:57 +00:00
46a31cdf6b
Make sure the WITH stack in the Parse object is disabled following an error.
...
FossilOrigin-Name: de6e6d6846d6a41c4821454dfdc042096234df753be08c5567b79fe535d9b6ea
2019-11-09 14:38:58 +00:00
6dcf9a451e
Fix harmless compiler warning seen with MSVC.
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FossilOrigin-Name: 73a82114733af2a316f20eb8578badef307d14286c6ec03197744a6793425161
2019-10-10 23:58:16 +00:00
175b8f06f7
Remove support for STAT3. The sqlite_stat3 tables are ignored, if they
...
exist. STAT4 continues to work as it always has, and as it is a superset of
STAT3 is the recommended replacement.
FossilOrigin-Name: 1e17ea2fd1df4ad49138c787c8fe3207dd0c25c93f9001d52a9b69f8c12e841c
2019-08-08 15:24:17 +00:00
378a7d356b
A string consisting of a single '.' is not a floating point literal with extra
...
text at the end. Fix for ticket [412bba9b22c677da]
FossilOrigin-Name: 57050162294efec90caa5cc3c2f8c1a85215526adcf57b284ce2d2e799286b78
2019-06-10 23:45:10 +00:00
9a2782293c
When casting string values into numeric and the string has a prefix that looks
...
like a number but total string is not a well-formed number, then take extra
care that the result is either integer or real depending on what the prefix
looks like. Fix for tickets [e8bedb2a184001] and [4c2d7639f076aa].
FossilOrigin-Name: 67a68af5578f08d2be2e48cf4fd12a6cf35a09c47d259deda81950f7ee1f02f7
2019-06-07 22:26:08 +00:00
84422db987
Optimization to the round() SQL function for large input values without a
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fractional part.
FossilOrigin-Name: e95138f5f4febde598f39e031d6e4f4d5ad0adbd8dcdd34fd0baaa78ab393417
2019-05-30 13:47:10 +00:00
05921223c2
Smaller and faster sqlite3IsNaN() implementation makes deserialization of
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floating point values much faster.
FossilOrigin-Name: ea748edecb261f2b862d542daff6e99a6fd8879a8ace94b440d99e110577d1c1
2019-05-30 00:46:37 +00:00
8a3884efae
Much faster implementation of applyNumericAffinity() by avoiding some
...
unnecessary calls to sqlite3Atoi64().
FossilOrigin-Name: c1d8a3f65490eef2216f360d708b1746cbaa6dadce42c0950dc8e09b9ab28ee2
2019-05-29 21:18:27 +00:00
c2b893a7e0
Performance enhancement in sqlite3AtoF(). About 8% faster.
...
FossilOrigin-Name: 81721aa54587e20d031d528fb6b74d91671a6e950fa926dc63f4284466e70f0e
2019-05-25 18:17:53 +00:00
38a59af417
Use "long double" literals to initialize an array of "long double" objects.
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FossilOrigin-Name: 2e2ebad3ab636c4c65814ad41d417b105be8e254d609d0e08fbba4c5bd107bf3
2019-05-25 17:41:07 +00:00
7e6dc5d908
Fix the previous check-in [db9acef14d492121] so that the amalgamation build
...
works for systems for which lack HAVE_ISNAN.
FossilOrigin-Name: 3cc55e09e6c1de2059d97bdddf2fdfbdcc62c584b513f56faf9d3a39ef80cddd
2019-05-10 12:14:51 +00:00
698c86f40d
Small performance improvement on the variable-length integer decoder:
...
sqlite3GetVarint().
FossilOrigin-Name: 5df2bf62fcd4dfdaa195062dddbd5ce5420bc239b2649ac8f547e0db34e7f0bb
2019-04-17 12:07:08 +00:00
7e427337fe
Faster and smaller implementation of sqlite3StrICmp().
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FossilOrigin-Name: 7ac500fb5abfe1ad60f2ffdcc8fbe5ccc1c641bbeed53f00940e9ff78788e53d
2019-04-17 11:34:44 +00:00
0aa3231ff0
Enforce the SQLITE_LIMIT_COLUMN limit on virtual tables.
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FossilOrigin-Name: 0b6ae032c28e7fe34d81d1769f6e2901addbd1b95cd9a255dcef274061fb0164
2019-04-13 04:01:12 +00:00
c3dcdba387
Improved reporting of SQLITE_TOOBIG errors while parsing.
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FossilOrigin-Name: ea2d4b65e20e44e19219c821bf68e97ff3af1760b3b4762250d020ba2a5a6343
2019-04-09 21:32:46 +00:00
drh