paulhorn/sqlite
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
25,086 Commits 1,696 Branches 387 Tags
ff5e4eccedbfc2294a8072888de596a8825adee0
Commit Graph

17076 Commits

Author SHA1 Message Date
drh ff5e4ecced This is the first in what is anticipated to be a long sequence of incremental 
changes aimed at improving aggregate query processing, and in particular
helping aggregate queries take better advantage of indexes on expression.
The end goal is to resolve ticket [99378177930f87bd], though it remains to
be seen whether or not I can get there with this approach.

FossilOrigin-Name: cba837eae93f6b842d4e78ef00661a4f09deb99c53f12b3e8f46763749602597
 2022-11-22 13:33:58 +00:00
drh c59b7a8053 Convert an ALWAYS() in sqlite3DbSpanDup() into an assert(), for a performance 
increase and size reduction.

FossilOrigin-Name: 21e80a29737c367babcc0cf2533eed61b5d0fcf3cc3c33ab88761899e394eaf3
 2022-11-22 12:47:32 +00:00
drh da217c958e Split out the debugging code that dumps an AggInfo object into a separate 
subroutine called printAggInfo() so that it can be invoked interactively
during debugging.  No changes to production code.

FossilOrigin-Name: dc33cfbedef4b444adeadea17f8183b7c4ce5b87432d0c712f986b34c7374ff1
 2022-11-21 17:40:23 +00:00
drh 03af6d7157 Change the name of the Parse.pIdxExpr field to pIdxEpr so that the name is 
distinct from all other identifiers in the code and thus less confusing.

FossilOrigin-Name: a2962d0187534f3496282b48efbf38dabcd226bf8972be925c8433c55a8853fe
 2022-11-21 16:40:12 +00:00
drh b53d8fa9f2 Performance optimization and size reduction in insertCell() by omitting 
the "pRC" argument and instead returning the result code as an integer.

FossilOrigin-Name: bee94d1bb0daade023cc1e274339daafc249e1978c0765fc45042b5f9060e478
 2022-11-21 15:55:57 +00:00
drh e7d5384418 Performance optimization to sqlite3BtreeInsert(). 
FossilOrigin-Name: b8976ebfe03fbc1e09a38d598a62493a7f19ff7a2a3acd1ec54d0dee190471e9
 2022-11-21 14:13:10 +00:00
drh d01dee5e6a Small performance improvement in sqlite3BtreeTransferRow(). 
FossilOrigin-Name: dab959ea3edf99788bfd76352cd46a3e56876b0e7d7008c6927aa14534853c50
 2022-11-21 13:35:00 +00:00
drh ecba10730d New assert()s confirm that BTREE_PREFORMAT must be the same value as 
OPFLAG_PREFORMAT.

FossilOrigin-Name: f40bf2c642643ae61d331e8d4815f601224fa258ab34344c6756966163a89f4a
 2022-11-19 20:10:55 +00:00
drh 5a1d659d79 Performance optimization in sqlite3BtreeInsert(). 
FossilOrigin-Name: 9776fa31758161970a50995a487b6543ed71e9610460b7324304ef21d9248707
 2022-11-19 19:37:26 +00:00
drh 16635fa777 Performance improvement and size reduction in balance_nonroot(). 
FossilOrigin-Name: 715bc81eb833ad4834d139a04085e0386c54c30d7395207e48972c4dfe5879c1
 2022-11-19 18:43:32 +00:00
drh 47de1f9e19 Small performance improvement and size reduction in btree. 
FossilOrigin-Name: daa07149c0a0fcb6a6a1ace6020ca68802588ed309f5aaaf99c871088bc46908
 2022-11-19 18:17:40 +00:00
drh 1e62057436 Improved comments on the pageFreeArray() routine of btree.c. No changes to 
code.

FossilOrigin-Name: 0c2adc6d3547b07e950ae49f07f688f71a21b3ad5a51f16f0e8d49ab91564582
 2022-11-19 14:18:48 +00:00
drh bf9b994f52 Streamline the decodeFlags() routine in btree.c for a small performance 
increase.

FossilOrigin-Name: 4cb285210b4a2b14c80962bf2ecb35be310d3444c329c15d86b3073096455704
 2022-11-19 13:09:03 +00:00
drh 85728a21c6 Small performance optimization in btree.c. 
FossilOrigin-Name: f710cce13577788cf3b95ed7089c3af2854271ff53f0a0b7b0619f315e331eff
 2022-11-19 00:22:12 +00:00
drh cf3107c7d4 Databases created using sqlite3_deserialize() should report their filename 
as an empty string, not as "x".  Fix for ticket [53043c9793715f08].

FossilOrigin-Name: ff494449efd475878c549728cc22ee9b12d13674068781747fc042a0c1bd09c8
 2022-11-19 00:08:35 +00:00
stephan 76abcfbdc0 shell.c.in: on non-Windows platforms, check for $XDG_CONFIG_HOME/sqlite3/sqliterc before ~/.sqliterc, per request in [forum:7a16582b1e403c81|forum post 7a16582b1e403c81]. 
FossilOrigin-Name: 17065d095d26a814acf1e13f5cc18b21fecc58eb8c9da100458029bb139fcd35
 2022-11-18 15:22:45 +00:00
drh 3c1572ddb4 Use the log10() and log2() functions from the standard C library to implement 
the equivalent SQL functions, in the hope that this will prevent reported
precision problems.
See [forum:/forumpost/cfceb1230bdcfd84|forum post cfceb1230bdcfd84] and the
surrounding thread.

FossilOrigin-Name: 7c572d02e60a83b36543ba4d9d45f61e9fc111b61fee085410c2d87558c732d6
 2022-11-17 14:40:33 +00:00
drh 823872c6d6 Split out the documentation for sqlite3_value_encoding() into its own 
page and make it clear that this interface is intended for testing and
debugging only.
[forum:/forumpost/c9f445453da950ad|Forum thread c9f445453da950ad].
Comment changes only - no changes to code.

FossilOrigin-Name: 9048a766ff7dfa0cd91ea74092e462f4501cb3f719033ccb55700bf5e4dfd0d3
 2022-11-17 13:58:25 +00:00
drh 841c98e14c Raise an error if an attempt is made to compile the CLI with the 
SQLITE_OMIT_COMPLETE option, since sqlite3_complete() really is necessary
for the CLI to operate sanely.

FossilOrigin-Name: a119a9e2ade4eac5feb1aa885c15b83e725f87386351de99d3abb49656219d50
 2022-11-17 01:24:06 +00:00
drh 08efa45113 Fix harmless typo in comment, reported by Debian in Fossil 
[https://fossil-scm.org/forum/forumpost/15f7327318].

FossilOrigin-Name: 5689f0d9ad1be532b274508938b25ff0d63027b8cc31f796dfaa2cca71d53642
 2022-11-16 19:57:21 +00:00
drh a07df967f5 Avoid returning SQLITE_SCHEMA if the first query run on a connection 
is "SELECT nosuchcolumn" or similar.
[forum:/forumpost/c1798f77ef|Forum post c1798f77ef]

FossilOrigin-Name: 3dc4f75d77417df1ef19be8e3191d246fb44ca7f7d1de7b161c5cb0f8aafeded
 2022-11-16 19:53:39 +00:00
drh a70a01dbcb Previous change to the fake_big_file command in the test harness was not 
correct.  This one should fix the problem.

FossilOrigin-Name: 6ee57a2e4e3399481100c40da0229d2d33cbe3290016185c8a60839d14b209f6
 2022-11-14 19:42:01 +00:00
drh 1da477d3ab Change the fake_big_file test command so that it fails for files larger than 
2MB on Windows, as we have observed that Window10 will sometimes bluescreen
when operating on very large sparse files.

FossilOrigin-Name: d39ffd2abadcc85c46ba17612f9f575005b4818e18bf39362b8ee574837cfad9
 2022-11-14 18:57:21 +00:00
drh 7e475e571f Disable the ability to change the schema_version cookie when 
SQLITE_DBCONFIG_DEFENSIVE mode is enabled.  This is a security
enhancement inspired by the question in
[forum:/forumpost/2b9cc3dae1f1e5f6|forum post 2b9cc3dae1f1e5f6].

FossilOrigin-Name: 1d81381e8f5db5d7064cc313b8544ca3cb1ca9e8cd61e71368a2d2e598befc9c
 2022-11-12 17:17:01 +00:00
drh a6303704a3 Remove unnecessary tabs in the ChaCha20 implementation. 
[forum:/forumpost/0cdce5db8c|Forum post 0cdce5db8c].

FossilOrigin-Name: b7179efbdb2bdc878acec0abfe272821f7e0d7d9e5ef06cd7fd796ef295e54ab
 2022-11-10 23:10:11 +00:00
dan 873a84054c Avoid returning SQLITE_SCHEMA if the first query run on a connection is "SELECT nosuchcolumn" or similar. Forum post <https://sqlite.org/forum/forumpost/c1798f77ef>. 
FossilOrigin-Name: d31c019fd6849e4c3f8452e75c6cfefd613ade5355e896be368bd16fef28c627
 2022-11-10 19:19:52 +00:00
drh 80fafc25ce Further improvements to the handling of the u32 and u16 typedefs in the 
shell.c source file.

FossilOrigin-Name: 55a19677d723147aeb2b4a86bbd01756ddeb2072cba72c3145ad32d335e203b0
 2022-11-07 19:40:20 +00:00
drh 54422235e9 Fix an obsolete comment. 
FossilOrigin-Name: e377c0a1ef030395293c5f24d7cb8e5b36ce972e9fac31b99c8425075486a46a
 2022-11-07 15:23:51 +00:00
drh e38b6e0318 Fix typo in comment. 
FossilOrigin-Name: c3b94d7d4697a5c3983253f6266c544d8037617778a09d491bc12eb13f08ac75
 2022-11-07 15:01:05 +00:00
drh da01757870 Fix requirements marks so that they match documentation corrections. 
FossilOrigin-Name: 10d6189d23133006b39ea230045a918483721dd48f5558f77e57e23693097d16
 2022-11-07 12:21:06 +00:00
drh 1407458c6f Fix the documentation regarding negative length parameters for 
sqlite3_result_text() interfaces, to point out that the length parameter
to sqlite3_result_text64() cannot be negative.
[forum:/forumpost/cf1d043b07|Forum post cf1d043b07].
Comment/documentation change only.

FossilOrigin-Name: 8016507651f377b08deb3a13cc559d56ce6e934c3073a8e63d05fd946b8403a4
 2022-11-07 11:19:28 +00:00
stephan 6e8a3341ea shell.c.in: on non-Windows platforms, check for $XDG_CONFIG_HOME/sqlite3/sqliterc before ~/.sqliterc, per request in [forum:7a16582b1e403c81|forum post 7a16582b1e403c81]. 
FossilOrigin-Name: 49c6e438a83b9ff40ebadd3dfd5f58e6eea053575e15335909f5ee59a6dba82c
 2022-11-06 13:12:11 +00:00
drh 881f0f4114 Remove an unimportant testcase() macro that is no longer reachable due to the 
improvement in corruption detection.

FossilOrigin-Name: cd7e3568a9b0c0f5ef5ca8a29c55cefe2bbad2dbc88a3718a87bb24a8ada3b7f
 2022-11-04 12:59:04 +00:00
drh 093677add4 Enhance the ability of the OP_Found and similar opcodes to detect truncated 
index records and report SQLITE_CORRUPT.
dbsqlfuzz 2b12f90aeff8e081706c7e9b58834f04869f446c.  Test cases in TH3.

FossilOrigin-Name: 059a09da2c5fd9c7e723c713565fbaf71602079feef0704129cc5cbbd0033936
 2022-11-04 11:54:42 +00:00
drh 2cdcc7f01a Clarify documentation regarding the --recovery-db option to ".recover" and 
the magic 789 configuration option it is associated with.

FossilOrigin-Name: f6fa0cffa921ccde8910e7fa4a63c2e4ef8ddb376c8ce99e436b27ac332c4498
 2022-11-02 14:08:26 +00:00
drh 6da7cc9b4c Fix harmless compiler warnings. 
FossilOrigin-Name: de829770aa0f59b4cd3ab1dc5eec90be82663dca3199c2cf6d97f4c41ce9f799
 2022-11-01 18:56:39 +00:00
dan 52d5d474f5 Instead of (const char*), use a special type - sqlite3_filename - as the filename argument passed to VFS method xOpen(). 
FossilOrigin-Name: bd1fe4de8a2e8b8de19a7f90b9fdafb641ad11a6f0c96c0b4495d5bf80885675
 2022-11-01 17:43:19 +00:00
drh dddec5cadd Fix a #ifdef involving SQLITE_OS_KV that was adding code unnecessarily. 
FossilOrigin-Name: b6c1b6e4a3bc21c40d6faca6f70842df5201f21c96a076a895410660630461c0
 2022-11-01 13:12:20 +00:00
drh dc5e8c63bd Improvements to comments. Change the "optimization_control" TCL command 
in the test harness so that it returns the new optimization mask, for
verification.

FossilOrigin-Name: a3a500127d4752ee05c183e9ac97a2bc27768bf7063b04b5c1405cd3fd3931f5
 2022-11-01 12:01:10 +00:00
drh b6d9167945 Do not flatten a UNION ALL subquery where the column affinities do not match 
on all arms.  Force that subquery to be materialized.

FossilOrigin-Name: 1b8a128832c1633cbb86999d347fef64ac45fe134dac61132112fc97f24676a0
 2022-11-01 01:07:29 +00:00
drh 5fdb9a352c Enforce column affinity on the materialization of a subquery or view. 
FossilOrigin-Name: b6692de374d7f489d8cf8877bdfef19501bc5ecb0781d42750807eeb58f2e7cd
 2022-11-01 00:52:22 +00:00
drh c7dd9b60eb Make the UPDATE method of the sqlite_dbpage virtual table rebust against 
OOM errors.  [forum:/forumpost/bbcf0dd6ca|Forum post bbcf0dd6ca].  Test case
in TH3.

FossilOrigin-Name: d15c9a4a323b825eb80e706e12e9df95e5db458024f51e6e537940efc8234d8b
 2022-10-31 18:01:05 +00:00
drh 1e84e1e632 Extra OOM check in shell_error_context() of the CLI. 
[forum:/forumpost/5708841db0|forum post 5708841db0].

FossilOrigin-Name: cb12ac5de17e677f089d7b0b46803efbd9a9178972ffb0454a8b557b06633658
 2022-10-31 01:22:38 +00:00
drh 4853aa18f0 In the CLI, ensure that input to utf8_width_print is not NULL, or if it is, 
change it to an empty string.  For for the problem reported by
[forum:/forumpost/2961cf13eec61876|forum post 2961cf13eec61876].

FossilOrigin-Name: 9ecc9d25ea62a7777bbf621989a5c577b612784121a20465cda4d4023fa9634d
 2022-10-27 18:20:08 +00:00
dan f7fea5b4b8 Change the name of the ".recover" command option "--freelist-corrupt" to "--ignore-freelist". 
FossilOrigin-Name: afce8443ace57c3c99c6810be98f05ed716ae504b68098726c869843c643bbf0
 2022-10-27 18:19:45 +00:00
drh fd6080637c Automatically set temp_store=MEMORY if the VFS is kvvfs. 
FossilOrigin-Name: a4d40f6346e7eb2a5239684dba86f297358122768a4d4bf6786b6028f4300e04
 2022-10-27 14:28:15 +00:00
drh 9c17ee4f93 Do not accept a NULL pointer for the filename in KVVFS. 
FossilOrigin-Name: fdecbd3b5bcdeb358015f461ac6c863f12ab180ab4624ed50734e41e557d8186
 2022-10-27 14:00:21 +00:00
drh f7b58da831 The kvvfs VFS should remember the page size when writing to the database. 
FossilOrigin-Name: fc5503c8acb085042e877c9de43256a4fee27f63ab35e2ddad18e40734ed00d4
 2022-10-27 12:46:17 +00:00
stephan bb5136e5cb Re-enable the .recovery and .dbinfo commands in shell.c.in in the fiddle build, as those were fixed by [3d20d77a3511] and [cd0aa27d1732]. 
FossilOrigin-Name: ba3a7a4a9997f62b78467d78d95fa5b58a03ecb2e2ccb68f4d316fc08fd02f86
 2022-10-27 11:32:20 +00:00
stephan 3d420836fd Restructure and simplify the feature-detection #defines of the recovery support in shell.c.in and disable it when building fiddle because it uses features we elide from the wasm build (e.g. utf16), leading to link errors. 
FossilOrigin-Name: ddd10c05c5d16d7205c347c5c1e73a75faecb2b7ec88a4a15875856765e1b143
 2022-10-27 03:56:01 +00:00