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100 check-ins occurring around d402f49871.

2022-05-12
11:45
Add IS NOT DISTINCT FROM and IS DISTINCT FROM binary operators which are equivalent to IS and IS NOT, respectively, for compatability with PostgreSQL and hence standard SQL. (check-in: db27611e user: drh tags: trunk)
11:01
Fix the ".echo" command of the CLI so that it shows the results of input lines immediately, before invoking sqlite3_prepare(). (check-in: cf7fdabd user: drh tags: trunk)
2022-05-11
20:29
Zap stray --help output from intermediate version. (Closed-Leaf check-in: deb7372b user: larrybr tags: echo-sql)
19:59
Change .echo on effect so that SQL is echoed before prepare. This slightly alters echoed output when multiple SQL statements are submitted at once. Also sync with trunk. (check-in: c1eff632 user: larrybr tags: echo-sql)
17:57
The unix interface now resolves all symbolic links in filenames before actually using those filenames. (check-in: d55273e3 user: drh tags: trunk)
17:45
Use osReadlink() in os_unix.c, not readlink() directly. (Closed-Leaf check-in: c3da4c16 user: drh tags: resolve-symlinks)
16:46
For the unix VFS, rewrite the xFullPathname method so that it automatically resolves all symbolic links, rendering a canonical pathname that contains no symlinks. (check-in: 40c9273d user: drh tags: resolve-symlinks)
03:42
Fix .import leak in CLI and add shell leak testing to debug builds and the Tcl test suite. (check-in: df842ebc user: larrybr tags: trunk)
03:29
Sync w/ trunk (Closed-Leaf check-in: 1284225b user: larrybr tags: import-leak-plug)
2022-05-10
23:28
Fix a bug in the sqlite3WhereMalloc() routines that were added by chekc-in [f237e1d8cc41b937]. The bug was detected by dbsqlfuzz test case 4c5e3e89bc251d28378be88233f531b84ec66901. (check-in: 764b7126 user: drh tags: trunk)
22:32
Make tester.tcl work on more Windows Tcl installations. And sync w/ trunk. (check-in: d25fbdf8 user: larrybr tags: import-leak-plug)
18:43
New requirement marks. (check-in: e8479e56 user: drh tags: trunk)
18:18
Fix a stale requirement mark. (check-in: fcda7fb1 user: drh tags: trunk)
17:42
Fix a stale requirement mark. (check-in: 3eda4030 user: drh tags: echo-sql)
15:55
Fix a harmless UBSAN warning. (check-in: 8f935502 user: drh tags: trunk)
14:57
Sync w/ trunk (check-in: b7285f92 user: larrybr tags: echo-sql)
14:55
For CLI, add ".echo sql" dot-command. (check-in: 35cef458 user: larrybr tags: echo-sql)
13:06
Merge all recent trunk changes into the reuse-schema branch. (check-in: 9f6d6e61 user: drh tags: reuse-schema)
12:45
Merge the latest trunk enhancements into theh begin-concurrent-pnu-wal2 branch. (check-in: d28af1f8 user: drh tags: begin-concurrent-pnu-wal2)
12:39
Merge recent trunk enhancements into the wal2 branch. (check-in: 33d77fea user: drh tags: wal2)
12:24
Merge the latest trunk enhancements into the begin-concurrent-report branch. Had to restore the sqlite3VdbeSerialPut() routine that was removed in check-in [6f4d6f212a3558c2] when it was inlined because that routine is used again in a different place by this branch. (check-in: e6b5224d user: drh tags: begin-concurrent-report)
12:00
Merge recent trunk enhancements into the begin-concurrent branch. (check-in: f65bd767 user: drh tags: begin-concurrent)
06:04
Sync w/trunk (check-in: 536691ed user: larrybr tags: import-leak-plug)
01:11
Cause most shell tests to be run under Tcl suite valgrind config. (check-in: cd085b36 user: larrybr tags: import-leak-plug)
00:24
Simplified "hidden" and "no-expand" handling in the *-expander. (check-in: c6c3115f user: drh tags: trunk)
2022-05-09
21:57
Update this branch with latest changes from trunk, and the fts5 fix for "BEGIN CCONCURRENT" transactions. (check-in: c0135441 user: dan tags: begin-concurrent-report-wal2)
18:33
Create new branch named "echo-sql" (check-in: 042f2935 user: larrybr tags: echo-sql)
17:55
Minor STAT4 test case change due to the ANALYZE enhancement of [eb59c46a5aed69bc|check-in eb59c46a5aed69bc]. (check-in: 8ce2fecb user: drh tags: trunk)
16:29
Add ALWAYS() on two unreachable branches in the * expander. (check-in: 387c8523 user: drh tags: trunk)
14:22
Ensure that fts5 closes the read-only blob handle used to read the fts index at the end of each xUpdate operation. This doesn't matter for stock SQLite, as the handle will be closed in the subsequent xRollback or xSync call, but prevents "BEGIN CONCURRENT" transactions from being committed on this branch. (check-in: 093b6084 user: dan tags: begin-concurrent-pnu-wal2)
12:59
Simplify a branch in the "*" expansion logic. New test case for an INSTEAD OF trigger on a RIGHT and FULL outer join. (check-in: d2717348 user: drh tags: trunk)
12:29
Simplify .import leak plug and arrange for CLI to be run under valgrind. (check-in: 0d3e2380 user: larrybr tags: import-leak-plug)
2022-05-07
03:53
Stop a memory leak in .import, and add leak complaint to CLI debug builds. (check-in: f5f09368 user: larrybr tags: import-leak-plug)
02:21
Create new branch named "import-leak-plug" (check-in: 4a4cecab user: larrybr tags: import-leak-plug)
2022-05-06
22:29
Perserve the requested reserved-bytes size for the database file when doing a VACUUM. (check-in: dac6d87c user: drh tags: trunk)
17:06
Merge the 3.38.5 fix into the 3.38 subbranch of reuse-schema. (Leaf check-in: bfccca2b user: drh tags: reuse-schema-3.38)
16:52
Merge the 3.38.5 fix into the begin-concurrent-wal2 subbranch for 3.38. (Leaf check-in: 0586b3e9 user: drh tags: begin-concurrent-wal2-3.38)
15:25
Version 3.38.5 (Leaf check-in: 78d9c993 user: drh tags: release, branch-3.38, version-3.38.5)
01:02
Prevent an infinite loop on SQLITE_ERROR_RETRY when trying to modify a corrupt schema while PRAGMA writeable_schema=ON is active. dbsqlfuzz ded83609f475cc989c7339d45efb5151c1495501 (check-in: 7fcdb760 user: drh tags: branch-3.38)
00:43
Prevent an infinite loop on SQLITE_ERROR_RETRY when trying to modify a corrupt schema while PRAGMA writeable_schema=ON is active. dbsqlfuzz ded83609f475cc989c7339d45efb5151c1495501 (check-in: 217b3323 user: drh tags: trunk)
2022-05-05
10:04
Update the version number to 3.38.5 (check-in: bf73b57f user: drh tags: branch-3.38)
10:03
Backout check-in [9fb20a21feb8f697] which was incorrect. (check-in: 66f65b32 user: drh tags: branch-3.38)
10:02
Backout check-in [9fb20a21feb8f697] which was incorrect. (check-in: 99225618 user: drh tags: trunk)
03:49
Cause CLI to use ExportHandler interface for its query output, and implement built-in subclasses of it, all in preparation for supporting implementations by shell extensions. (a WIP) (Leaf check-in: 9b37e0be user: larrybr tags: cli_extension)
2022-05-04
18:43
Improvements for name resolution for parenthsized joins. (check-in: 006b2d9c user: drh tags: trunk)
17:43
New test cases for RIGHT and FULL JOIN, focusing on cases that make use of Bloom filters, and a bug fix related to when ON-clause constraints are applied. (check-in: 67510354 user: drh tags: trunk)
17:30
Code EP_InnerJoin constraints at the same time that EP_FromJoin constraints are coded. (Closed-Leaf check-in: b57033d2 user: drh tags: joinD)
16:46
Merge version-3.38.4 into the reuse-schema-3.38 subbranch. (check-in: d5b0fd84 user: drh tags: reuse-schema-3.38)
16:36
Merge the version 3.38.4 fixes into the begin-concurrent-wal2-3.38 branch. (check-in: 8473718d user: drh tags: begin-concurrent-wal2-3.38)
15:45
Version 3.38.4 (check-in: d402f498 user: drh tags: release, branch-3.38, version-3.38.4)
14:46
Merge ON-clause constraint usage fix from trunk into the joinD branch. (check-in: 0a20d4a8 user: drh tags: joinD)
14:45
Fix ON-clause constraint usage for FULL and RIGHT JOINs. (check-in: 544268a7 user: drh tags: trunk)
11:49
New test cases using various join types and Bloom filters. Two cases differ from PG and need to be resolved. (check-in: befa8cbc user: drh tags: joinD)
03:48
Fix CLI use of wrong allocator for free(). (check-in: 4f83c442 user: larrybr tags: branch-3.38)
03:45
Fix CLI use of wrong allocator for free(). (check-in: 9fb20a21 user: larrybr tags: trunk)
02:01
In the query planner, do not let tables commute across any outer join. (check-in: 8cee5388 user: drh tags: trunk)
2022-05-03
21:58
Typos cleared from README.md (check-in: be3a1879 user: larrybr tags: trunk)
19:51
Fix multi-byte column name rendition on .import and display of NULL in columnar modes. (check-in: f863aabe user: larrybr tags: branch-3.38)
16:26
Merge Bloom filter bug fix from trunk into the right-join branch. (Closed-Leaf check-in: 72131ad1 user: drh tags: right-join)
16:18
Fix a typo in a comment. (check-in: c19c3c48 user: drh tags: right-join)
14:26
Increase the version number to 3.38.4. (check-in: def971a0 user: drh tags: branch-3.38)
14:25
Fix the Bloom filter pull-down optimization so that it jumps to the correct place if it encounters a NULL key. Fix for the bug described by forum thread 2482b32700384a0f. (check-in: 3dc9fc2f user: drh tags: branch-3.38)
14:01
Fix the Bloom filter pull-down optimization so that it jumps to the correct place if it encounters a NULL key. Fix for the bug described by forum thread 2482b32700384a0f. (check-in: 6eda9b1a user: drh tags: trunk)
12:11
Add assert()s to show that jumps always land an an instruction that is between 1 and Vdbe.nOp-1. Had these assert()s been in place before, they would have caused an assertion fault for the byte-code error reported by forum post 2482b32700. (check-in: 8f8a58fe user: drh tags: trunk)
2022-05-02
20:49
Organize the various flag bits of the ExprList_item object into a substructure so that the whole lot can be copied all at once. Faster and smaller code. (check-in: 5341d4bb user: drh tags: right-join)
20:14
Merge trunk fixes into the right-join branch. (check-in: e01f4c05 user: drh tags: right-join)
20:04
Improved comments. (check-in: 158b80be user: drh tags: right-join)
19:59
Name resolution and "*" wildcard expansion for parenthesized FROM clauses seems to work the same as PG. The code is chaos, however, and needs some cleanup. (check-in: 6f9c0b07 user: drh tags: right-join)
15:47
Remove a testcase() macro taht was made obsolete by [a8da85c57e07721d]. (check-in: 053cf45e user: drh tags: trunk)
15:31
Document (in comments) that the SQLITE_FlttnUnionAll bit has a specific value needed by TH3. (check-in: bcaa4a44 user: drh tags: trunk)
15:23
Fix a harmless compiler warning in sqlite3TreeViewWinFunc() (a routine that does not even appear in release builds). (check-in: daff6070 user: drh tags: trunk)
15:10
Merge the latest trunk fixes and enhancements into the right-join branch. (check-in: afbcf075 user: drh tags: right-join)
14:32
Improvement on check-in [a193749730d6cfba] so that the subroutine call to the IN operator right-hand side generator from the RIGHT JOIN no-match logic does not generate unreachable byte code. (check-in: cc458317 user: drh tags: trunk)
11:24
Bring the comments on sqlite3FindInIndex() into closer alignment with what that routine actually does. (check-in: 40f32747 user: drh tags: trunk)
2022-05-01
14:26
Remove FILE* from shell extension interface. (check-in: 27ff5ce5 user: larrybr tags: cli_extension)
04:55
Get sqlite3x.exe and extensions tested with MSVC build. (check-in: d2b16c29 user: larrybr tags: cli_extension)
2022-04-30
19:55
Defensive code in sqlite3TreeViewWindow() to fix a compiler warning. (check-in: b250c218 user: drh tags: trunk)
18:40
Simplified fix to the problem with subroutine reuse in the RIGHT JOIN no-match logic for a subquery on the right-hand side of an IN operator. The code still needs simplification. (check-in: a1937497 user: drh tags: trunk)
17:22
Fix another problem with subroutine reuse in the RIGHT JOIN no-match code for the subquery on the right-hand side of an IN operator. The current code works for all known cases, but seems unnecessarily complex and in need of simplification. Later: The fuzzer finds memory leaks with this version. (Closed-Leaf check-in: ad32da80 user: drh tags: not-working)
12:55
Preserve the COLLATE operator on an index on an expression when resolving the use of that expression into a reference to the index. See forum thread 7efabf4b03328e57 for details. (check-in: ef72f9e2 user: drh tags: branch-3.38)
12:35
Preserve the COLLATE operator on an index on an expression when resolving the use of that expression into a reference to the index. See forum thread 7efabf4b03328e57 for details. (check-in: a8da85c5 user: drh tags: trunk)
00:06
Further improvements to codeEqualityTerm() for cases when an IN operator with a right-hand side subquery is used as a constraint that needs to be processed by the RIGHT JOIN non-matched logic. (check-in: bb2798be user: drh tags: trunk)
00:05
Enhance the TreeView debugging output for Expr with opcode TK_IN so as to show the RHS table and the subroutine address. (check-in: aec1e4cd user: drh tags: trunk)
2022-04-29
21:38
For Tcl extension, get Tk option into MSVC build. (check-in: c3494fa7 user: larrybr tags: cli_extension)
19:00
Enhance the codeEqualityTerm() routine inside the code generator so that it is able to reuse an IN operator that has an invariant subquery on its right-hand side while coding the non-matched loop of a RIGHT JOIN. dbsqlfuzz 19f1102a70cf966ab249de56d944fc20dbebcfcf (check-in: 56dd3065 user: drh tags: trunk)
18:36
Get MSVC build going for sqlite3x.exe and extensions. And sync w/trunk. (check-in: cd5e57e0 user: larrybr tags: cli_extension)
17:45
With TreeView, only show the table columns for a SrcItem if the data source is a subquery rather than a persistent table. (check-in: 7b4a0d0f user: drh tags: trunk)
17:13
Multiple enhancements to the TreeView output for SrcItem, cherrypicked from the right-join experimental branch. (check-in: 293afa81 user: drh tags: trunk)
17:03
Show the USING clause as part of the tree-view display of SrcItem. (check-in: 9cba3ce5 user: drh tags: right-join)
12:09
Minor typo fix in a comment, for the benefit of broken IDE syntax highlighters. (check-in: 680ccecb user: drh tags: trunk)
2022-04-28
18:33
Fix problem with SQLITE_OMIT_VIRTUALTABLE builds. (check-in: a99ee612 user: dan tags: trunk)
18:17
In treeview.c, show the columns of the table associated with each SrcItem. (check-in: 3aafccb5 user: drh tags: right-join)
17:35
Tweaks to the name resolution on parenthesized joins. A small number of tests fail now due to extra columns appearing in the expansion of "*". (check-in: c8680491 user: drh tags: right-join)
12:52
Merge trunk enhancements into the right-join branch. (check-in: 3fd9706b user: drh tags: right-join)
2022-04-27
21:10
The -DSQLITE_MXFILENAMESZ=N option for some non-negative integer value N prevents SQLite from ever creating a hole larger than N bytes in a named file for which a size hint has been issued. The exception code never runs, except for cases when the application deliberately corrupts the size hint. (Leaf check-in: 0c2da4ff user: drh tags: mkfileholesz)
18:38
Fix a harmless typo in a comment. (check-in: e1f4a115 user: drh tags: trunk)
16:41
When computing STAT1 values using ANALYZE, if a ratio comes out to be between 1.0 and 1.1, then round it down to 1 rather than the using the default rounding rule of changing it to 2. The reduces the estimation error for the case where a column value is very nearly, but not quite unique. (check-in: eb59c46a user: drh tags: trunk)
13:33
Fix a test problem in rbubusy.test causing a crash under some circumstances. (check-in: bc5bbd9f user: dan tags: trunk)
13:12
Merge the version 3.38.3 fixes into the reuse-schema-3.8 subbranch. (check-in: 436d0a58 user: drh tags: reuse-schema-3.38)
13:00
Merge version 3.38.3 fixes onto the begin-concurrent-wal2-3.38 branch. (check-in: 5590f0a4 user: drh tags: begin-concurrent-wal2-3.38)