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100 check-ins occurring around 89209000a205c685.

2018-04-23
20:04
Fix a formatting issue in the TreeView output for bare expression lists. (check-in: a6356817 user: drh tags: trunk)
19:30
Disable the OR optimization based on expressions in the ON clause of a LEFT JOIN. This is a temporary measure until we can devise a better fix. (Closed-Leaf check-in: 4df5ea93 user: drh tags: begin-concurrent-pnu-tempfix)
18:38
Add the ".imposter off" variant of the ".imposter" dot-command in the CLI. (check-in: d3dad06f user: drh tags: trunk)
17:43
The ".selecttrace 0x2000" command causes just the top-level parse tree to be displayed, after all transformations, and showing the EQP iSelectId at each level. (check-in: ca34c2dd user: drh tags: trunk)
17:18
The ".selecttrace 4" command now shows only a single parse tree after name resolution. (check-in: 5682146e user: drh tags: trunk)
17:09
Do not restore the iSelectId value until after the last SELECTTRACE when debugging Select processing. (check-in: 8088d8ca user: drh tags: trunk)
17:02
In the ".selecttrace" output, include the EXPLAIN QUERY PLAN iSelectId as part of each Select identifier. (check-in: 5c6339f9 user: drh tags: trunk)
13:28
Ensure that there are no bind-parameters or incorrect schema references in the UPSERT portions of an INSERT within a TRIGGER. (check-in: d47a6bdd user: drh tags: trunk)
00:25
Fix an unreachable branch associated with stack overflow in the LEMON-generated parser. (check-in: e3064ba3 user: drh tags: trunk)
2018-04-21
22:40
Performance improvements on the main loop of the LEMON-generated parser. (check-in: fec1ebad user: drh tags: trunk)
20:24
Enhance LEMON to track which symbols actually carry semantic content. Output the list of symbols that do not carry content at the end of the report, but do not (yet) do anything else with the information. (check-in: dcf2bafc user: drh tags: trunk)
14:11
A few more tests for upsert. (check-in: b78005b6 user: dan tags: trunk)
13:51
Add the %extra_context directive to lemon, as an alternative to %extra_argument. Use this to improve the performance of the parser. (check-in: be47a6f5 user: drh tags: trunk)
03:06
Fix UPSERT so that it plays nicely with AUTOINCREMENT. (check-in: 359725ab user: drh tags: trunk)
2018-04-20
20:47
Add the -dDIRECTORY command-line option to LEMON. (check-in: 9cd20475 user: drh tags: trunk)
20:37
Enhance the "rbu" command line utility a bit. (check-in: 61eb516f user: dan tags: trunk)
20:09
Fix a harmless compiler warning. (check-in: d2ab24f5 user: drh tags: trunk)
19:46
Avoid the use of statement journals on DELETEs of a single row without triggers or foreign keys. (check-in: 20bf5800 user: drh tags: trunk)
19:32
Avoid opening a statement journal on single-row UPDATEs without triggers or FK constraints. (check-in: 2772404b user: drh tags: trunk)
18:01
Fix a VDBE comment on upsert. Provide an error message when upsert detects index corruption. (check-in: 279c48f6 user: drh tags: trunk)
17:50
Add tests for name resolution in ON CONFLICT clauses. (check-in: cf253584 user: dan tags: trunk)
17:02
Avoid unnecessary cursor seeking when performing an UPSERT. (check-in: 693a3dcb user: drh tags: trunk)
16:49
Improved VDBE comment on UPSERT code. (Closed-Leaf check-in: 131ed95e user: drh tags: upsert-opt2)
16:27
Minor simplification of the previous checkin. (check-in: d1906689 user: drh tags: upsert-opt2)
15:56
Avoid unnecessary cursor seeks during upsert processing. (check-in: 7c4b6d54 user: drh tags: upsert-opt2)
15:34
Add test cases for UPSERT. And a fix for a "REPLACE INTO ... ON CONFLICT" statement where the new row conflicts with both the IPK and the ON CONFLICT indexes. (check-in: d8eb9f8d user: dan tags: trunk)
13:18
Enhance UPSERT so that the UPDATE uses the same set of cursors as the INSERT. (check-in: c37f39d1 user: drh tags: trunk)
00:40
Minor simplification of the cursor allocation logic for update. (check-in: fdf71be6 user: drh tags: trunk)
2018-04-19
23:52
Fix the handling of "PRAGMA count_changes=ON" with UPSERT. Also improved the implementation of count_changes in other places, without changing the behavior. (check-in: c6f71115 user: drh tags: trunk)
21:29
Minor simplification to the upsert logic. (check-in: e657c1d6 user: drh tags: trunk)
20:18
Avoid unnecessary OP_Goto instructions on an upsert of a table that only has a single secondary index. (Leaf check-in: 97dd21ab user: drh tags: upsert-opt)
20:06
Modify a test case in zipfile2.test to take into account that with some platform/file-system combinations it is possible to fopen() and fread() (but not fwrite()) a directory. (check-in: 893e6089 user: dan tags: trunk)
16:52
Add the --upsert option to the wordcount test program. (check-in: ee1e750b user: drh tags: trunk)
16:14
Add the ext/misc/templatevtab.c template for virtual tables. This is a work-in-progress as it still needs improvements to the comments in order to be useful as a template. (check-in: 22358fb5 user: drh tags: trunk)
13:52
Fix a problem in the new upsert implemention, discovered by OSSFuzz. (check-in: b6d5ea59 user: drh tags: trunk)
11:45
Fix the table name aliasing on INSERT so that it occurs before the column list rather than afterwards, just as it does for PostgreSQL. Add table name aliasing to UPDATE and DELETE. (check-in: 861a2e2a user: drh tags: trunk)
2018-04-18
19:56
Add the "sorter-reference" optimization, allowing SQLite to be configured so that some required values may be loaded from the database after external sorting occurs for SELECT statements with ORDER BY clauses that are not satisfied by database indexes. (check-in: ef74090a user: dan tags: trunk)
19:45
Minor changes to test script upsert4.test. (check-in: 0cb83c84 user: dan tags: trunk)
19:08
Avoid a NULL-pointer deref following OOM. (Closed-Leaf check-in: 413015c0 user: drh tags: sorter-reference)
18:19
Fix a test case inside distinct.test. (check-in: 61cb8a39 user: drh tags: trunk)
18:18
Improved matching of COLLATE clauses within the ON CONFLICT conflict-target. (check-in: 8f4376e5 user: drh tags: trunk)
17:56
Add extra test cases for UPSERT. (check-in: 7ea08d07 user: dan tags: trunk)
17:52
Fix a problem in the sqlite3ExprCompare() function that caused two dissimilar expressions to match if they have the same "COLLATE name" at the outer layer. (check-in: fb16348a user: drh tags: trunk)
16:03
Add support for PostgreSQL UPSERT syntax and functionality. (check-in: fba24aec user: drh tags: trunk)
15:33
Fix the build for SQLITE_OMIT_UPSERT (Closed-Leaf check-in: 32956519 user: drh tags: upsert)
15:21
Add the --sorterref N option to the CLI. (check-in: 902a4089 user: drh tags: sorter-reference)
14:48
Omit some code not used without SQLITE_ENABLE_SORTER_REFERENCES. Improvements to comments used for documentation. (check-in: f3596ab9 user: drh tags: sorter-reference)
14:04
Remove an unused local variable. (check-in: 9afeb0c8 user: drh tags: sorter-reference)
11:35
Enhance ALTER TABLE ADD COLUMN to support "DEFAULT true" and "DEFAULT false". (check-in: 594ebc69 user: drh tags: trunk)
10:44
Add checks to the CLI that issue a warning if SQLite gets initialized prior to the last sqlite3_config() call. (check-in: 40b11734 user: drh tags: trunk)
09:16
Fix a problem in the shell preventing it from working with SQLITE_OMIT_AUTOINIT builds. (check-in: 89209000 user: dan tags: trunk)
01:34
Add new testcase() macros and fix a bug that was revealed when trying to cover all the new test cases. (check-in: 266a99f7 user: drh tags: upsert)
2018-04-17
21:59
Remove unreachable branches. 100% MC/DC in TH3 now. (check-in: 558865d5 user: drh tags: upsert)
20:09
Added a comment on the assert() added to the previous check-in. (check-in: 542547c1 user: drh tags: upsert)
20:06
Fixes to the logic for constraint check reordering during upsert. Improved comments on constraint check bytecode. Add an assert that prevents the same label from being resolved more than once. (check-in: 1ddbb0ff user: drh tags: upsert)
19:29
During PRAGMA vdbe_addoptrace=ON, show calls to sqlite3VdbeResolveLabel() in the debugging output. (check-in: 9ff07a06 user: drh tags: upsert)
18:50
TK_REGISTER expressions nodes are probably not constant. Make sure sqlite3ExprIsConstant() knows this. (check-in: f3d91cad user: drh tags: upsert)
18:18
Simplification to the upsert logic. (check-in: f36d07a5 user: drh tags: upsert)
18:16
Add some more simple test cases for UPSERT. And a minor fix. (check-in: 27cd3b2f user: dan tags: upsert)
16:16
New test cases for upsert. (check-in: 907b5a37 user: drh tags: upsert)
2018-04-16
21:12
Add SQLITE_CONFIG_SORTERREF_SIZE configuration option. (check-in: b25a7bb7 user: dan tags: sorter-reference)
14:36
Merge the Lemon enhancement from trunk, resulting in smaller parser tables. (check-in: 641f4172 user: drh tags: upsert)
14:31
Lemon enhancements: (1) Do not allocate space for the 'error' non-terminal if it is not used. (2) Fix an off-by-one problem so that 'unsigned char' can be used for symbol numbers if the number of symbols is 256. (check-in: 3b7801ac user: drh tags: trunk)
13:26
Remove the MySQL upsert syntax. As an optional alias to the insert table name in order to finish out PostgreSQL upsert syntax emulation. (check-in: 810d9f63 user: drh tags: upsert)
13:00
Add support for the "excluded.*" names in the UPDATE clause of an upsert. (check-in: 0203f34f user: drh tags: upsert)
10:47
Merge changes from trunk. (check-in: 54d96772 user: drh tags: upsert)
10:41
Increase the version number to 3.24.0 (check-in: f94528e1 user: drh tags: trunk)
10:34
Reduce the size of the NameContext object by grouping seldom-used fields into a union. (check-in: dba3095f user: drh tags: trunk)
2018-04-14
22:35
Get upsert working on WITHOUT ROWID tables. (check-in: d3c53fd3 user: drh tags: upsert)
20:24
Make sure constraint checks occur in the correct order, even in the presence of upserts. (check-in: 07fb30c3 user: drh tags: upsert)
18:46
Experimental change to "SELECT * FROM ... ORDER BY" processing to load some column values from the db after sorting. (check-in: 9719cb46 user: dan tags: sorter-reference)
2018-04-13
21:55
First cut at logic to perform DO UPDATE for rowid tables. (check-in: a9080bc8 user: drh tags: upsert)
18:59
Add infrastructure for doing an UPDATE as part of an UPSERT. Still no actual UPDATE code, however. (check-in: 6d3017f9 user: drh tags: upsert)
16:29
Merge the preupdate hook change from trunk. (check-in: 7353caab user: drh tags: upsert)
16:23
Remove an always-true branch from the preupdate hook logic. (check-in: 0ab45188 user: drh tags: trunk)
15:14
Get the ON CONFLICT DO NOTHING form of upsert working by mapping it into INSERT OR IGNORE. (check-in: d07f05e9 user: drh tags: upsert)
14:27
Get the conflict-target clause parsing working correctly, with test cases. This change involves an enhancement to sqlite3ExprCompare() which needs to be reviewed on trunk prior to merging. (check-in: 5bf70425 user: drh tags: upsert)
13:44
Improved conflict-target matching logic. (check-in: 98d32ba6 user: drh tags: upsert)
13:06
Back off of the extended upsert syntax that allows multiple ON CONFLICT clauses. The syntax now is exactly as in PostgreSQL and MySQL. Add support for WHERE clauses on the conflict-target phrase, for partial indexes. (check-in: 2c1b1987 user: drh tags: upsert)
01:15
Begin adding upsert logic. This is an incremental check-in. (check-in: 80969643 user: drh tags: upsert)
2018-04-12
21:42
Break out the upsert code into a separate source file. (check-in: 389806b0 user: drh tags: upsert)
20:21
Fix another typo in a comment. (check-in: 046bb6d2 user: drh tags: upsert)
19:51
Simple comment clarification. No code or logic changes. (check-in: a26f9c9f user: drh tags: upsert)
17:28
Extend the upsert syntax to allow a WHERE clause on the UPDATE. (check-in: e4396c54 user: drh tags: upsert)
15:43
Update the upsert parsing so that it accepts conflict-target labels using the PostgreSQL syntax, and also accepts the MySQL "ON DUPLICATE KEY" syntax. (check-in: c48f64d8 user: drh tags: upsert)
13:15
Add the Upsert object for holding upsert clause information. (check-in: d83eaed5 user: drh tags: upsert)
12:25
Merge changes from trunk. (check-in: 9f6f1180 user: drh tags: upsert)
2018-04-11
17:10
Help the parser run faster by avoiding the "explain ::= ." production. (check-in: d7ec7b59 user: drh tags: trunk)
16:04
Prohibit bound parameters in the arguments to table-valued functions within a trigger. Problem discovered by OSSFuzz. (check-in: b7178209 user: drh tags: trunk)
14:11
Minor simplification to internal function generateSortTail(). (check-in: f32cdb41 user: dan tags: trunk)
2018-04-10
18:56
Include the 'sqlite3rebaser_' APIs in the Windows '.def' file. (check-in: 56e4965f user: mistachkin tags: trunk)
18:05
Merge all version 3.23.1 changes and enhancements from trunk. (check-in: e20fcb51 user: drh tags: apple-osx)
17:39
Version 3.23.1 (check-in: 4bb22940 user: drh tags: trunk, release, version-3.23.1)
15:31
Fix a problem causing the LEFT JOIN strength reduction optimization to be incorrectly applied in some cases where the WHERE clause of the query contains a filter expression of the form "lhs.x IS NOT ?". (check-in: 1fdaf2c3 user: dan tags: trunk)
14:29
When testing, avoid injecting an OOM fault into a file-control call made by SQLite on an unopened file-descriptor. (check-in: 9c1a5eba user: dan tags: trunk)
12:33
Increase the version number to 3.23.1. (check-in: 9488c87b user: drh tags: trunk)
12:10
Fix a problem causing the LEFT JOIN strength reduction optimization to be incorrectly applied in some cases where the WHERE clause of the query contains a filter expression of the form NOT(x AND y). Ticket [1e39b966]. (check-in: 38d319c1 user: dan tags: trunk)
10:37
Remove an unnecessary SQLITE_UNTESTABLE compile-time conditional from the command-line shell. (check-in: 80b75a34 user: drh tags: trunk)
00:53
Update the top-level README.md file to point to the whynotgit.html document. Put it on the correct branch, this time. (check-in: a52e3cdd user: drh tags: trunk)
00:30
Update the top-level README.md file to point to the whynotget.html document. (check-in: 7dfd4543 user: drh tags: upsert)