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53 check-ins using file src/func.c version a31dcba8

2002-05-26
20:54
NULL values are distinct. A comparison involving a NULL is always false. Operations on a NULL value yield a NULL result. This change makes SQLite operate more like the SQL spec, but it may break existing applications that assumed the old behavior. All the old tests pass but we still need to add new tests to better verify the new behavior. Fix for ticket #44. (CVS 589) check-in: 90511737 user: drh tags: trunk
2002-05-25
00:18
Additional testing of LEFT OUTER JOIN. (CVS 588) check-in: d8d04c14 user: drh tags: trunk
2002-05-24
20:31
Initial implementation of LEFT OUTER JOIN including the expanded SQL92 join syntax. The basic functionality is there but there is still a lot of testing to do. (CVS 587) check-in: 99bd1f5b user: drh tags: trunk
16:14
Add support for the full SQL join syntax. This is just a parser enhancement. We now recognize all kinds of joins, but we don't actually do anything with them yet. (CVS 586) check-in: e238643e user: drh tags: trunk
02:14
Added tests for multi-column primary keys. (CVS 585) check-in: ffc49e56 user: drh tags: trunk
02:04
Split the IdList structure into IdList and SrcList. SrcList is used to represent a FROM clause and IdList is used for everything else. This change allows SrcList to grow to support outer joins without burdening the other uses of IdList. (CVS 584) check-in: a167b71d user: drh tags: trunk
2002-05-23
22:07
Change the names of the PushList and PopList opcodes to ListPush and ListPop so that they will appear together with the other List opcodes in the documentation. (CVS 583) check-in: c53b0b92 user: drh tags: trunk
13:15
Fix for ticket #50. (CVS 582) check-in: 82b74a49 user: drh tags: trunk
12:50
Partial fix for ticket #49. The correct result is computed, but now we have a memory leak. I'm not sure if the memory leak was pre-existing or a result of this change. (CVS 581) check-in: 4d27ee41 user: drh tags: trunk
02:09
Fix some places where a malloc() failure would lead to a segfault. (CVS 580) check-in: 01ad352c user: drh tags: trunk
00:30
Do not allow triggers on the SQLITE_MASTER table. (CVS 579) check-in: 275ba356 user: drh tags: trunk
2002-05-22
21:27
Fix for ticket #46: Report an error if a CREATE TABLE contains two or more columns with the same name. (CVS 578) check-in: ba1953ab user: drh tags: trunk
2002-05-21
23:44
Fix for ticket #47: Use a cast to avoid a warning about discarding a "const" inside of hash.c. (CVS 577) check-in: 0c903461 user: drh tags: trunk
13:43
Double-quoted strings resolve to column names if possible. Single-quoted strings continue to be interpreted as string literals. (CVS 576) check-in: 55e7d654 user: drh tags: trunk
13:18
Clean up some compiler warnings. (CVS 575) check-in: 3399b012 user: drh tags: trunk
13:02
Modify the shell so that when it is doing a ".dump" it always uses single quotes and not double quotes for quoting literal strings. This is for portability to other databases that only support single quote string literals. (CVS 574) check-in: f795afd6 user: drh tags: trunk
12:56
Fix for ticket #45: Allow an UPDATE statement to change the INTEGER PRIMARY KEY to itself without triggering a constraint error. (CVS 573) check-in: 592da134 user: drh tags: trunk
11:38
Additional code cleanup resulting from a review of the new trigger code. (CVS 572) check-in: 37dbdd55 user: drh tags: trunk
2002-05-19
23:43
Style fixes to triggers code in various *.c files (partial fix to ticket #39) (CVS 571) check-in: 8a4195c7 user: danielk1977 tags: trunk
2002-05-17
00:05
Stylistic changes to src/trigger.c (partial fix to ticket #39). Also more comments. (CVS 570) check-in: b1d72cb5 user: danielk1977 tags: trunk
2002-05-16
00:13
Fix for ticket #42: Added comments to structs Trigger, TriggerStep and TriggerStack. (CVS 569) check-in: 9ec8a2b1 user: danielk1977 tags: trunk
2002-05-15
23:26
Fix a typo in the c_interface.html documentation file. (CVS 568) check-in: 454879fa user: drh tags: trunk
14:17
Fix for ticket #41: Better handling of CREATE TRIGGER in the sqlite_complete() function. (CVS 567) check-in: f45c4b76 user: drh tags: trunk
12:45
Beginning to clean up the trigger code. Still lots of work to do. (CVS 566) check-in: b1034681 user: drh tags: trunk
11:44
Remove all tabs from the beginning of source code lines. Replace tabs with the appropriate number of spaces. (CVS 565) check-in: 690f9a16 user: drh tags: trunk
11:43
In the "lang.html" documentation file, put the CREATE TRIGGER and DROP TRIGGER sections in alphabetical order. (CVS 564) check-in: d1d8642b user: drh tags: trunk
08:43
Add the Makefile.in that was forgotten with checkin #562 (CVS 563) check-in: 29b8330c user: danielk1977 tags: trunk
08:30
Added FOR EACH ROW triggers functionality (CVS 562) check-in: 794bf67b user: danielk1977 tags: trunk
2002-05-10
14:41
Version 2.4.12 (CVS 561) check-in: 06cdaf1c user: drh tags: trunk
14:37
Update the misuse.test script so that it will work under Windows. Changes to the speed testing script to support version 2.4.12. (CVS 560) check-in: 232b7ef2 user: drh tags: trunk
13:14
Improvements to the SQLITE_MISUSE detection logic. Also added test cases for this logic, including the new test file "misuse.test". (CVS 559) check-in: f42907ce user: drh tags: trunk
05:44
Attempt to detect when two or more threads try to use the same database at the same time and return an SQLITE_MISUSE error. Also return this error if an attempt is made to use a closed database. (CVS 558) check-in: a05fabd2 user: drh tags: trunk
2002-05-08
21:46
Fix for ticket #35: Ignore any ORDER BY clause on a subquery in a FROM clause. (CVS 557) check-in: 1b0ee944 user: drh tags: trunk
21:30
Fix for ticket #34: VIEWs ignore their ORDER BY clause. (CVS 556) check-in: 5f22d215 user: drh tags: trunk
12:03
Version 2.4.11 (CVS 555) check-in: b1315179 user: drh tags: trunk
11:57
Increase the version number and update the change log in preparation for the 2.4.11 release. (CVS 554) check-in: f6e406aa user: drh tags: trunk
11:54
Fix for tickets #32 and #33: Generate the names of the result set early, before doing the flattening optimization or evaluating subqueries. Otherwise, the result set column names are generated incorrectly or after they are needed. (CVS 553) check-in: 08f27cb3 user: drh tags: trunk
2002-05-06
11:47
Added documentation about the new CASE expression. (CVS 552) check-in: cc541b10 user: drh tags: trunk
11:34
Fix typos in the man-page (sqlite.1) and remove two unused files. Patches from Andreas Rottmann. (CVS 551) check-in: 5772d319 user: drh tags: trunk
2002-05-03
00:18
Version 2.4.10 (CVS 550) check-in: 5f361814 user: drh tags: trunk
00:17
Update the change log prior to releasing version 2.4.10. (CVS 549) check-in: 67838bbc user: drh tags: trunk
2002-04-30
19:20
Fix for ticket #31: Do not attempt the flattening optimization if the subselect does not contain a FROM clause. Handle the special case where a WHERE clause is constant. (CVS 548) check-in: 24e4cf73 user: drh tags: trunk
2002-04-26
09:47
Fix for ticket #28: Export the "sqlite_changes" function in Windows DLLs. (CVS 547) check-in: f7cea463 user: drh tags: trunk
2002-04-25
23:06
Update the test logic and the comments on the encoder.c module. (CVS 546) check-in: 18c28519 user: drh tags: trunk
11:45
Added the "encode.c" source file that contains two utility subroutines that can be used to encode binary data for use in INSERT and UPDATE statements. This is just an initial checking. The code has not yet been integrated into the library. (CVS 545) check-in: 57f7c597 user: drh tags: trunk
00:21
Fix for ticket #26: Document the fact that CREATE TABLE might not be immediately visible to other processes that are holding the database open. (CVS 544) check-in: 18b31b7a user: drh tags: trunk
2002-04-23
17:10
Fix for ticket #22: In the code generator for compound SELECT statements, take care not to generate column name headers if the output is an intermediate table. Otherwise the column headers are not generated correctly if a compound SELECT statement appears as an expression in part of the WHERE clause. (CVS 543) check-in: a06d9acd user: drh tags: trunk
2002-04-22
00:35
Version 2.4.9 (CVS 542) check-in: 0691720a user: drh tags: trunk
00:33
Update the version number and changes log for 2.4.9 (CVS 541) check-in: a91da82f user: drh tags: trunk
2002-04-21
19:06
Fix for ticket #21 (I think): Do not return an "out of memory" error if we can not find the users home directory. Instead, just report that we could not find the home directory. (CVS 540) check-in: 8a50c57c user: drh tags: trunk
2002-04-20
14:45
Version 2.4.8 (CVS 538) check-in: d703a2c5 user: drh tags: trunk
14:44
Update the change log for the 2.4.8 release. (CVS 539) check-in: c01bc2d1 user: drh tags: trunk
14:24
Fix for ticket #1: Implement the GLOB and LIKE operators as functions that can be overridden. This way, a developer can change the LIKE operator to be case sensitive, for example. (CVS 537) check-in: 51572bf7 user: drh tags: trunk