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21 check-ins for the month beginning 2002-09-01
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2002-09-30
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| 12:36 | Fix a bug in the left outer join logic. (CVS 758) (check-in: 6c0f44bd63 user: drh tags: trunk) | |
| 01:31 | Fix an uninitialized variable that could cause problems when comparing two NULLs. (CVS 757) (check-in: 0154250018 user: drh tags: trunk) | |
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2002-09-25
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| 19:50 | Version 2.7.2 (CVS 756) (check-in: 59ba43449a user: drh tags: trunk) | |
| 19:26 | Bump the version number to 2.7.2. (CVS 755) (check-in: a164528e8c user: drh tags: trunk) | |
| 19:04 | Bug fix: When multiple SQL statements were passed into a single sqlite_exec() call, execution speed would decrease for each statement executed because VDBE cursors were not being reused. Now the cursors are reused and execution time is linear. (CVS 754) (check-in: b0d27a377a user: drh tags: trunk) | |
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2002-09-21
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| 15:57 | Make sure memory malloced() for structures is aligned on an even byte boundry. Solaris segfaults otherwise. (CVS 753) (check-in: 14ebe30bf5 user: drh tags: trunk) | |
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2002-09-17
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| 03:20 | Fix a bug in the OP_MemStore operator of the VDBE. A realloc() might occur but pointer to the old buffer were not being moved over to the new buffer. (CVS 752) (check-in: 29145746f3 user: drh tags: trunk) | |
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2002-09-16
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| 11:44 | Modify the sqlite_encode_binary() routine to return the strlen() of the encoded string. Also fix a bug that occurs when attempting to encode a zero-length buffer. (CVS 751) (check-in: f12c3a25ba user: drh tags: trunk) | |
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2002-09-14
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| 13:47 | Do not put a write lock on the main database file when writing to a temporary table. (CVS 750) (check-in: 3f253afe15 user: drh tags: trunk) | |
| 12:04 | Rename all tests so that the first part of the test name corresponds to the file that contains that test. This makes it much easier to find a particular test after it fail. (CVS 749) (check-in: 6cb80ae10a user: drh tags: trunk) | |
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2002-09-12
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| 14:08 | Update the SQL language documentation to talk about SELECT DISTINCT. (CVS 748) (check-in: ef7116751d user: drh tags: trunk) | |
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2002-09-08
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| 17:23 | Fix for ticket #147: Honor the ORDER BY and LIMIT clauses in a SELECT even if the destination of that SELECT is a subroutine call. (CVS 747) (check-in: 23fe36c7e8 user: drh tags: trunk) | |
| 00:04 | Modify the build process so that the VDBE opcode numbers and the table that contains the opcode names are both automatically generated. This makes it much easier to create new VDBE opcodes. (CVS 1727) (check-in: c4f0bb0238 user: drh tags: trunk) | |
| 00:04 | Modify the build process so that the VDBE opcode numbers and the table that contains the opcode names are both automatically generated. This makes it much easier to create new VDBE opcodes. (CVS 746) (check-in: eb54d455b0 user: drh tags: trunk) | |
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2002-09-05
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| 23:21 | Fix a memory leak that occurred when sqlite_open() failed. (CVS 745) (check-in: a876021304 user: drh tags: trunk) | |
| 19:10 | Rewind the checkpoint journal after each statement to avoid allowing the file to become too large. (CVS 744) (check-in: f4288520df user: drh tags: trunk) | |
| 16:08 | Fix for ticket #146: Correctly handle reads of unused disk blocks at the end of the file. (CVS 743) (check-in: f5c2654768 user: drh tags: trunk) | |
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2002-09-03
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| 19:43 | Always fill in the 5th parameter to sqlite_exec if there is an error. (CVS 742) (check-in: 7f8fd5c75d user: drh tags: trunk) | |
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2002-09-02
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| 14:11 | Add documentation on NULL handling in SQLite versus other SQL database engines. (CVS 741) (check-in: dd8867fc47 user: drh tags: trunk) | |
| 12:14 | Detect when the test scripts are being run as root and issue an appropriate error message. (CVS 740) (check-in: 9ca2c50770 user: drh tags: trunk) | |
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2002-09-01
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| 23:20 |
Relax the locking requirements on BTree cursors. Any number of read and
write cursors can be open at the same time now, but a write cannot occur
as long as one or more read cursors are open.
Before this change, one or more read cursors could be open on a table, or a single write cursor, but not both. Both policies have the same desirable effect: they prevent writes to a table while a sequential scan of that table is underway. But the new policy is a little less restrictive. Both policies prevent an UPDATE from occurring inside a SELECT (which is what we want) but the new policy allows a SELECT to occur inside an UPDATE. (CVS 739) (check-in: 8c2a083698 user: drh tags: trunk) | |