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16 check-ins using file src/select.c version 6cd3673e

2002-09-08
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: c4f0bb02 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: eb54d455 user: drh tags: trunk)
2002-09-05
23:21
Fix a memory leak that occurred when sqlite_open() failed. (CVS 745) (check-in: a8760213 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: f4288520 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: f5c26547 user: drh tags: trunk)
2002-09-03
19:43
Always fill in the 5th parameter to sqlite_exec if there is an error. (CVS 742) (check-in: 7f8fd5c7 user: drh tags: trunk)
2002-09-02
14:11
Add documentation on NULL handling in SQLite versus other SQL database engines. (CVS 741) (check-in: dd8867fc 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: 9ca2c507 user: drh tags: trunk)
2002-09-01
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: 8c2a0836 user: drh tags: trunk)

2002-08-31
18:53
Parse foreign key constraints and populate internal data structures appropriately. Constraints are still not enforced. (CVS 738) (check-in: 170711ca user: drh tags: trunk)
17:02
Version 2.7.1 (CVS 737) (check-in: 5f51e13d user: drh tags: trunk)
17:02
Change the version number for release 2.7.1. (CVS 736) (check-in: b7f788fc user: drh tags: trunk)
16:52
Initial checking of two new test files: format3.test and memleak.test. (CVS 735) (check-in: 6ffedb90 user: drh tags: trunk)
16:33
Fix for ticket #145: Include the func.c source file in the build of testfixture so that the "randstr()" function will be available. (CVS 734) (check-in: c5e0c6a7 user: drh tags: trunk)
2002-08-29
23:59
If the database is locked when sqlite_open() is called, sqlite_exec() should still honor the busy callback and should return an error message together with the SQLITE_BUSY result code. (CVS 733) (check-in: 78a0229a user: drh tags: trunk)
2002-08-28
03:00
Slightly faster INSERTs from a SELECT by avoiding an intermediate table. But it didn't make nearly as much difference as I had hoped. (CVS 732) (check-in: 723362e7 user: drh tags: trunk)