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4 check-ins using file src/main.c version 46d6a880
|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)|
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)
|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)|