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6 check-ins using file src/expr.c version 8a663240

2009-09-23
13:59
Disallow using the implicit rowid column as the parent key of an FK constraint. (check-in: a5f7e71f user: dan tags: trunk)
13:39
Add test cases for the IS and IS NOT operator. (check-in: 101ed58c user: drh tags: trunk)
12:06
Add extra tests for foreign key support. (check-in: 7d086afe user: dan tags: trunk)
08:43
Add missing comments to fkey.c. Also, change the terminology used for comments and names in fkey.c from "referenced/referencing" to "parent/child". This is arguably less correct, but is easier to follow. (check-in: 540c2d18 user: dan tags: trunk)
03:01
Do not run ON UPDATE actions of a foreign key constraint unless at least one column value really does change. (check-in: 71ac8e28 user: drh tags: trunk)
02:29
Generalize the IS and IS NOT operators so that their right-hand side can be an arbitrary expression and not simple the constant NULL. They work like = and <> except that NULL values compare equal to one another an unequal to everything else. (check-in: 98853f61 user: drh tags: trunk)