Artifact 4946e2ac1124b0cb0ee882ed7628d2d8b339b8ef:
- File src/vdbe.c — part of check-in [98853f61] at 2009-09-23 02:29:37 on branch trunk — 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. (user: drh size: 184941)
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