Tom Lane wrote:
>For instance, if you think you might want a validator later,
>you can set up a no-op validator procedure today, and then the template
>doesn't need to change when you make the validator do something.
>Similarly, you could future-proof yourself against adding a trusted (or
>untrusted) variant by putting in some stubs now.
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Only necessary for one release, right?
Anyway, clearly there are cases where a validator make no sense or very
little sense (pl/sh and pl/{j,java} spring to mind).
cheers
andrew