Christopher Kings-Lynne <[EMAIL PROTECTED]> writes:
> OK, attached is a file with the original function, and an overloaded one
> that just takes table and column. It searches your current search_path
> to find the first matching table.
The right way to do this at the C level would be to use the same
infrastructure as nextval() does to accept arguments like 'foo' and
'"Foo"."Bar"'. There's no reason to restrict the two-argument form
to the current search_path.
Given that you do that, I'm not sure that a three-argument form is even
needed. AFAIR no one has asked for a two-argument form of nextval...
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
