Passing current row as an argument?

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I want to write a complex function that references a bunch of columns in the
database for a given row. I would like not to have to do a second select on
that row inside the function (using the key as an argument). Is it possible
to pass the whole current row as a parameter? I could do it either from a
query or from a form/report.

I tried looking up the definitions for likely candidates in the list you see
after you type "as" in the function definition, but it was bewildering.


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