Joshua D. Drake wrote:
perhaps even any existing column in a table.
I think what you are looking for is SetOF functions.
http://www.postgresql.org/docs/8.0/interactive/functions-srf.html
Thanks for the response.
The reference you indicated is talking about Set Returning Functions.
I'm looking to return multiple *columns* from a function, not rows.
Plus, the main part was to be able to have the columns (arbitrarily)
named as if they'd been selected from a table. I hope that there's
something about as easy as the example I cited from MS SQL.
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match