Dan S <strd911@xxxxxxxxx> writes:
> And yes I do know that I can fix the problem by renaming the output column
> to something else than i , I'm just curious about the behaviour and if it
> should work like this and why.
> CREATE OR REPLACE FUNCTION dynamic_query(i int) RETURNS TABLE (i int) as $$
This should probably throw an error. There is a check that disallows
having two input or two output parameters named the same, but the
comment about it says:
/*
* As of Postgres 9.0 we disallow using the same name for two
* input or two output function parameters. Depending on the
* function's language, conflicting input and output names might
* be bad too, but we leave it to the PL to complain if so.
*/
It looks like plpgsql didn't get the memo about checking this.
regards, tom lane
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