Has this been addressed?
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> "Command Prompt, Inc." <pgsql-hackers@commandprompt.com> writes:
> > Mainly, the existing documentation on the RENAME statement seems
> > inaccurate; it states that you can re-name variables, records, or
> > rowtypes. However, in practice, our tests show that attempting to RENAME
> > valid variables with:
> > RENAME varname TO newname;
> > ...yeilds a PL/pgSQL parse error, inexplicably. If I try the same syntax
> > on a non-declared variable, it actually says "there is no variable" with
> > that name in the current block, so...I think something odd is happening. :)
>
> Yup, this is a bug. The plpgsql grammar expects varname to be a T_WORD,
> but in fact the scanner will only return T_WORD for a name that is not
> any known variable name. Thus RENAME cannot possibly work, and probably
> never has worked.
>
> Looks like it should accept T_VARIABLE, T_RECORD, T_ROW (at least).
> T_WORD ought to draw "no such variable". Jan, I think this is your turf...
>
> > The RENAME statement seems kind of odd, since it seems that you could just
> > as easily declare a general variable with the right name to begin with,
>
> It seems pretty useless to me too. Perhaps it's there because Oracle
> has one?
>
> regards, tom lane
>
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