Correcting Error message

Hi,

Consider following testcase,

CREATE TABLE footable(id int4, name varchar2(10));

CREATE FUNCTION foofunc(a footable, b integer DEFAULT 10)
  RETURNS integer AS $$ SELECT 123; $$ LANGUAGE SQL;

CREATE FUNCTION foofunc(a footable, b numeric DEFAULT 10)
  RETURNS integer AS $$ SELECT 123; $$ LANGUAGE SQL;

SELECT (footable.*).foofunc FROM footable;
ERROR:  column footable.foofunc does not exist
LINE 1: SELECT (footable.*).foofunc FROM footable;
               ^

The error message thrown is seems to be wrong. When I dig into the code, I found in function ParseFuncOrColumn(), if we just add small condition it will throw correct error message. i.e. " function foofunc(footable) is not unique". I have made a slight change in code, which is throwing the correct error message now. The code changes are attached in the patch.

--
Piyush S Newe
Principal Engineer
EnterpriseDB
office: +91 20 3058 9500
www.enterprisedb.com

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