No problem, please find a simple test case with its execution result below:
-- ============================================================================
START TRANSACTION;
CREATE TYPE CompositeType AS (
existing_field TEXT
);
--
CREATE FUNCTION Bug_5757_test()
RETURNS VOID
AS $$
DECLARE
v_comp CompositeType;
BEGIN
IF v_comp.non_existing_field THEN
NULL;
END IF;
END;
$$
LANGUAGE plpgsql;
--
SELECT Bug_5757_test();
ROLLBACK;
-- ============================================================================
$ psql -q < pgbug5757.sql
ERROR: missing FROM-clause entry for table "v_comp"
LINE 1: SELECT v_comp.non_existing_field
^
QUERY: SELECT v_comp.non_existing_field
CONTEXT: PL/pgSQL function "bug_5757_test" line 4 at IF
-- ============================================================================
Andrey
2010/11/18 Tom Lane <t...@sss.pgh.pa.us>
>
> "Andrey Galkin" <andv...@gmail.com> writes:
> > The following bug has been logged online:
>
> > Bug reference: 5757
> > Logged by: Andrey Galkin
> > Email address: andv...@gmail.com
> > PostgreSQL version: 9.0.1
> > Operating system: Debian unstable
> > Description: PL/PGSQL composite variable field error reporting
> > Details:
>
> > 1. Create a variable of composite type in PL/PGSQL function
> > 2. Try to reference not existing field of the variable in some statement,
> > like IF
> > 3. Get "missing FROM-clause entry for table" error at runtime
>
> Please provide a complete test-case, not a vague description.
>
> regards, tom lane
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