NOTICE:  SL007_DUPLICATE_REJECTED=PASS
ERROR:  column reference "security_id" is ambiguous
LINE 2:     WHERE security_id = security_id
                  ^
DETAIL:  It could refer to either a PL/pgSQL variable or a table column.
QUERY:  DELETE FROM financial_periods
    WHERE security_id = security_id
CONTEXT:  PL/pgSQL function inline_code_block line 134 at SQL statement