Re: BUG #5776: Unable to create view with parameter in PL/pgsql

Robert,

Yes, you've read my mind about quote_literal() ;). The bug report is
rising exactly the parameter substitution issue.

Andrey



2010/12/14 Robert Haas <robertmhaas@gmail.com>:
> On Mon, Dec 13, 2010 at 4:28 PM, Andrey G. <andvgal@gmail.com> wrote:
>> It seems my original test, which also includes the EXECUTE approach,
>> has not come to you in full. EXECUTE statement also fails with
>> parameter: The test is attached in file.
>>
>> psql -q < db/db/pgbug_5776.sql
>> ERROR:=C2=A0 there is no parameter $1
>> LINE 1: CREATE VIEW v4 AS SELECT * FROM t1 WHERE some_field =3D $1
>> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 ^
>> QUERY:=C2=A0 CREATE VIEW v4 AS SELECT * FROM t1 WHERE some_field =3D $1
>> CONTEXT:=C2=A0 PL/pgSQL function "bug_create_tmp_view_exec_test" line 3 =
at
>> EXECUTE statement
>
> Yeah, parameter substitution doesn't work in this case. =C2=A0You could
> however build up a string with quote_identifier() and then EXECUTE the
> resulting string.
>
> --
> Robert Haas
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>