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

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:=A0 there is no parameter $1
> LINE 1: CREATE VIEW v4 AS SELECT * FROM t1 WHERE some_field =3D $1
> =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ^
> QUERY:=A0 CREATE VIEW v4 AS SELECT * FROM t1 WHERE some_field =3D $1
> CONTEXT:=A0 PL/pgSQL function "bug_create_tmp_view_exec_test" line 3 at
> EXECUTE statement

Yeah, parameter substitution doesn't work in this case.  You could
however build up a string with quote_identifier() and then EXECUTE the
resulting string.

--=20
Robert Haas
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