Re: Is current_user a function ?

Force the system to use it as a function.

select "current_user"();

On Thu, 2002-11-28 at 11:31, Masaru Sugawara wrote:
> Hi,
>
> As for some current_*** functions, "select current_user;" seems to
> work, but "select current_user();" doesn't . Though current_user is
> defined as one of functions, why does such an error occur ?
>
> renew=# select current_user();
> ERROR: parser: parse error at or near "(" at character 20
>
>
> Regards,
> Masaru Sugawara
>
>
> renew=# \df
> List of functions
> Result data type | Schema | Name | Argument data types
> ---------------------+------------+-----------------------+-----------
> ...
> name | pg_catalog | current_database |
> name | pg_catalog | current_schema |
> name[] | pg_catalog | current_schemas | boolean
> text | pg_catalog | current_setting | text
> name | pg_catalog | current_user |
> ...
>
>
> renew=# select current_user();
> ERROR: parser: parse error at or near "(" at character 20
>
> renew=# select current_database();
> current_database
> ------------------
> renew
> (1 row)
>
> renew=# select current_schema();
> current_schema
> ----------------
> public
> (1 row)
>
> renew=# select current_schema(true);
> current_schemas
> ---------------------
> {pg_catalog,postgres,public}
> (1 row)
>
> renew=# select current_schema(false);
> current_schemas
> ---------------------
> {postgres,public}
> (1 row)
>
> renew=# select current_setting('search_path');
> current_setting
> -----------------
> $user,public
> (1 row)
>
>
>
>
>
>
>
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--
Rod Taylor <rbt(at)rbt(dot)ca>