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От
Gerald Gutierrez
Дата:
I don't seem to be able to create tables (persistent or temporary) from 
within a PL/PGSQL function. With the following script, I can create the 
function fine:

CREATE FUNCTION tst()
RETURNS INTEGER
AS '
BEGIN    CREATE TABLE ttt(a int);    RETURN 0;
END;
'
LANGUAGE 'plpgsql';

... but when I execute it , I get the following error. The error happens 
regardless of whether I use CREATE TABLE or CREATE TEMPORARY TABLE:

t1=> \i tst.sql
DROP
CREATE
t1=> select tst();
ERROR:  copyObject: don't know how to copy 611

Is it somehow wrong to create tables from within a PL/PGSQL function?


Incidently, is it possible to generate a guaranteed unique table name while 
creating tables, much like some UNICES' ability to generate guaranteed 
unique file names for tempoary files?

Thanks.



Re:

От
Jie Liang
Дата:
Unfortunately, in plsql
you only can do DML(select/update/insert) instead of DDL(create/grant..).
i.e. you cannot create a table in plsql.

Jie LIANG

St. Bernard Software

10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873

jliang@ipinc.com
www.stbernard.com
www.ipinc.com

On Sat, 3 Mar 2001, Gerald Gutierrez wrote:

> 
> I don't seem to be able to create tables (persistent or temporary) from 
> within a PL/PGSQL function. With the following script, I can create the 
> function fine:
> 
> CREATE FUNCTION tst()
> RETURNS INTEGER
> AS '
> BEGIN
>      CREATE TABLE ttt(a int);
>      RETURN 0;
> END;
> '
> LANGUAGE 'plpgsql';
> 
> .... but when I execute it , I get the following error. The error happens 
> regardless of whether I use CREATE TABLE or CREATE TEMPORARY TABLE:
> 
> t1=> \i tst.sql
> DROP
> CREATE
> t1=> select tst();
> ERROR:  copyObject: don't know how to copy 611
> 
> Is it somehow wrong to create tables from within a PL/PGSQL function?
> 
> 
> Incidently, is it possible to generate a guaranteed unique table name while 
> creating tables, much like some UNICES' ability to generate guaranteed 
> unique file names for tempoary files?
> 
> Thanks.
> 
> 
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