Re: PLpgSQL

Jeff Eckermann wrote:

>You will need to use "EXECUTE" to create the sequence.  The docs on pl/pgsql
>cover it: basically, "EXECUTE string" will cause that string to be executed
>as a SQL statement.
>
Now that I found the documentation, I started to suspect that.
Although nowhere it is mentioned that you can only use INSERT, SELECT, 
UPDATE, DELETE.
But still, the $1 is still plaguing me.

Thanks.

>>-----Original Message-----
>>From:    Dado Feigenblatt [SMTP:dado@wildbrain.com]
>>Sent:    Friday, July 20, 2001 2:26 PM
>>To:    Pgsql-Sql
>>Subject:    PLpgSQL
>>
>>3 questions:
>>
>>1. Can I use CREATE SEQUENCE inside a function?
>>2. I can create this function but I can't get it to run:
>>
>>CREATE FUNCTION new_proj_pts_seq(int4)
>>RETURNS text
>>AS 'DECLARE
>>        proj_ID alias for $1;
>>        seq_name TEXT;
>>    BEGIN
>>        seq_name := ''proj_pts_'' || proj_ID;
>>        create sequence seq_name;
>>    END;
>>    RETURNS seq_name;'
>>LANGUAGE 'plpgsql';
>>
>>When I do
>>    SELECT new_proj_pts_seq(9000);
>>I get:
>>    ERROR:  parser: parse error at or near "$1"
>>
>>The same happens if I assign $1 to proj_ID (instead of aliasing), or 
>>just use $1 in the string concatenation.
>>I always get the same message.
>>
>>Considering that all the above is possible/fixable...
>>
>>3. On the statement 'create sequence seq_name;', will  'seq_name' be 
>>evaluated properly?
>>
>>Thanks.
>>
>>
>>-- 
>>Dado Feigenblatt                                 Wild Brain, Inc.   
>>Technical Director                               (415) 553-8000 x???
>>dado@wildbrain.com                               San Francisco, CA.
>>
>>
>>
>>
>>---------------------------(end of broadcast)---------------------------
>>TIP 4: Don't 'kill -9' the postmaster
>>
>
>


-- 
Dado Feigenblatt                                 Wild Brain, Inc.   
Technical Director                               (415) 553-8000 x???
dado@wildbrain.com                               San Francisco, CA.