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(at)wildbrain(dot)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(at)wildbrain(dot)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(at)wildbrain(dot)com San Francisco, CA.