Re: Simple Accumulating Number Loop?

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От Bricklen Anderson
Тема Re: Simple Accumulating Number Loop?
Дата
Msg-id 43B472E2.7040008@presinet.com
обсуждение исходный текст
Ответ на Simple Accumulating Number Loop?  (Ubence Quevedo <r0d3nt@pacbell.net>)
Список pgsql-general
Ubence Quevedo wrote:
> A friend of mine has created this simple accumulating
> loop query for MS SQL 2k5 Express Edition.  I am
> trying to reproduce the same results with PostgreSQL
> 8.1, but am not able to find much useful help on how
> to properly set up a variable of both int and char.
> The PostgreSQL documentation is great if you have an
> idea of what you are doing, but I'm still really new
> to PostgreSQL.  If someone can just point out some
> hints or clarifications as to wether to use the SET
> command or the psql \set command.  Below is the query
> in question.
>
> Many thanx to any that can help.
>
> -Ubence
>
> declare @variableint int
> declare @desc char (50)
> set @variableint = 0
> create table counter (countid int , description
> varchar(50))
> while @variableint < 500
> begin
> set @variableint = @variableint + 1
> set @desc = 'The Counter is Now' +' '+ cast
> (@variableint as char(50))
> insert into counter values (@variableint,@desc)
> end
> select * from counter
>

look for FOR or WHILE loops
http://www.postgresql.org/docs/8.1/interactive/plpgsql-control-structures.html

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