Re: PL/pgSQL 'i = i + 1' Syntax - Mailing list pgsql-hackers

On May 16, 2006, at 16:30, Andrew Dunstan wrote:

> It ought to be illegal to modify the loop control variable anyway,  
> IMNSHO - it certainly is in Ada, the distant antecedent of pl/pgsql.

I agree, but I must say that it's incredibly useful to be able to  
increment by two as I go through a loop:
    FOR i IN 1 + offset .. 11 + offset LOOP        total := total + substring(ean, i, 1)::INTEGER;        i = i + 1;
ENDLOOP;
 

Best,

David