Re: PL/pgSQL 'i = i + 1' Syntax

David Wheeler wrote:
> On May 16, 2006, at 16:53, Mark Dilger wrote:
> 
>> Sorry, I meant to say that it should only be a no-op according to  the
>> language
>> specification, as I understand it.  The fact that it works suggests 
>> to me that
>> the implementation of PL/pgsql has been modified (or broken?).  
>> Whether the
>> change is a bug or an intentional feature change, I don't know.
> 
> 
> Ah, yes, I agree, and that's why I posted my query.
> 
>> mark
>>
>> P.S.,  Looking through the documentation, I don't immediately see  the
>> spec for
>> how a regular '=' is supposed to work, but assignment is documented 
>> as using the
>> ':=' syntax and says nothing about '='.
> 
> 
> Exactly. But I use = all the time for comparision:
> 
>   IF FOUND = TRUE THEN
>       ....
>   END IF
> 
> Best,
> 
> David

It seems this has been answered before, by Tom Lane:

http://archives.postgresql.org/pgsql-novice/2006-04/msg00138.php