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Re: FETCH FORWARD 0 and "cursor can only scan forward" error

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> From: Tom Lane <tgl@xxxxxxxxxxxxx>

> To: Trigve Siver <trigves@xxxxxxxxx>
> Cc: "pgsql-general@xxxxxxxxxxxxxx" <pgsql-general@xxxxxxxxxxxxxx>
> Sent: Wednesday, September 4, 2013 7:04 PM
> Subject: Re:  FETCH FORWARD 0 and "cursor can only scan forward" error
> 
>T rigve Siver <trigves@xxxxxxxxx> writes:
>>  yes I know that when specifying "FORWARD 0" that no move is done 
> and
>>  actual record is returned. But my question is why it is forbidden by 
> "NO
>>  SCROLL"?
> 
> Because it's implemented as "back up 1 row and re-fetch".

Thanks,
So I'll try to emulate it somehow then.
 
>             regards, tom lane
> 

Trigve


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