"Hitoshi Harada" writes:
> 2008/12/31 Tom Lane :
>> RANGE UNBOUNDED PRECEDING -- same as AND CURRENT ROW
>> ROWS UNBOUNDED PRECEDING-- same as AND CURRENT ROW
> Is this true?
7.11 syntax rule 9 says so. AFAICS general rule 5b doesn't discuss the
case where isn't present, and does
2009/1/5 Tom Lane :
> "Hitoshi Harada" writes:
>> 2008/12/31 Tom Lane :
>>> RANGE UNBOUNDED PRECEDING -- same as AND CURRENT ROW
>>> ROWS UNBOUNDED PRECEDING-- same as AND CURRENT ROW
>
>> Is this true?
>
> 7.11 syntax rule 9 says so. AFAICS general rule 5b doesn't discuss the
> cas
2008/12/31 Tom Lane :
> No docs or regression tests yet, but it seems to work ... please check
> against Oracle and DB2 behavior. Supported cases are
>
>RANGE UNBOUNDED PRECEDING -- same as AND CURRENT ROW
>ROWS UNBOUNDED PRECEDING-- same as AND CURRENT ROW
Is this t
