On 09/25/2010 10:03 AM, Tom Lane wrote:
> rey<reywang@optonline.net> writes:
>
>> Why limit this to a single character?
>>
> Performance. Believe it or not, breaking fields at the delimiter is
> a significant factor in COPY speed.
>
> regards, tom lane
>
>
True, but just for 5% to 10% degradation here.
For RDBMS, correct indexes and good logical design we are talking about
10 times or more performance gains.
Who cares about 10% waste here? Is it Oracle and other commercial RDBMS
no such limitation.