2009/2/16 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> Next sample of parser hook using:
>> attachment contains module that transform every empty string to null.
>> I am not sure, if this behave is exactly compatible with Oracle,
>
> Surely a parser hook like this would have nothing whatsoever to do
> with Oracle's behavior.
>
> regards, tom lane
>
it's maybe too much simple :). It is sample that have to show possibility.
regards
Pavel Stehule