[Gambas-user] Collection key

[Jussi Lahtinen]

Look at gb_hash_temp.h, seems to be that limitation comes from uint.
That may be hard to go around without performance penalty.

Jussi



On Wed, Oct 12, 2011 at 21:31, Jussi Lahtinen <jussi.lahtinen at ...626...>wrote:

> You did it wrong.
> Gambas would interpret your keys this way:
> "A1234567"
> "B1234567"
> "C1234567"
>
> Use reversed order, that way following keys are all same:
> "12345678A"
> "12345678B"
> "12345678C"
>
> ---> "12345678"
>
> Jussi
>
>
>
>
>
>
> On Wed, Oct 12, 2011 at 20:16, tobias <tobiasboe1 at ...20...> wrote:
>
>> On 12.10.2011 19:05, John Spikowski wrote:
>> > On Wed, 2011-10-12 at 19:43 +0300, Jussi Lahtinen wrote:
>> >> My first thought too... and I wonder why there is limit anyway..?
>> >> I have understand that collection works with hash values, and at least
>> there
>> >> are no practical limitations with MD5 hash function.
>> >>
>> >> Jussi
>> > For grins, I thought I would test the hash key length in ScriptBasic to
>> > see if this was a common problem. I don't think there is a practical
>> > limit to the key size in ScriptBasic.
>> >
>> > IMPORT hash.bas
>> >
>> > h = hash::New()
>> > hash::SetValue(h,"A1234567890",1)
>> > hash::SetValue(h,"B12345678901234567890",2)
>> > hash::SetValue(h,"C123456789012345678901234567890",3)
>> > hash::Start(h)
>> >
>> > FOR x = 1 to 3
>> >    PRINT hash::ThisKey(h), " - "
>> >    PRINT hash::ThisValue(h),"\n"
>> >    hash::Next(h)
>> > NEXT
>> >
>> > jrs at ...1833...:~/sb/test$ scriba testhash.sb
>> > A1234567890 - 1
>> > B12345678901234567890 - 2
>> > C123456789012345678901234567890 - 3
>> > jrs at ...1833...:~/sb/test$
>>
>> i tested the limitation, too, in gb3 but it ran o.k.
>> how may the exceeding of the key length influence the program integrity?
>>
>>
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>
>