[Gambas-user] Collection key

[Jussi Lahtinen]

ulong? Where are the words of wisdom from Benoit?

Jussi



On Wed, Oct 12, 2011 at 21:46, Jussi Lahtinen <jussi.lahtinen at ...626...>wrote:

> 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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>>
>>
>