Is the PK can't be the bigint?

Last post 01-30-2007 2:26 AM by swin. 1 replies.

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01-29-2007 4:20 PM

lin2000y
Joined on 11-14-2005
Posts 49
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Is the PK can't be the bigint?

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when i check the TList.cs i found the index is of the type of int, so is that means if the PK of the type of bigint(int64) and if i have a tlist object with over the upbond of the int32 object in it ,will it be wrong?

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01-30-2007 2:26 AM In reply to

swin
Joined on 06-14-2006
London, UK
Posts 921
Points 34,675

Re: Is the PK can't be the bigint?

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No, the index you are refering to is just the position within the TList. A list just stores references to other objects and these objects can contain whatever you like.

The TList is a specialisation of the BindingList which uses int32 as its index - which represents signed integers with values ranging from negative 2,147,483,648 through positive 2,147,483,647. Which is quite a lot and if you needed more in your list I'd strongly recommend doing things a different way!

hth

swin

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