V4RB2 vLink

[Ruslan Zasukhin]

On 12/30/04 1:01 PM, "erne" <ernestogiannotta at tiscalinet.it> wrote:

>> When you create link you specify order of tables:
>> 
>> db.CreateBinaryLink( ... T1, T2 ...)

>> So when you want link 2 records of these tables you do
>> 
>> link.LinkRecords( Array( 3, 5) )
>> 
>> And you and Valentina know that
>> 
>> 3 -- this is RecID of T1
>> 5 -- this is RecID of T2.
>> 
>> Direction is not important here. Absolutely.
> 
> still... this limits linked tables to 2 and not more

No limits here. Why you think so?

> and... 
> what about a 2 dimensional array to link several record pairs at once?
> 
> e.g.
> dim LinksArray(2,2)
> 
> LinksArray(0,1) = 3  //-- this is RecID of T1
> LinksArray(0,2) = 5  //-- this is RecID of T2
> LinksArray(1,1) = 3  //-- this is RecID of T1
> LinksArray(1,2) = 6  //-- this is RecID of T2
> LinksArray(2,1) = 4  //-- this is RecID of T1
> LinksArray(2,2) = 5  //-- this is RecID of T2
> 
> link.LinkRecords( LinksArray, T1, T2 ) //  specify Tables for future
>                                            multitables links

This have sense...but it is just a cosmetic thing.
And I prefer C++ style

LinksArray[3][2] = 
{
    { 3, 5 }, { 3, 6 }, { 4, 5 }
}

 
> imagine this:
> 
> dim LinksArray(1,3)
> 
> LinksArray(0,1) = 3  //-- this is RecID of T1
> LinksArray(0,2) = 5  //-- this is RecID of T2
> LinksArray(0,3) = 5  //-- this is RecID of T3
> LinksArray(1,1) = 3  //-- this is RecID of T1
> LinksArray(1,2) = 6  //-- this is RecID of T2
> LinksArray(1,3) = 4  //-- this is RecID of T3
> 
> link.LinkRecords( LinksArray, T1, T2, T3 ) //  specify Tables for future
>                                                multitables links

-- 
Best regards,
Ruslan Zasukhin      [ I feel the need...the need for speed ]
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e-mail: ruslan at paradigmasoft.com
web: http://www.paradigmasoft.com

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