Re: Cart Numbers
This WebDNA talk-list message is from 1997
It keeps the original formatting.
numero = 14482
interpreted = N
texte = >Ken asked What are you referring to when you say the random system? > >My message was intended to convey that I have noted a problem with >WebCatalog in that it is assigning the same Cart number to different >buyers. This creates problems with the ViewOrder template. > >On 10/31/97 WebCatalog assigned Cart # 296028824111745 to one buyer. On >11/1/97 it assigned to same Cart # to a different buyer. In both cases, I >was using a modified version of the General Store. > >I thought that Cart numbers were suppose to unique? Hi John,Newly-created [cart] values *are* unique!But you referred to the random system in your previous post, so I thought you were using the ra (random) search prefix in some custom code on your site, in an effort to create your own random SKU values ... and that's what puzzled me.The fact is, creating a [cart] is not a random task at all, it done with a hard-coded formula that's built into WebCat and creates a very predictable sequential number based on the date, time, and other stuff that's guaranteed NOT to create the same [cart] value over agaain.One way to give WebCat an opportunity to create a duplicate [cart] value is by setting the computer's clock back, which will make it possible (but very unlikely) that a new user *might* create a new [cart] value that's the same as a previous one. But I don't think you could make this happen if you tried, it's almost impossible because you'd have to request a particular page at EXACTLY the right time, down to a fraction of a second.The other way to get duplicate [cart] values, of course, is to pass them to WebCat from the [referrer] page or from a typed in (or bookmarked) URL. It doesn't make any difference where the [referrer] page is located, because when WebCat sees an URL with cart=123456789 in it, it's going to set the [cart] value to 123456789 on that page ... and every page linked to that page when those links have cart=[cart] in them ... :)Sincerely, Ken Grome WebDNA Solutions http://www.smithmicro.com/webdnasolutions/.
Associated Messages, from the most recent to the oldest:
>Ken asked What are you referring to when you say the random system? > >My message was intended to convey that I have noted a problem with >WebCatalog in that it is assigning the same Cart number to different >buyers. This creates problems with the ViewOrder template. > >On 10/31/97 WebCatalog assigned Cart # 296028824111745 to one buyer. On >11/1/97 it assigned to same Cart # to a different buyer. In both cases, I >was using a modified version of the General Store. > >I thought that Cart numbers were suppose to unique? Hi John,Newly-created
[cart] values *are* unique!But you referred to the random system in your previous post, so I thought you were using the ra (random) search prefix in some custom code on your site, in an effort to create your own random SKU values ... and that's what puzzled me.The fact is, creating a
[cart] is not a random task at all, it done with a hard-coded formula that's built into WebCat and creates a very predictable sequential number based on the date, time, and other stuff that's guaranteed NOT to create the same
[cart] value over agaain.One way to give WebCat an opportunity to create a duplicate
[cart] value is by setting the computer's clock back, which will make it possible (but very unlikely) that a new user *might* create a new
[cart] value that's the same as a previous one. But I don't think you could make this happen if you tried, it's almost impossible because you'd have to request a particular page at EXACTLY the right time, down to a fraction of a second.The other way to get duplicate
[cart] values, of course, is to pass them to WebCat from the
[referrer] page or from a typed in (or bookmarked) URL. It doesn't make any difference where the
[referrer] page is located, because when WebCat sees an URL with cart=123456789 in it, it's going to set the
[cart] value to 123456789 on that page ... and every page linked to that page when those links have cart=
[cart] in them ... :)Sincerely, Ken Grome WebDNA Solutions http://www.smithmicro.com/webdnasolutions/.
Kenneth Grome
DOWNLOAD WEBDNA NOW!
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