Shipping Rates Calculation Issue & Limitations

Posted By mike Thu 2 Sep 2010
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mike
 Posted Thu 2 Sep 2010
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Last Active: Thu 25 Oct 2012
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Hello once again,

I think I may have found another bug, this time in the shipping rates system.

I've set it up so that shipping prices are calculated based on weight, but it seems that the value of the product is being used to work out the shipping, when placing an order, instead!

I've done a little testing, with the following results:

Firstly, these are the rates I was using:
Up to 2 kg              £0.50
Up to 2.5 kg           £1.00
Up to 3 kg              £1.50
Up to 3.5 kg           £2.00
All Higher Orders    £2.50

When I starting varying the product price, this is what I found (in all cases, the actual weight of the product was 0.12 kg):

Price                  Reported Shipping Cost
£0 - £2.49         £0.50
£2.50 - £3.49    £1.50
£3.50 plus         £2.50


Finally, I've also noticed that there's a limitation on how many shipping rates can be added into the system before errors start being reported. Once the ID numbers of shipping rates in the database (tblKartrisShippingRates) exceed 255, it falls over when trying to add more due to a tinyint being used for the data type of the ID number. Was this intentional?

Many thanks in advance as always,
Mike


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