I'm the guy that does the data entry for our cross-sells and up-sells on our store page. Unfortunately, the marketing person would like all cross-sells and up-sells to be swapped. Is this possible? Failing that, is there a better way to gather product ID's for copy and paste purposes?


Up-sells and cross-sells relations are both kept in the same table: catalog_product_link.
the only difference between the 2 relations it the link_type_id column.
For up-sells the value is 4 and for cross-sells it is 5.

so you can swap them through a single query:

    `link_type_id` = 9 - `link_type_id` 
    `link_type_id` IN (4,5)

But back up the table first.

  • That's a very clever 'hack' using 9 - x to switch the numbers. – Peter O'Callaghan Feb 23 '15 at 21:27
  • @Cags. I was good at math and "twisted" problems when I was young. I still remember some tricks :) – Marius Feb 23 '15 at 21:33
  • 1
    Hopefully you never forget you did the twist ... – roman204 Feb 24 '15 at 5:18
  • You're a saint! – Barry Feb 24 '15 at 14:28

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