PrestaShop/PrestaShop — pull request #510 by SebSept (2013-06-19 12:21:04+00:00)
Title: [-] FO Fix ProductSale::getBestSales() query error

Bug :
In Admin > Preferences > Products : 'Default order by' : choose 'Product add date' or 'Product modified date'
open /index.php?controller=best-sales :

This commit fix the 'Column 'date_add' in order clause is ambiguous'
error by adding the table information.