Magento 1.5 to 1.6 upgrade
This is an old revision of the document!
This is a short explanation on how to upgrade to version 1.6 from version 1.5. I will continue to add to this WIKI as I have time.
rm -rf var/cache session ./mage mage-setup . ./mage config-set preferred_state stable ./mage list-installed ./mage list-upgrades ./mage install http://connect20.magentocommerce.com/community Mage_All_Latest --force ./shell php indexer.php reindexall
If your install encounters unique constraint issues you may want to consider modifying your /app/etc/config.xml with the follow:
<initStatements>SET NAMES utf8</initStatements>
<initStatements>SET NAMES utf8; SET FOREIGN_KEY_CHECKS=0; SET UNIQUE_CHECKS=0;</initStatements>
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— Brent W Peterson 2011/08/21 06:27