Magento Upgrade

本文详细介绍了如何将Magento平台从1.4升级至1.7,并解决升级过程中遇到的问题,包括数据库迁移、维护模式激活、重复条目错误处理等。提供了MySQL命令加载数据库和使用PHPMyAdmin复制数据结构的方法。

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 ######Task: Upgrade the magento from 1.4 to 1.7
1.Use Magento connection to upgrade the Magento Core files;
   After upgrade, it will be 503error on both of frontend and backend. This is because magentoenter into maintenance mode.
   If it is necessary, i willcompare the Magento connect mode with Mage command mode.

2.After upgrade, come across following problem:
#SQLSTATE[HY000]: General error: 1025 Error on rename#
#SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicateentry#
============================================
-<initStatements>SET NAMES utf8 ; SETFOREIGN_KEY_CHECKS=0;SETUNIQUE_CHECKS=0;</initStatements>
-Check the duplicate  entry and remove them in thedatabase;
============================================


3.Check any  problem when upgrading localMagento;

Mage_Core_Model_Resource_Setup  This class is usedto run the sql directly or run the PHP scripts with SQLindirectly.


4.Tips;
Use mysql command source and load to load the database or usePHPMYADMIN's copy database function to copy data structure and dataitself.
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