Last updated September 21, 2011. Created by mikeryan on December 24, 2010.
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This documentation applies to Migrate V1 only - if you are just beginning with the Migrate module, ignore everything you see here and start with the Migrate V2 documentation.
The migrate module provides a flexible framework for migrating content into Drupal from other sources (e.g., when converting a web site from another CMS to Drupal). Out-of-the-box, support for creating Drupal nodes, users, and comments is included - hooks permit migration of other types of content.
In addition to performing the creation of Drupal objects from arbitrary data, migrate helps with the methodology of data migration:
- It lets admins/clients browse their legacy data before import into Drupal.
- From there, client may annotate columns so that everyone agrees on what the data means.
- It lets admins map their legacy table columns to core node fields, CCK fields, and taxonomy terms.
- It provides a dashboard for running mini migrations such as 'blog posts from 2004', and makes it easy to roll back after fixing a bug and re-migrate
- It provides Views for Quality Assurance, comparing legacy tables to new Drupal tables