Data Migration from Drupal 7 to Drupal 10: Understanding the Process Pipeline
Tag1 Consulting's blog post, authored by Mauricio Dinarte, delves into the critical process pipeline of migrating data from Drupal 7 to Drupal 10. The process pipeline is essential for transforming source data to fit the destination structure.
The guide covers configuring and chaining process plugins, setting subfields and deltas for multi-value fields, and utilizing source constants and pseudo-fields. It explains the transformation of data extracted from Drupal 7 into a format suitable for Drupal 10 entities. The Migrate API, which supports various data sources and destinations, plays a central role.
Dinarte also details filtering out data, handling multi-value fields, and employing process plugin chains. The article emphasizes the importance of readability and maintainability in migration scripts.


