ahoymehearties/D7-Upgrade — pull request #1 by mike-potter (2012-08-21 17:12:59+00:00)
Title: First stage of Taxonomy conversion

This set of code adds the new Issues taxonomy and converts the existing parent/child/grandchild structure into the new taxonomy. Two update hooks are provided:

1) Creates each individual Issue taxonomy term and adds it to the Issues vocabulary. Fields for issue_header, intro, parent_video, issue_placeholder are copied from existing nodes into the taxonomy term fields.

2) Processes all nodes on the site to populate the field_issues taxonomy reference with the terms corresponding to the old parent/child/grandchild node references.

A temporary database table called "cdt_mapping" is also created to store the mapping between the old node id and the new taxonomy id. This table can be used for other data migration as necessary.

More info here: https://atrium.phase2technology.com/cdt/node/927753