The fieldmapper (fm_IDL.xml) maps the fields! It defines objects’ fields, linked fields from other objects, and permissions needed to access various things. Most of the Evergreen code (including the reports engine) accesses the database content via the fieldmapper rather than accessing the database directly.

• fm_IDL.xml in Evergreen git repository

The fieldmapper is installed in two locations on your server:

• /openils/conf/fm_IDL.xml
• /openils/var/web/reports/fm_IDL.xml

To view the current fieldmapper on your own site through a browser:

• https://[your domain].org/reports/fm_IDL.xml

• Information about the main fieldmapper classes
• Example of how to navigate the fieldmapper
• Relationship of the fieldmapper to reports
• Relationship of the fieldmapper to the PostgreSQL database schemas