How to define a _find query in couchdb mango with field names that start with dollar sign ($)

Question

Many years ago we launched a project to manage semi-structured information for research projects. We used CouchDB, and at that time it was convenient for us to call the mand

Answer 1

As mentioned in this duplicate question, as well as on this CouchDB GitHub issue, this is possible by escaping the $ character:

... you can escape the dollar sign with \\$keyname.