With this function, the data from one form field (column) can be moved to another form field and converted with a user-supplied function.
migrateFieldData( .data, from, to, fn = function(x) x, idColumn = as.name("_id") )
||remote records object of the form online|
||the source form field from which to get the data|
||the destination form field which will receive the converted data|
||the user-supplied conversion function; default is to do nothing|
||the id column. The default is _id|
The form field schema after the addition. This will be the form field schema from the server if changes are uploaded.