Add a single entry file to the index that backs one of a record's keys, creating the index file (and its __indexes/{record} directory) the first time a value is indexed. Keys with no lookup (multi-field keys are not indexed here) are left untouched.
Add a single entry file to the index that backs one of a record's keys, creating the index file (and its __indexes/{record} directory) the first time a value is indexed. Keys with no lookup (multi-field keys are not indexed here) are left untouched.