String getPackedFieldNames() {
		StringBuffer buf = new StringBuffer();
		buf.append(keyName);
		buf.append(NAME_SEPARATOR);
		for (String fieldName : fieldNames) {
			buf.append(fieldName);
			buf.append(NAME_SEPARATOR);
		}
		return buf.toString();
	}
Get the packed list of data Field names.
@return packed name list.
Ghidra/Framework/DB/src/main/java/db/Schema.java