src/main/java/io/opentracing/contrib/jdbc/parser/AbstractURLParser.java
protected String fetchDatabaseHostsFromURL(String url) {
    URLLocation hostsLocation = fetchDatabaseHostsIndexRange(url);
    return url.substring(hostsLocation.startIndex(), hostsLocation.endIndex());
  }
protected String fetchDatabaseHostsFromURL(String url) {
    URLLocation hostsLocation = fetchDatabaseHostsIndexRange(url);
    return url.substring(hostsLocation.startIndex(), hostsLocation.endIndex());
  }
Fetch database host(s) from connection url.

@return database host(s).