DatabaseObject[] rawObjectsFromStructure=getDatabaseObjectsFromStructure(dbStruct);
boolean bOldVersion=(rawObjectsFromStructure.length == 0);
if(bOldVersion){
log("Old-style version - it has either been downloaded from a server, or was created in an earlier version.");
DbFields dbf=dbStruct.getDbFields();
Entry entry=dbf.getEntry(DbFields.UPDATE_KEYS);
if(entry!=null){
String str=entry.getKeyFields();
StringTokenizer tk=new StringTokenizer(str,",", false);
while(tk.hasMoreTokens()){
String token=tk.nextToken();
String[] s=getOwnerTableColumnNames(token);
String sTable=s[1], sColumn=s[2];