code: public void updateLocalTable(HsqlName queryName, Type[] finalTypes) {
          assert(localTables != null);
          Table tbl = getLocalTable(queryName.name);
          assert (tbl != null);
          TableUtil.updateColumnTypes(tbl, finalTypes);
      }
docs: Update the local table with new types.  This is very dubious.
  
  @param queryName
  @param finalTypes