public QueryBuilder where(String sqlCondition,String... args){
  if (sqlCondition != null && !sqlCondition.isEmpty()) {
    mCondition+=" and (" + sqlCondition + ")";
    mArgs=args == null ? mArgs : ObjectArrays.concat(mArgs,args,String.class);
  }
  return this;
}

public QueryBuilder where ( String sqlCondition , String ... args ) { if ( sqlCondition != null && ! sqlCondition . isEmpty ( ) ) { mCondition += " and (" + sqlCondition + ")" ; mArgs = args == null ? mArgs : ObjectArrays . concat ( mArgs , args , String . class ) ; } return this ; }
adds a sql condition to the where clause ( joined using and ) .
