code: function getRowSample2() {
    //设置过滤器，当name = john 而且 addr = china 时返回该行
    var condition = new TableStore.CompositeCondition(TableStore.LogicalOperator.AND);
    condition.addSubCondition(new TableStore.SingleColumnCondition('name', 'john', TableStore.ComparatorType.EQUAL));
    condition.addSubCondition(new TableStore.SingleColumnCondition('addr', 'china', TableStore.ComparatorType.EQUAL));
  
    params.columnFilter = condition;
  
    //设置按列进行翻页，用于读取宽行，两个参数为：limit,offset
    //params.columnFilter = new TableStore.ColumnPaginationFilter(2, 0);
    client.getRow(params, function (err, data) {
      if (err) {
        console.log('error:', err);
        return;
      }
      console.log('success:', data);
    });
  }
docs: 示例2：设置过滤器 /*
  TableStore.LogicalOperator支持的操作包括：AND、NOT、OR
  TableStore.ComparatorType支持的操作包括：EQUAL、NOT_EQUAL、GREATER_THAN、GREATER_EQUAL、LESS_THAN、LESS_EQUAL