tree 95860539260de418a46d7086c20a108e4508d0c8
parent cfab7f10c0f72b6e9c30027db27c0c2f357f8fa6
author Hao Zhu <haozhu233@gmail.com> 1524511149 -0400
committer Hao Zhu <haozhu233@gmail.com> 1524511149 -0400

add include_thead to column_spec