mysql - 如何以Python方式匹配和分配数据？

Question

我有一个人员列表(mysql 表)及其标题，如下表所示。我还有一个标题及其类别的列表。我如何将他们的类别分配给该人？当一个人有多个头衔时就会出现问题。将标题映射到类别并将其分配给人员的 Python 方式是什么？

人员表

Name   Title
--------------------
John D CEO, COO, CTO 
Mary J COO, MD
Tim  C Dev Ops, Director

标题类别表

Title      Executive IT Other
-----------------------------
CEO        1
COO        1
CTO        1          1
MD         1
Dev Ops               1
Director                 1

所需输出:

Name   Title             Executive  IT  Other
---------------------------------------------
John D CEO, COO, CTO     1          1
Mary J COO, MD           1 
Tim  C Dev Ops, Director            1   1

Answer 1

name_title = (("John D",("CEO","COO","CTO")),
              ("Mary J",("COO","MD")),
              ("Tim C",("Dev Ops","Director")))
title_cat = {"CEO": set(["Executive"]),
             "COO": set(["Executive"]),
             "CTO": set(["Executive"]),
             "MD": set(["Executive"]),
             "Dev Ops": set(["IT"]),
             "Director": set(["Other"])}

name_cat = [(name, reduce(lambda x,y:x|y, [title_cat[title]for title in titles])) for name,titles in name_title]

如果有一个union，其行为类似于集合上的sum，那就太好了。