选择查询以从另一个键/值表填充字段

Question

TABLE_1

pid |   decs_key
-------------------------
1   |   1022
2   |   1028
3   |   1022
4   |   1022
5   |   1022

TABLE_2

desc_key|   decs_value
-------------------------
1022    |   'desc 1'
1028    |   'desc 2'
1029    |   'desc 3'
1088    |   'desc 4'

如何编写返回以下结果集的SELECT查询：

1   |   'desc 1'
2   |   'desc 2'
3   |   'desc 1'
4   |   'desc 1'
5   |   'desc 1'

Answer 1

In [1]: from sqlalchemy.engine.url import make_url

In [2]: url = make_url("MYSQL://username:password@host:100/database_name")

In [3]: print url.username, url.password, url.host, url.port, url.database
username password host 100 database_name