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O'Reilly Platform
book
Presto实战
by
Matt Fuller
,
Manfred Moser
,
Martin Traverso
March 2021
Intermediate to advanced
265 pages
6h 50m
Chinese
Posts & Telecom Press
Content preview from
Presto实战
连接器
|
95
6.9
其他连接器
你现在知道,
Presto
项目包含许多连接器,但有时你会遇到这样的情况:你需要为一个特
定的数据源添加一个新的连接器。
好消息是,通常这不会有太大阻碍。
Presto
团队和社区正在不断扩大可用连接器的列表
,
所以当你读到本书时,这个列表可能已经变得更长了。
连接器也可以从
Presto
项目以外的第三方获得
。这包括其他社区成员和
Presto
用户编写的
连接器,它们还没有贡献回来,或者由于种种原因不能贡献出来。
连接器也可以从数据库系统的商业供应商那里获得,因此,询问你想查询的系统的所有者
或创建者是个好主意。
Presto
社区中有商业供应商
,如
Starburst
,他们将
Presto
与支持服
务和扩展程序打包在一起销售,其中也包括额外的连接器或改进过的连接器。
最后,你必须记住,
Presto
是一个围绕着开源项目的开放社区
。因此,你可以——我们也
鼓励你——去查看现有连接器的代码,并根据需要创建新的连接器。理想状况下,你甚至
可以参与
Presto
项目,贡献一个连接器给该项目,从而让版本维护和使用变得更简单。
6.10
小结
现在你已经了解了
Presto
可以访问各种数据源的强大功能。无论你访问的是什么数据源,
Presto
都能让你用
SQL
和
SQL
驱动的工具查询数据
。尤其是,你学习了关键的
Hive
连接
器,它用于查询分布式存储,如
HDFS
或云存储系统
。在第
7
章中,你可以详细了解其他
一些使用广泛的连接器。
所有连接器的详细文档可以在
Presto
网站
上找到,参见
1.4.1
节。如果没有找到想要的内 ...
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Publisher Resources
ISBN: 9787115560056