July 2023
Intermediate to advanced
278 pages
5h 40m
Chinese
Content preview from Trino 权威指南：原书第2版
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23
第 2 章
安装和配置 Trino
在第
1
章中，你了解了
Trino
及其可能的使用场景，现在可以开始尝试使用了。在本章
中，你将了解如何安装
Trino
、配置数据源并查询数据。
2.1
使用
Docker
容器探索
Trino
Trino
项目提供了
Docker
容器，便于你轻松启动配置好的
Trino
演示环境，用于第一次
的浏览并探索
Trino
。
要在
Docker
里运行
Trino
，需要先在机器上安装
Docker
，这可以从
Docker
的官方网站
（
https://www.docker.com
）下载，或使用操作系统提供的包管理系统。
使用
docker
命令下载容器镜像，将其命名为
trino-trial
并保存在本地，然后在后台
运行它，并将容器内的
8080
端口映射到工作站上的
8080
端口：
docker run -d -p 8080:8080 --name trino-trial trinodb/trino
现在我们连接到容器，并使用
Trino
命令行界面（
CLI
）执行
Trino
命令，这会连接到同
一容器里运行着的
Trino
服务器。接下来，可以在命令提示行中执行一个在
tpch
基准测
试数据表上的查询：
$ docker exec -it trino-trial trino
trino> select count(＊) from tpch.sf1.nation;
_col0
-------
25
(1 row)
Query 20181105_001601_00002_e6r6y, FINISHED, 1 node
Splits: 21 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.