mysql軟件安裝

至少需要安裝一個mysql客戶端，即要有mysql這個命令；也可以直接安裝一個mysql數據庫，不用可以不啟動；

clickhouse服務端配置mysql端口

vim /etc/clickhouse-server/config.xml

9004

修改服務器端配置，需要重啟clickhouse, 默認日志輸出 /var/log/clickhouse-server/clickhouse-server.log

下面這種方式，需要在本地配置mysql，然后本地連接，默認省去的連接主機為localhost

[root@ch2 ~]# mysql --protocol tcp -u default -P 9004Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection idis 0Server version:20.3.9.70-ClickHouse

Copyright (c)2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracleis a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type'help;' or '\h' for help. Type '\c'to clear the current input statement.

mysql>show databases;+----------+

| name |

+----------+

| default |

| system |

| test |

| tutorial |

+----------+

4 rows in set (0.01sec)

Read4 rows, 475.00 B in 0.001 sec., 3554 rows/sec., 412.20 KiB/sec.

mysql>use test;

Reading table informationforcompletion of table and column names

You can turn offthis feature to get a quicker startup with -A

Database changed

mysql>show tables;+------+

| name |

+------+

| test |

+------+

1 row in set (0.01sec)

Read1 rows, 26.00 B in 0.001 sec., 771 rows/sec., 19.60 KiB/sec.

同樣可以創建表

mysql> create table t1(id String,name String) ENGINE=TinyLog;

Query OK, 0 rows affected (0.01 sec)

mysql> insert into t1 values('a01','');

Query OK, 1 row affected (0.00 sec)

Read 1 rows, 21.00 B in 0.004 sec., 275 rows/sec., 5.64 KiB/sec.

mysql> select * from t1;

+------+------+

| id | name |

+------+------+

| a01 | |

+------+------+

1 row in set (0.01 sec)

Read 1 rows, 21.00 B in 0.002 sec., 525 rows/sec., 10.78 KiB/sec.

密碼配置

為了兼容mysql客戶端，建議clickhouse使用sha1加密算法

生成密碼，這個生成命令在?/etc/clickhouse-server/users.xml?注釋部分，是官方給出的

# PASSWORD=$(base64 < /dev/urandom | head -c8); echo "$PASSWORD"; echo -n "$PASSWORD"\> | sha1sum | tr -d '-' | xxd -r -p | sha1sum | tr -d '-'yOBuWUzN

1caa12e10ba19388e98b0964eb25e93128fd0ace

刪除下面的標簽

添加新標簽

1caa12e10ba19388e98b0964eb25e93128fd0ace

再次連接，不需要重啟clickhouse

mysql --protocol tcp -u default -P 9004 --password=yOBuWUzN

去掉密碼也可以連接

mysql --protocol tcp -u default -P 9004

總結

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