§ 通过 CLI 客户端连接
连接到 GreatSQL 数据库之前，请确认 GreatSQL 服务正常运行。
$ systemctl status greatsql
# 看到 Active: active (running) 关键字即可
Active: active (running) since Wed 2024-04-24 16:17:45 CST; 4 days ago
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可以直接使用CLI客户端连接到GreatSQL客户端
$ mysql -h主机名 -P端口号 -u用户名 -p密码
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注意！若密码有特殊字符请使用''英文引号包围密码
以下为连接示例
$ mysql -hlocalhost -P3306 -urepl -p'GreatSQL@2024'
mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 174
Server version: 8.0.32-25 GreatSQL, Release 25, Revision 79f57097e3f
Copyright (c) 2021-2023 GreatDB Software Co., Ltd
Copyright (c) 2009-2023 Percona LLC and/or its affiliates
Copyright (c) 2000, 2023, Oracle and/or its affiliates.
Oracle is 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.
greatsql>
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因为密码为明文填入，所以会触发警告
[Warning] Using a password on the command line interface can be insecure.，若不想触发警告，在-p后面不要填入密码即可
连入数据库后，可以使用SHOW VARIABLES LIKE '%version%';或\s查看数据库基本信息
greatsql> SHOW VARIABLES LIKE '%version%';
+--------------------------------------------------+--------------------------------------------+
| Variable_name | Value |
+--------------------------------------------------+--------------------------------------------+
| admin_tls_version | TLSv1.2,TLSv1.3 |
| gdb_sqld_version | 8.0.32.5 |
| group_replication_allow_local_lower_version_join | OFF |
| group_replication_recovery_tls_version | TLSv1.2,TLSv1.3 |
| immediate_server_version | 999999 |
| innodb_version | 8.0.32-8.0.32 |
| original_server_version | 999999 |
| protocol_version | 10 |
| replica_type_conversions | |
| slave_type_conversions | |
| tls_version | TLSv1.2,TLSv1.3 |
| version | 8.0.32-25 |
| version_comment | GreatSQL, Release 25, Revision 79f57097e3f |
| version_compile_machine | x86_64 |
| version_compile_os | Linux |
| version_compile_zlib | 1.2.13 |
| version_suffix | |
+--------------------------------------------------+--------------------------------------------+
17 rows in set (0.01 sec)
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使用EXIT或QUIT命令即可退出GreatSQL客户端连接
greatsql> EXIT
Bye
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