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mysql 控制台程序的提示符 prompt 字符串设置

The prompt command reconfigures the default mysql> prompt. The string for defining the prompt can contain the following special sequences.

mysql 控制台程序的默认提示符为 "mysql>". 该提示符可用根据需要进行修改设置:

有以下几种设置方式:

设置shell 的环境变量 : MYSQL_PS1

shell> export MYSQL_PS1="(\u@\h) [\d]> "

使用程序启动命令选项 : --prompt

shell> mysql --prompt="(\u@\h) [\d]> "
(user@host) [database]>

设置选项文件中的 [mysql] 节,添加 prompt 选项

[mysql]
prompt=(\\u@\\h) [\\d]>\\_
在 mysql 程序中使用 prompt (\R) 命令

mysql> prompt (\u@\h) [\d]>\_
PROMPT set to '(\u@\h) [\d]>\_'
(user@host) [database]>
(user@host) [database]> prompt
Returning to default PROMPT of mysql>
mysql>

prompt 中一些特殊的转义字符串

Option Description
\c A counter that increments for each statement you issue
\D The full current date
\d The default database
\h The server host
\l The current delimiter (new in 5.1.12)
\m Minutes of the current time
\n A newline character
\O The current month in three-letter format (Jan, Feb, …)
\o The current month in numeric format
\P am/pm
\p The current TCP/IP port or socket file
\R The current time, in 24-hour military time (0–23)
\r The current time, standard 12-hour time (1–12)
\S Semicolon
\s Seconds of the current time
\t A tab character
\U

Your full user_name@host_name account name

\u Your user name
\v The server version
\w The current day of the week in three-letter format (Mon, Tue, …)
\Y The current year, four digits
\y The current year, two digits
\_ A space
A space (a space follows the backslash)
\' Single quote
\" Double quote
\\ A literal “\” backslash character
\x

x, for any “x” not listed above

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