我如何可以设置自定义指令在database.yml中为默认指令

Question

我想设置报告指令为默认指令在我的Rails应用程序

development: 
    adapter: mysql 
    database: osvdb 
    host: localhost 
    username: root 
    password: jeet 
report: 
    adapter: mysql 
    database: report_db 
    host: localhost 
    username: root 
    password: jeet 

Answer 1

report: &defaults 
    adapter: mysql 
    database: osvdb 
    host: localhost 
    username: root 
    password: jeet 

development: 
    <<: *defaults