找不到Sequel模型集架构

推荐方式…

LOGGER = Object.new()
def LOGGER.method_missing( name, args )
    puts "[#{name}] #{args}"
end

Sequel::Model.plugin(:schema)                       # I worked this out, but I can't find it documented

DB = Sequel.sqlite('sql_test.db', :loggers => [LOGGER] )

unless  DB.table_exists?( :user ) 
    DB.create_table :user  do
        set_primary_key :id
        String          :name
        String          :password
        String          :eMail
    end #create_table
end #table exists
class User < Sequel::Model(:user)

答案是调用用于模式管理的插件。即

require 'sequel'
require 'logger'

LOGGER = Object.new()
def LOGGER.method_missing( name, args )
    puts "[#{name}] #{args}"
end

**Sequel::Model.plugin(:schema)**            # I still didn't find this documented

DB = Sequel.sqlite('sql_test.db', :loggers => [LOGGER] )


class User < Sequel::Model(:user)

  set_schema do
    set_primary_key :id
    String          :name
  end 
end 

是的 Sequel::Model.plugin(:schema) 也为我工作。在文档中看不到它,我很困惑为什么,因为我有另一个工作项目使用 set_schema 不大惊小怪。