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Enhancement(機能追加・改善) #4085

Shinichi Urabe さんがほぼ8年前に更新

テーブル定義変更案 

 <pre> 
 <code="yaml"> 
 options: 
   charset: utf8 
 actAs: [Timestampable] 

 Thread: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     name: { type: string, notnull: true } 

 ThreadMember: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     member_id: { type: integer(4) } 
     is_thread_block: { type: boolean, notnull: true, default: 0 } 
     is_notification: { type: boolean, notnull: true, default: 1 } 
   relations: 
     Member: 
       onDelete: set null 
     Message: 
       onDelete: cascade 

 Message: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     thread_member_id: { type: integer(4), notnull: true } 
     thread_id: { type: integer(4), notnull: true } 
     body: { type: string, notnull: true } 
     is_deleted: { type: boolean, notnull: true, default: 0 } 
     return_message_id: { type: integer(4), default: null } 
     message_type_id: { type: integer(4), notnull: true } 
   relations: 
     Thread: 
       onDelete: cascade 
     ThreadMember: 
       onDelete: cascade 
     Message: 
       local:      return_message_id 
       onDelete: set null 
     MessageType: 
       onDelete: cascade 
   indexes: 
     is_deleted_thread_id_id: 
       fields: [is_deleted, thread_id, id] 

 MessageUnread: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     thread_member_id: { type: integer(4), notnull: true } 
     message_id: { type: integer(4), notnull: true } 
   relations: 
     ThreadMember: 
       onDelete: cascade 
     Message: 
       onDelete: cascade 
   indexes: 
     thread_member_id_message_id_UNIQUE: 
       fields: [thread_member_id, message_id] 
       type: unique 

 MessageFile: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     message_id: { type: integer(4), notnull: true } 
     file_id: { type: integer(4), notnull: true } 
   relations: 
     Message: 
       onDelete: cascade 
     File: 
       onDelete: cascade 

 MessageType: 
   columns: 
     id: { type: integer(4), primary: true, autoincrement: true } 
     type_name: { type: string(256), notnull: true } 
     body: { type: string, notnull: true } 
     caption: { type: string, notnull: true } 
     info: { type: string, notnull: true } 

 </code> 
 </pre>

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