kind: DataContainer
spec:
  namespace: # 替换
  data_source: # 替换
  name: # 替换.user_and_role
  spec:
    table_name: # 替换.user_and_role
    columns:
      - name: user_id
        type: "varchar(32)"
        comment: 用户ID
        primary_key: true
      - name: role_id
        type: "varchar(32)"
        comment: 角色ID
        primary_key: true