xindex 文件及指令格式说明(电脑网专用)

[chenchongqi]

index文件

• 文件名
  1. 历史产品：小类id-h.txt 如手机历史产品 20937-h.txt
  2. 非历史产品：小类id.txt 如手机非历史产品 20937.txt

• 文件格式

  Record struct match Query
  
  --------+---+-------------------+-----------+
  Field   |ID | IndexField        | ExtraField|
          |   | 0   1   2   3   4 | 0   1   2 |
  --------+---+---+---+---+---+---+---+---+---+
  Record  | x | x | x | x | x | x | x | x | x |
          | x | x | x | x | x | x | x | x | x |
          | x | x | x | x | x | x | x | x | x |
          | x | x | x | x | x | x | x | x | x |
          | x | x | x | x | x | x | x | x | x |
          | x | x | x | x | x | x | x | x | x |
  --------+---+---+---+---+---+---+---+---+---+
  Query   |   | m0| m1| m2| m3| m4|   |   |   | match
          +---+---+---+---+---+---+---+---+---+
          |   |   |   |   |   |   | 0 | 1 | 2 | sort_index
          +---+---+---+---+---+---+---+---+---+
          |   | x |   |   |   |   |   |   |   | sort_price
  --------+---+---+---+---+---+---+---+---+---+
  

  • IndexField?
    1. m0:全国价
    2. m1:品牌
    3. m2-m7:自定义查询项item1-item6
  • ExtraField?
    1. e1:热度
    2. e2:创建时间
    3. e3:评分
    4. e4:北京分站价格
    5. e5:上海分站价格
    6. e6:广州分站价格
    7. e7:深圳分站价格
    8. e8:成都分站价格

price文件

• 文件名 price.txt
• 文件格式

  北上广深成都价格在ExtraField中的位置
  @first_area:
  ---------+----+----+----+----+----+----+
  Area ID  | a0 | a1 | a2 | a3 | a4 | a5 |
  ---------+----+----+----+----+----+----+
  Field ID | m0 | e4 | e5 | e6 | e7 | e8 |
  ---------+----+----+----+----+----+----+
  a0 全国地区id
  a1-a5 北上广深地区id
  
  分站对应关系
  @second_area:
  --------------+----+----+----+----+----+----+
  Minor Area ID | n1 | n2 | n3 | n4 | n5 | n6 | ... 
  --------------+----+----+----+----+----+----+
  Main Area ID  | a1 | a1 | a1 | a2 | a2 | a3 | ...
  --------------+----+----+----+----+----+----+
  n1-nx 除了北上广深成都全国外其他各小分站地区id
  a1-a5 被引用的主要分站地区id
  
  分站本地价格
  @second_area_price:
  --------+------------+-------+
  Area Id | Product Id | Price |
  --------+------------+-------+