Entry type operation
2017-03-16 10:40:53 0 举报
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Entry type operation是一种在计算机编程中使用的操作，主要用于向数据结构（如数组、链表或字典）中添加新的元素。这种操作通常涉及到内存分配和数据复制。例如，当你在数组的末尾添加一个新的元素时，系统需要为这个新元素分配足够的内存空间，并将现有元素的数据复制到新的内存位置。这个过程可能需要一些时间，特别是当处理大量数据时。然而，一旦操作完成，你就可以立即访问和使用新添加的元素。Entry type operation是许多编程语言的基础功能，对于实现复杂的数据结构和算法至关重要。
作者其他创作
大纲/内容
Append field to existed group column mapgroupid:List
Y
Loop done?
Start query service
This group column had used?
Group container exist?
Loop entry and entity according to tile config and retrieve all eligible data from cache
Add it to map
Include group?
Current logic
Change tile config? OR delete tile?
Loop columns
End
Add group setting to map
Analyze filter model
N
Add it to select model
Insert into temp table all eligible data
All group columns are NOT time series?
Delete entry type
Loop group container
Delete db and cache
Is Time series?
Start delete entry type
Generate SQL model for current group column
Change entry's type to default type
Loop all tile configs
Loop group columns
Create new List object
Find next tile
Create temp table(Must have entity and parent entry id columns) Other columns depend on tile configuration
Left join all non-time series group columns.
Add all not group columns to every group column.Union all time series group column.
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