About information, how to avoid repeated data acquisition of post-class information

Scenario Description:

When the user is on the first page to view the list of information (10 per page), then the background new information (assuming 10), if the number of pages to get the second page of data, will inevitably take out the duplicate data.

Solution:

Do not use the traditional paging method to get the data, the time stamp is obtained. Take the last time stamp, filter the conditions, take the specified number of bars.

Advantages:

Avoid duplication of data acquisition and speed up query efficiency.

About information, how to avoid repeated data acquisition of post-class information