Django - DRF Advanced Features
You want to implement pagination for a large dataset where new items are frequently added. Which pagination style is best to avoid duplicate or missing items when users navigate pages?
You want to implement pagination for a large dataset where new items are frequently added. Which pagination style is best to avoid duplicate or missing items when users navigate pages?
hard📝 Application Q15 of 15
Step-by-Step Solution
Solution:
Step 1: Understand pagination challenges with dynamic data
PageNumber and LimitOffset can cause duplicates or missing items if data changes between requests.Step 2: Identify pagination style that handles dynamic data well
CursorPagination uses a stable cursor based on item order, preventing duplicates or skips when data changes.Final Answer:
CursorPagination -> Option AQuick Check:
Dynamic data needs CursorPagination [OK]
Quick Trick: Use CursorPagination for changing data to avoid duplicates [OK]
Common Mistakes:
MISTAKES- Choosing PageNumberPagination for dynamic data
- Thinking LimitOffsetPagination handles data changes well
- Ignoring pagination for large datasets
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