blpop Command
Syntax: blpop list_name1 list_name2 time
Explanation: It is the blocking version of lpop cmd, it will block ‘lpop’ cmd till there aren’t any value to pop it or till timeout. If till timeout source list ‘List1’ didn’t contain any value then it will return nill.
Example: blpop WebTechStack AppTechStack 20
Complete Guide to Redis Lists
When it comes to data structures, Redis offers a wide range of options to efficiently manage and manipulate your data and one of them is list. A list is an ordered collection of values associated with a unique index. Unlike arrays, Redis lists are not limited to a fixed size and can expand or shrink on per need basis. In real, it works like linked lists under the hood, which means adding or removing elements from the beginning or the end of the list is an efficient operation here having a time complexity of O(1) that is constant.
Important Topics for the Redis Lists
- Redis Lists Commands
- 1. keys Command
- 2. lpush Command
- 3. lrange Command
- 4. rpush Command
- 5. llen Command
- 6. lpop Command
- 7. rpop Command
- 8. lset Command
- 9. linsert Command
- 10. lindex Command
- 11. lpushx Command
- 12. rpushx Command
- 13. sort Command
- 14. lrem Command
- 16. ltrim Command
- 17. blpop Command
- 18. brpop Command
- 19. blmove Command
- 20. lmpop Command
- How to Treat a list like a queue?
- How to Treat a list like a stack?
- Conclusion
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