Redis list-type operations

Redis 1gt for list type operations; stack features: first-in-first-out, second-in-first-out 2gt; queue features: first-in-first-out, and then-out List is a linked list structure, which can be used as a stack

Redis 1gt for list type operations; stack features: first-in-first-out, second-in-first-out 2gt; queue features: first-in-first-out, and then-out List is a linked list structure, which can be used as a stack

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Redis list-type operations

[Date: 2013-11-15] Source: Linux Author: xiaohongyangok [Font:]

Redis list-type operations

1> stack features: first-in-first-out, and later-in-first-out
2> queue features: FIFO and FIFO
A List is a linked List structure that can be used as a stack or as a queue to process data.
Lpush mylist "world" // put world to the end of mylist
Lpush mylist "hello" // save hello to the end of mylist
Lrange 0-1 // obtain all elements in mylist
Rpush mylist2 "hello" // save hello to the mylist Header
Rpush mylist2 "world" // store the world to the mylist Header
Lrange 0-1
Linsert mylist2 before world "xhy" // Insert "xhy" to the front of the world element in mylist"
Lset mylist2 0 "example" // set the value of The 0th elements in mylist to "example"
Lpush mylist_rem "one"
Lpush mylist_rem "one"
Lpush mylist_rem "one"
Lrem mylist_rem 1 "one // delete one element with the value of" one"
Lpush mylist_ltrim "one"
Lpush mylist_ltrim "two"
Lpush mylist_ltrim "three"
Lpush mylist_ltrim "four"
Lpush mylist_ltrim "five"
Ltrim mylist_ltrim 2 3 // delete other elements except 2nd and 3rd

Lpush list_pop 1
Lpush list_pop 1
Lpush list_pop 1
Lrange list_pop 0-1
Lpop list_pop // Delete the first element of list_pop from the header
Rpop list_pop // Delete the first element of list_pop from the end
Lpush list_1 0
Lpush list_1 1
Lpush list_1 2
Lpush list_1 3
Lrange list_1 0-1
Lpush list_2 4
Lpush list_2 5
Lpush list_2 6
Lpush list_2 7
Lrange list_2 0-1
Rpoplpush list_1 list_2 // 1st elements are popped up from the end of list_1 and added to the header of list_2.
Lindex list_2 0 // retrieve 0th list_2 Elements
Lindex list_2 1
Llen // return the length of the linked list

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