Python redis list operation

Lpush list_name value [value ...]

Prepend one or multiple values to a list

Inserts a value from the left, the oldest inserted value at the far right

Lpushx List_name Value

Prepend a value to a list, only if the list exists

Determine if the list exists, insert a value if it exists, do not insert a value, insert only once, insert from the left

Linsert List_name before| After pivot value

Insert an element before or after another element in a list

R.linsert (' List1 ', ' before ', 6, 7)

Insert a new value before or after a value in the list, because it is calculated from the left side, so the front is the left side and the right side is behind.

Rpush list_name value [value ...]

Append one or multiple values to a list

R.rpush (' List1 ', 8, 9)

Insert a value from the right side of the list to insert multiple

Rpushx List_name Value

Append a value to a list, only if the list exists

R.rpushx (' List1 ', 9)

To determine if a list exists, insert a value from the right side of the list, insert only one at a time, and not exist to create

Lpop List_name

Remove and get the first element in a list

R.lpop (' List1 ')

Returns an element from the leftmost side of the list

Rpop Key

Remove and get the last element in a list

R.rpop (' List1 ')

Returns an element from the far right of the list

Blpop list_name1 [list_name2 ...] timeout

Remove and get the first element in a list, or block until one is available

If the list of actions does not exist, it will block

R.blpop (' List2 ')

R.blpop (["List1", "List2"])

R.blpop (["List1", "List2"], 100)

Remove the leftmost element of the queue in the list of queues, if it is empty, then block

Brpop list_name1 [list_name2 ...] timeout

Remove and get the last element in a list, or block until one is available

If the list of actions does not exist, it will block

R.brpop (' List2 ')

R.brpop (["List1", "List2"])

R.brpop (["List1", "List2"], 100)

Remove the rightmost element of the queue in the list of queues, and if it is empty, block

LSET List_name Index value

Set the value of an element in a list by its index

R.lset (' List1 ', 0, 999)

Set the queue to specify the value of the cursor

LINDEX List_name Index

Get an element from a list by its index

R.lindex (' List1 ', 1)

Gets the value of the specified underlying in the queue

Lrange list_name Start stop

Get a range of elements from a list

R.lrange (' List1 ', 0, 3)

Gets the value of the specified range in the queue

Llen List_name

Get the length of a list

R.llen (' List1 ')

Get Queue Length

Lrem List_name Value Count

Remove elements from a list

R.lrem (' List1 ', 999, 0)

Delete the specified value in the queue

List name of the Name:redis

Value: The values to remove

num:num=0 deletes all specified values from the list;

Num=2 from front to back, delete 2;

Num=-2 from the back forward, remove 2 "

LTRIM list_name Start stop

Trim a list to the specified range

R.ltrim (' List1 ', 0, 1)

Remove values from the list that are not within the index

Rpoplpush Source Destination

Remove the last element in a list, prepend it to another list and return it

R.rpoplpush (' List1 ', ' List2 ')

POPs the rightmost data from the source queue and inserts the leftmost side of the destination queue, as well as the return value

Brpoplpush Source Destination Timeout

Pop a value from a list, push it to another list and return it; or block until one is available

POPs the rightmost data from the source queue and inserts the leftmost side of the destination queue, and as a return value, no time is worth blocking

Python redis list operation