Memcached Increment and Decrement Operations with Python Example


As we see before we have done Set CAS operation to increment counter key value. Here is a operator to increment and decrement values directly.

incr key incrementvalue
  • incr  is the operation
  • key is the key we want to increment
  • incrementvalue the value we want to increment

Example

Let’s do simple example

add counter 0 0 3 
123  
STORED

Now we have a key named counter we want to increment it.

incr counter 1 
124

Decrement

decr key decrementvalue
  • decr  is the operation
  • key is the key we want to increment
  • decrementvalue the value we want to increment

Example

decr counter 2 
122
  • decr is the operation
  • counter is the key we want to decrement
  • is how much we want to decrement
  • 122 is the result after decrements

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