Increments the number stored at key
by increment
. If the key does not exist, it is set to 0
before performing the operation. An error is returned if the key contains a value of the wrong type or contains a string that can not be represented as integer. This operation is limited to 64 bit signed integers.
See INCR
for extra information on increment/decrement operations.
@return
@integer-reply: the value of key
after the increment
@examples
SET mykey "10"
INCRBY mykey 5