February 2018
Intermediate to advanced
356 pages
9h 10m
English
LPUSH: Insert the new element at the head of the key. The command also supports multiple arguments, in this case, the values will be stored in the reverse order as we passed on the arguments.
Here are some command examples:
LPUSH "categories" "sports" LPUSH "categories" "movies" LRANGE "categories" 0 -1
Take a look at the LRANGE output, as we can see the value of the movie is the first one on the list because the LPUSH inserted the new element on the head.
RPUSH: Insert the new element at the tail of the key. The command supports multiple arguments as well, in this case, the values will respect the respective order.
Here are some command examples:
RPUSH "categories" "kitchen" RPUSH "categories" "room" LRANGE "categories" 0 ...