mirror of
https://github.com/namibia/awesome-cheatsheets.git
synced 2024-12-20 17:19:04 +00:00
154 lines
8.4 KiB
Bash
154 lines
8.4 KiB
Bash
# *****************************************************************************
|
||
# BASICS
|
||
# *****************************************************************************
|
||
|
||
|
||
redis-server /path/redis.conf # start redis with the related configuration file
|
||
redis-cli # opens a redis prompt
|
||
|
||
|
||
# *****************************************************************************
|
||
# STRINGS
|
||
# *****************************************************************************
|
||
|
||
|
||
APPEND key value # append a value to a key
|
||
BITCOUNT key [start end] # count set bits in a string
|
||
SET key value # set value in key
|
||
SETNX key value # set if not exist value in key
|
||
SETRANGE key offset value # overwrite part of a string at key starting at the specified offset
|
||
STRLEN key # get the length of the value stored in a key
|
||
MSET key value [key value ...] # set multiple keys to multiple values
|
||
MSETNX key value [key value ...] # set multiple keys to multiple values, only if none of the keys exist
|
||
GET key # get value in key
|
||
GETRANGE key start end # get substring of stored value from start to end offsets (both inclusive)
|
||
MGET key [key ...] # get the values of all the given keys
|
||
INCR key # increment value in key
|
||
INCRBY key increment # increment the integer value of a key by the given amount
|
||
INCRBYFLOAT key increment # increment the float value of a key by the given amount
|
||
DECR key # decrement the integer value of key by one
|
||
DECRBY key decrement # decrement the integer value of a key by the given number
|
||
DEL key # delete key
|
||
|
||
EXPIRE key 120 # key will be deleted in 120 seconds
|
||
TTL key # returns the number of seconds until a key is deleted
|
||
|
||
|
||
# *****************************************************************************
|
||
# LISTS
|
||
# A list is a series of ordered values
|
||
# *****************************************************************************
|
||
|
||
|
||
RPUSH key value [value ...] # put the new value at the end of the list
|
||
RPUSHX key value # append a value to a list, only if the exists
|
||
LPUSH key value [value ...] # put the new value at the start of the list
|
||
LRANGE key start stop # give a subset of the list
|
||
LINDEX key index # get an element from a list by its index
|
||
LINSERT key BEFORE|AFTER pivot value # insert an element before or after another element in a list
|
||
LLEN key # return the current length of the list
|
||
LPOP key # remove the first element from the list and returns it
|
||
LSET key index value # set the value of an element in a list by its index
|
||
LTRIM key start stop # trim a list to the specified range
|
||
RPOP key # remove the last element from the list and returns it
|
||
RPOPLPUSH source destination # remove the last element in a list, prepend it to another list and return it
|
||
BLPOP key [key ...] timeout # remove and get the first element in a list, or block until one is available
|
||
BRPOP key [key ...] timeout # remove and get the last element in a list, or block until one is available
|
||
|
||
|
||
# *****************************************************************************
|
||
# SETS
|
||
# A set is similar to a list, except it does not have a specific order
|
||
# and each element may only appear once.
|
||
# *****************************************************************************
|
||
|
||
|
||
SADD key member [member ...] # add the given value to the set
|
||
SCARD key # get the number of members in a set
|
||
SREM key member [member ...] # remove the given value from the set
|
||
SISMEMBER myset value # test if the given value is in the set.
|
||
SMEMBERS myset # return a list of all the members of this set
|
||
SUNION key [key ...] # combine two or more sets and returns the list of all elements
|
||
SINTER key [key ...] # intersect multiple sets
|
||
SMOVE source destination member # move a member from one set to another
|
||
SPOP key [count] # remove and return one or multiple random members from a set
|
||
|
||
|
||
# *****************************************************************************
|
||
# SORTED SETS
|
||
# A sorted set is similar to a regular set, but now each value has an associated score.
|
||
# This score is used to sort the elements in the set.
|
||
# *****************************************************************************
|
||
|
||
|
||
ZADD key [NX|XX] [CH] [INCR] score member [score member ...] # add one or more members to a sorted set, or update its score if it already exists
|
||
|
||
ZCARD key # get the number of members in a sorted set
|
||
ZCOUNT key min max # count the members in a sorted set with scores within the given values
|
||
ZINCRBY key increment member # increment the score of a member in a sorted set
|
||
ZRANGE key start stop [WITHSCORES] # returns a subset of the sorted set
|
||
ZRANK key member # determine the index of a member in a sorted set
|
||
ZREM key member [member ...] # remove one or more members from a sorted set
|
||
ZREMRANGEBYRANK key start stop # remove all members in a sorted set within the given indexes
|
||
ZREMRANGEBYSCORE key min max # remove all members in a sorted set, by index, with scores ordered from high to low
|
||
ZSCORE key member # get the score associated with the given mmeber in a sorted set
|
||
|
||
ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count] # return a range of members in a sorted set, by score
|
||
|
||
|
||
# *****************************************************************************
|
||
# HASHES
|
||
# Hashes are maps between string fields and string values,
|
||
# so they are the perfect data type to represent objects.
|
||
# *****************************************************************************
|
||
|
||
|
||
HGET key field # get the value of a hash field
|
||
HGETALL key # get all the fields and values in a hash
|
||
HSET key field value # set the string value of a hash field
|
||
HSETNX key field value # set the string value of a hash field, only if the field does not exists
|
||
|
||
HMSET key field value [field value ...] # set multiple fields at once
|
||
|
||
HINCRBY key field increment # increment value in hash by X
|
||
HDEL key field [field ...] # delete one or more hash fields
|
||
HEXISTS key field # determine if a hash field exists
|
||
HKEYS key # get all the fields in a hash
|
||
HLEN key # get all the fields in a hash
|
||
HSTRLEN key field # get the length of the value of a hash field
|
||
HVALS key # get all the values in a hash
|
||
|
||
|
||
# *****************************************************************************
|
||
# HYPERLOGLOG
|
||
# HyperLogLog uses randomization in order to provide an approximation of the number
|
||
# of unique elements in a set using just a constant, and small, amount of memory
|
||
# *****************************************************************************
|
||
|
||
|
||
PFADD key element [element ...] # add the specified elements to the specified HyperLogLog
|
||
PFCOUNT key [key ...] # return the approximated cardinality of the set(s) observed by the HyperLogLog at key's)
|
||
|
||
PFMERGE destkey sourcekey [sourcekey ...] # merge N HyperLogLogs into a single one
|
||
|
||
|
||
# *****************************************************************************
|
||
# PUBLICATION & SUBSCRIPTION
|
||
# *****************************************************************************
|
||
|
||
|
||
PSUBSCRIBE pattern [pattern ...] # listen for messages published to channels matching the given patterns
|
||
PUBSUB subcommand [argument [argument ...]] # inspect the state of the Pub/Sub subsystem
|
||
PUBLISH channel message # post a message to a channel
|
||
PUNSUBSCRIBE [pattern [pattern ...]] # stop listening for messages posted to channels matching the given patterns
|
||
SUBSCRIBE channel [channel ...] # listen for messages published to the given channels
|
||
UNSUBSCRIBE [channel [channel ...]] # stop listening for messages posted to the given channels
|
||
|
||
|
||
# *****************************************************************************
|
||
# OTHER COMMANDS
|
||
# *****************************************************************************
|
||
|
||
|
||
KEYS pattern # find all keys matching the given pattern
|