Redis Main commands

Source: Internet
Author: User

Commands related to connection operations

    • Quit: Close connection (connection)

    • Auth: simple Password Authentication


Persistence

    • save: Save data synchronously to disk

    • bgsave: Asynchronously saves data to disk

    • lastsave: Returns the Unix timestamp

    • shundown: Save data synchronously to disk, and then close the service


remote Service Control

    • info: Provides server information and statistics

    • monitor: real-time dump of received requests

    • slaveof: Change replication policy settings

    • config: Configure Redis Server at run time


Commands for the value operation

  • Exists (key): Verify that a key exists

  • Del (key): Delete a key

  • Type (key): Return value types

  • Keys (pattern): Returns all keys that satisfy the given pattern

  • Randomkey: Randomly returns one of the key spaces

  • Keyrename (Oldname, newname): Rename key

  • Dbsize: Returns the number of keys in the current database

  • Expire: Set the active time of a key (s)

  • TTL: Get the active time of a key

  • Select (Index): Query by index

  • Move (Key, Dbindex): Moves the key in the current database to the Dbindex database

  • FLUSHDB: Delete all keys in the currently selected database

  • Flushall: Delete all keys in all databases


Commands for string manipulation

  • Set (key, value): Assigns a value to a string named key in the database

  • Get (Key): Returns the value of a string named key in the database

  • Getset (key, value): Assigns the last value to a string named key

  • Mget (Key1, Key2,..., key N): Returns the value of multiple strings in the library

  • SETNX (key, Value): Add string, name key, value

  • Setex (Key, Time, value): Adds a string to the library, sets the expiration times

  • Mset (key n, value N): Sets the value of multiple strings in bulk

  • Msetnx (key n, value N): If all strings with the name key I do not exist

  • INCR (Key): 1 operation with a string named key

  • Incrby (Key, Integer): String with Name Key added integer

  • DECR (key): string minus 1 operation with name key

  • Decrby (Key, Integer): string with the name key reduced by integer

  • Append (key, value): String value with the name key appended value

  • SUBSTR (key, start, end): Returns a substring of the value of string with the name key


Commands for the list operation

  • Rpush (key, value): Adds an element of value to the list at the end of the name key

  • Lpush (key, value): Adds an element of value to the list header with the name key

  • Llen (Key): Returns the length of the list named key

  • Lrange (key, start, end): Returns the element between start and end in list named key

  • LTrim (key, start, end): Intercepts the list named key

  • Lindex (key, index): Returns the element of the index position in the list named key

  • LSet (key, index, value): Assigns a value to the element of the index position in the list named key

  • Lrem (Key, Count, value): Deletes the value in the list of Count key elements

  • Lpop (Key): Returns and removes the first element in a list named key

  • Rpop (Key): Returns and Deletes the tail element in the list named key

  • Blpop (Key1, Key2,... key N, timeout): The block version of the Lpop command.

  • Brpop (Key1, Key2,... key N, timeout): The block version of Rpop.

  • Rpoplpush (Srckey, Dstkey): Returns and removes the tail element of the list named Srckey, and adds the element to the head of the list named Dstkey


Commands for set operations

  • Sadd (Key, member): Adds an element to a set named Key member

  • Srem (Key, member): Removes the element in the set named Key member

  • Spop (key): Randomly returns and deletes an element in a set with the name key

  • Smove (Srckey, Dstkey, member): Move to the collection element

  • SCard (Key): Returns the cardinality of a set named key

  • Sismember (Key, member): Member is a set element with the name key

  • Sinter (Key1, Key2,... key N): Intersection

  • Sinterstore (Dstkey, (keys)): Seek the intersection and save the intersection to the collection of Dstkey

  • Sunion (Key1, (keys)): Seek and set

  • Sunionstore (Dstkey, (keys)): Sets and saves the assembly to the Dstkey collection

  • Sdiff (Key1, (keys)): Differential set

  • Sdiffstore (Dstkey, (keys)): Differential set and save the difference set to the collection of Dstkey

  • Smembers (Key): Returns all elements of a set with the name key

  • Srandmember (key): Randomly returns an element of a set with the name key


Commands for hash operations

  • Hset (Key, field, value): Adds an element to a hash named key field

  • Hget (Key, field): Returns the value of field corresponding to the hash named key

  • Hmget (Key, fields): Returns the value of field I in the hash named key

  • Hmset (Key, fields): Adds an element to a hash named key field

  • Hincrby (Key, field, integer): Adds an integer to the value of field in the hash named key

  • Hexists (Key, field): A field with the key field in the hash named key

  • Hdel (Key, field): Delete The field with the key field in the hash named key

  • Hlen (Key): Returns the number of elements in a hash with the name key

  • Hkeys (Key): Returns all keys in a hash with the name key

  • Hvals (Key): Returns the value corresponding to all keys in a hash with the name key

  • Hgetall (Key): Returns all keys (field) and their corresponding value in a hash with the name key

Redis Main commands

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