redis HSET command
Translation results：
set
英[set] 美[sɛt]
vt. Set; place, arrange; put in a certain situation; place tableware
vi. Setting off; setting off; condensation
n.Gathering; a set; a set; a TV set
adj. Fixed; located in...; stubborn; arranged The
third person singular: sets plural: sets present participle: setting past tense: set past participle: set
redis HSET commandsyntax
Function: Set the value of the field field in the hash table key to value.
Syntax: HSET key field value
Description: If key does not exist, a new hash table is created and the HSET operation is performed. If the field field already exists in the hash table, the old value will be overwritten.
Available versions: >= 2.0.0
Time complexity: O(1)
Return: If field is a new field in the hash table and the value is set successfully, return 1. If the field field in the hash table already exists and the old value has been overwritten by the new value, 0 is returned.
redis HSET commandexample
redis> HSET website google "www.g.cn" # 设置一个新域 (integer) 1 redis> HSET website google "www.google.com" # 覆盖一个旧域 (integer) 0