HINCRBYFLOAT key field increment

Syntax

HINCRBYFLOAT key field increment

    Increment the value of the field with “increment” value. If key doesn't exist, then key is created. If the field doesn't exist the value is set to 0 before the operation is performed.

Returns

The value at field after the increment operation.

127.0.0.1:6379> hgetall marks 
1) "Krishna" 
2) "100" 
3) "Arjun" 
4) "95" 
5) "Gopi" 
6) "87" 
127.0.0.1:6379> hincrbyfloat marks "Arjun" 4.5 
"99.5" 
127.0.0.1:6379> hgetall marks 
1) "Krishna" 
2) "100" 
3) "Arjun" 
4) "99.5" 
5) "Gopi" 
6) "87" 
127.0.0.1:6379> 

 

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