Redis Hash: HINCRBYFLOAT
HINCRBYFLOAT key field increment
Redis HINCRBYFLOAT command is used to increment the specified field of a hash stored at key, and representing a floating point number, by the specified increment. If the field does not exist, it is set to 0 before performing the operation. If the field contains a value of wrong type or specified increment is not parsable as floating point number, then an error has occurred.
Syntax:
HINCRBYFLOAT KEY_NAME FIELD_NAME INCR_BY_NUMBER
Available since
2.6.0.
Return Value
String reply, the value of field after the increment.
Return Value Type
Integer
Example: Redis HINCRBYFLOAT
127.0.0.1:6379> HSET langhash lang1 10.25 (integer) 1 127.0.0.1:6379> HINCRBYFLOAT langhash lang1 0.2 "10.45" 127.0.0.1:6379> HSET langhash lang1 6.0e4 (integer) 1 127.0.0.1:6379> HINCRBYFLOAT langhash lang1 3.0e3 "63000"
Example: Redis HINCRBYFLOAT another example
127.0.0.1:6379> HINCRBYFLOAT user height 85.5 "85.5" 127.0.0.1:6379> HINCRBYFLOAT user height 14.2 "99.7" 127.0.0.1:6379> HINCRBYFLOAT user height -12.5 "87.2" 127.0.0.1:6379> HINCRBYFLOAT user height 85.5 "172.7" 127.0.0.1:6379> HINCRBYFLOAT user height -85.7 "87"
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