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HDEL

Removes one or more fields from a hash stored at key. If the specified field does not exist, it is ignored. If key holds a non-hash value, an error is returned.

Syntax​

HDEL key field [field ...]

Details​

  • Available since: 2.0.0
  • Time complexity: O(N) where N is the number of fields to be removed.
  • ACL categories: @write, @hash, @fast

Example​

Assume we have a hash called myhash with fields "field1", "field2", and "field3":

HSET myhash field1 "value1"
HSET myhash field2 "value2"
HSET myhash field3 "value3"

Now, let's remove fields "field1" and "field2" from myhash:

HDEL myhash field1 field2

RESP2/RESP3 Reply​

Integer reply: the number of fields that were removed from the hash, not including specified but non-existing fields.