HDEL

Syntax
HDEL key field [field ...]
Available since:
2.0.0
Time complexity:
O(N) where N is the number of fields to be removed.
ACL categories:
@write, @hash, @fast,

Removes the specified fields from the hash stored at key. Specified fields that do not exist within this hash are ignored. If key does not exist, it is treated as an empty hash and this command returns 0.

Examples

redis> HSET myhash field1 "foo"
Failed to fetch
redis> HDEL myhash field1
Failed to fetch
redis> HDEL myhash field2
Failed to fetch
redis>

RESP2 Reply

Integer reply: the number of fields that were removed from the hash, excluding any specified but non-existing fields.

RESP3 Reply

Integer reply: The number of fields that were removed from the hash, excluding any specified but non-existing fields.

History

  • Starting with Redis version 2.4.0: Accepts multiple field arguments.
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