CODEWITHSUNDEEP
redishashsetttl
user7898461
user7898461

Reputation:

How to put a TTL/expiration on an HSET

An HSET is like so:

HSET myhash field1 "Hello"

is there a way to put an expiration/TTL on the "field1" key. It's trivial to put an expiration on myhash tmk, but I don't know how to put a TTL on key of a hash.

https://redis.io/commands/expire

Otherwise, I am stuck using:

SET field1 "Hello"
EXPIRE field1 10

and putting all my keys at the top-level instead of a hash :(

Upvotes: 5

Views: 9292

Answers (2)

mrpandey
mrpandey

Reputation: 1039

Since Redis Community Edition 7.4, you can expire individual fields in a hash.

This command sets TTL of 3600 seconds on fields field1, field2, and field3 of hash hashkey.

HEXPIRE hashkey 3600 FIELDS 3 field1 field2 field3

This command sets expiry at unixtime 1735373125 (in seconds) on fields field1 and field2 of hash hashkey.

HEXPIREAT hashkey 1735373125 FIELDS 2 field1 field2

See this doc for more details.

Upvotes: 0

Niloct
Niloct

Reputation: 10015

See https://github.com/antirez/redis/issues/1042

Currently it's not possible.

Upvotes: 1

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