Can update the HASH key to another attribute for a pre-existing Dynamodb global secondary index?

Question

Having an existing GSI with key (HASH: user, RANGE: date), can I update the key to (HASH: group, RANGE: date) without creating a new index?

The group attribute is an existed attribute i table and also projected into the GSI already.

mtstrong17 · Accepted Answer · 2019-04-12 19:00:48Z

1

No, DynamoDB does not support changing the HASH and RANGE values for tables or indexes, if you need them changed you will have to create a new GSI with the desired values and remove the old one.

Extra: If you hav't already i would highly suggest watching this video about DynamoDB design patterns it might provide useful insight that may help up down the line.

answered Apr 12, 2019 at 19:00

mtstrong17

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