search records of a user from last 30 days dynamodb

Question

my dynamodb structure is somehow for example my PK and SK is like

PK = USR#123ACT#234 and SK = AYT#<epoch_time>

and my global index are like

GSi3pk = ACT#234 and GSI3SK = <epoch_time>

now case is using global index I want to get data of last 30 days with account_id=234

Answer 1

To query for a specific primary key (of account number) and a timestamp in the last 30 days, you can query with some variant of this:

{
    "TableName": "orders",
    "IndexName": "gsi3",
    "KeyConditionExpression": "gsi3pk = :pk AND tstamp BETWEEN :start AND :end",
    "ExpressionAttributeValues": {
        ":pk": {
            "S": "ACT#234"
        },
        ":start": {
            "N": "1651962700"
        },
        ":end": {
            "N": "1654641000"
        }
    }
}