import { S3Client, GetObjectCommand } from '@aws-sdk/client-s3'

import { getSignedUrl } from '@aws-sdk/s3-request-presigner'

​

const s3Client = new S3Client()

const command = new GetObjectCommand({

  Bucket: "some-bucket",

  Key: "some-object"

})

​

const preSignedUrl = await getSignedUrl(s3Client, command, {

  expiresIn: 3600

})

​

console.log(preSignedUrl)

select id_lot, id_programme,  

       sum(prix) / sum(sum(prix)) over (partition by id_programme) as ratio

from t

group by id_lot, id_programme;