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pythonを利用したDynamoDBからのデータ取得(取得件数の制限)

Last updated at Posted at 2022-02-18

はじめに

dynamoDBから取得するレコード数の最大数を指定したかったので、調査した。

レコード数制限のかけ方

queryなどの引数にLimitを追加するだけでOK。

import boto3
from boto3.dynamodb.conditions import Key

dynamodb = boto3.resource('dynamodb')
table = dynamodb.Table('TABLE_NAME')

# ここの引数にLimitを入れる
response = table.query(
        KeyConditionExpression = Key('pk').eq('XXX'),
    Limit = 3
)
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