increase number in dynamodb field key value

 

Get Access permission

.

import boto3

##########################################################

ACCESS_KEY = 'xxxx'

SECRET_KEY = 'xxx'

dynamo_client = boto3.client('dynamodb',

aws_access_key_id = ACCESS_KEY,

aws_secret_access_key = SECRET_KEY

)

.

sample code

.

#update when db

def update_when_db(who, when):

dynamo_client.update_item(

TableName='president_when', #table name

Key={'when': {'S': when}}, #primary key filed name, #key value, if key file not exist, it will create

UpdateExpression="ADD #counter :increment",

ExpressionAttributeNames={'#counter': who}, #key filed name that you want to increase

ExpressionAttributeValues={':increment': {'N': '1'}} #increase 1

)

.

Thank you.

🙇🏻‍♂️

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