Amazon AWS DynamoDB Desktop Client - Does one exist?
2012年4月18日 · Amazon provides a local client for DynamoDb. It's a java jar and it runs on Linux and Windows. It starts a server that binds to port 8000 at localhost (or you can specify another port when you start the server).
How to scan between date range using Lambda and DynamoDB?
2016年11月3日 · Firstly, the scan operation is correct. The dynamodb.scan should be executed in a loop until LastEvaluatedKey is not available. Please refer this blog. The lambda is not returning the result because it would have not found the data in the first scan. If you can extend the scan until LastEvaluatedKey is not available, the lambda is likely to ...
How to do basic aggregation with DynamoDB? - Stack Overflow
2017年5月24日 · Use DynamoDB connector for Hive and directly query DynamoDB. Again you can write arbitrary SQL queries, but in this case it will access data in DynamoDB directly. The downside is that it will consume read capacity on every query you do. Maintain aggregated data in a separate table using DynamoDB streams. For example you can have a table UserId ...
Writing dynamoDB "OR" condition query? - Stack Overflow
2014年6月18日 · I want to query the dynamodb table with boolean or condition like SQL e.g. Get me all the items where attribute1 = "no" or attribute2="no" I tried with scanRequest.withScanFilter but all the condi...
what will happen if we insert into dynamo DB with a duplicate …
2012年9月17日 · I am trying to insert into dynamo DB. When I call the putItem function what will happen if the hash key is already present in the DB?
DynamoDB: When does 1MB limit for queries apply
2019年6月17日 · In the docs for DynamoDB it says: In a Query operation, DynamoDB retrieves the items in sorted order, and then processes the items using KeyConditionExpression and any FilterExpression that might be present. And: A single Query operation can retrieve a maximum of 1 MB of data. This limit applies before any FilterExpression is applied to the ...
How can I Use begins_with method on primary key in DynamoDB?
2016年9月20日 · Scan is a flexible but expensive and inefficient way of conducting dynamodb queries. Anyways, there is a tool named, AWS NoSQL Workbench . It is little bit like MySQL Workbench.
amazon web services - Unmarshall DynamoDB JSON - Stack …
2017年6月14日 · AWS.DynamoDB.Converter.output is the part of the DocumentClient that translates DynamoDB AttributeValue objects to JSON-style objects. I assumed the M was part of the data you got in the stream event.
DynamoDB: Query all data and sorted by date descending
2017年3月9日 · For a list of reserved words, see Reserved Words in the Amazon DynamoDB Developer Guide. For more information on ExpressionAttributeNames and ExpressionAttributeValues, see Using Placeholders for Attribute Names and Values in the Amazon DynamoDB Developer Guide. Type: String. Required: No. Your Scenario Can be …
How to define "Map" AttributeType in dynamo db?
2018年2月7日 · When you create a dynamodb table, or add an index to it, you can only define the attributes for the indexes. In other words, you can only define the attributes used for a partition key or sort key. like you are doing in your example. But the only attribute types that are valid for keys are S (string), N (number), and B (binary).