How do I determine if a write succeeded with amazon DynamoDB?

How do I determine if a write succeeded with amazon DynamoDB?

If I do a putItem() which returns a result structure, how do I determine if the write succeeded or failed?

Solutions/Answers:

Solution 1:

AWS RESTful API is using HTTP status codes for identification of

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Incorrect value from dynamodb table description and scan count

Incorrect value from dynamodb table description and scan count

I’m having a problem with dynamodb. I’m attempting to verify the data contained within,
but scan seems to be only returning a subset of the data, here is the code I’m using with the python boto … Read the rest “Incorrect value from dynamodb table description and scan count”

Get the Max Date / Get the last added item in DynamoDB

Get the Max Date / Get the last added item in DynamoDB

Hi This is my table schema
Contacts table:
“KeySchema”: [{
“AttributeName”: “DateTimeRetrieved”,
“KeyType”: “HASH”
},{
“AttributeName”: “Id”,
“KeyType”: “RANGE”
}]

My primary key has DateTimeRetrieved as the primary key. I would like to … Read the rest “Get the Max Date / Get the last added item in DynamoDB”

Duplicate Primary Key with Composite Key, DynamoDB

Duplicate Primary Key with Composite Key, DynamoDB

Quick Question, I’m new to NoSQL databases so excuse my lack of understanding on the subject but I am wondering, how do I use a combination of Primary and Composite keys in DynamoDB. Take the Examples below. Can … Read the rest “Duplicate Primary Key with Composite Key, DynamoDB”

Are single-client writes strongly ordered in DynamoDB or Riak?

Are single-client writes strongly ordered in DynamoDB or Riak?

I have a client which performs the following two operations in order:

Creates a new item with key “ABC123”.
Updates item “newestKey” to contain the value “ABC123”.

Meanwhile a second client is running the following program:… Read the rest “Are single-client writes strongly ordered in DynamoDB or Riak?”

Starting AWS DynamoDB Local from Eclipse STS on OSX

Starting AWS DynamoDB Local from Eclipse STS on OSX

I’m trying to use DynamoDB Local from the AWS Explorer from Eclipse (STS 3.4.0) on OSX.
I’ve set region to “Local”, but I get an error message popping up saying:

An internal error occurred during: “Updating … Read the rest “Starting AWS DynamoDB Local from Eclipse STS on OSX”

Query dynamoDB with key condition ‘GE’ on a hash key

Query dynamoDB with key condition ‘GE’ on a hash key

I’m trying to run a query on a dynamoDB table with the key condition as such
KeyConditions: {
userID: {
ComparisonOperator: ‘GE’,
AttributeValueList: [{N: ‘0’}]
}
}

When I run this query with the ComparisonOperator … Read the rest “Query dynamoDB with key condition ‘GE’ on a hash key”