aws dynamodb delete-item \ --table-name ProductCatalog \ --key '{"Id":{"N": "456"}}' \ --condition-expression "begins_with(Pictures.FrontView, :v_sub)" \ --expression-attribute-values file://expression-attribute-values.json
"Amazon RDS Thread 1") .withHashAndRangeKeysToDelete("ForumName","Some partition key value", "Amazon S3", "Some sort key value"); BatchWriteItemOutcome outcome = dynamoDB.batchWriteItem(forumTableWriteItems, threadTableWriteItems); // Code for checking unprocessed items is omitted in this ...
--key-schema AttributeName=host,KeyType=HASH AttributeName=port,KeyType=RANGE \ --global-secondary-indexes IndexName=channel-index,KeySchema=["{AttributeName=channel,KeyType=HASH}"],Projection="{ProjectionType=ALL}",ProvisionedThroughput="{ReadCapacityUnits=1,WriteCapacityUnits=1}" \ --provisione...
SK 中可以使用==, <, >=, <=, begins with, between, contains, in等函数来进行较为丰富的查询操作 PK 必须使用准备的值进行查询 3.1 基本结构 表(Table) 文档(Document) 属性(Attribute) 分区键(Partition Key/Hash Key, 记为PK,必需,数据类型必须是基本类型) 排序键(Sort Key/Range Key, 记为SK,可...
the primary key of that item must be provided. Thedelete()method allows the deletion of an item from a table. To perform this operation, an object instance of the mapped class must be passed in. If versioning is enabled, the item versions on both the client and server sides must match....
User::find('foo@bar.com'); // Partition key. sortKeyDefault will be used for Sort key. You also can modify the behavior of the find() method to fit your needs. For example: public static function find($userId) { return parent::find([ 'PK' => str_starts_with($userId, 'USER#...
In this tutorial, you will learn how to create a simple table, add data, scan and query the data, delete data, and delete the table by using the DynamoDB console.
c. The partition key is used to spread data across partitions for scalability. It’s important to choose an attribute with a wide range of values and that is likely to have evenly distributed access patterns. TypeArtistin thePartition keybox. ...
AND c.year=2018 AND c.title='The Big New Movie'"); while (result.HasMoreResults) { var resultModel = await result.ReadNextAsync(); foreach (var movie in resultModel.ToList<MovieModel>()) { await moviesContainer.DeleteItemAsync<MovieModel>(movie.Id, new PartitionKey(movie.Year)); }...
where c.info.rating>7 AND c.year=2018 AND c.title='The Big New Movie'");while(result.HasMoreResults) {varresultModel =awaitresult.ReadNextAsync();foreach(varmovieinresultModel.ToList<MovieModel>()) {awaitmoviesContainer.DeleteItemAsync<MovieModel>(movie.Id,newPartitionKey(movie.Year)); }...