在DynamoDB中,有两种类型的索引:全局二级索引(Global Secondary Index,GSI)和局部二级索引(Local Secondary Index,LSI)。 全局二级索引(GSI): 概念:GSI是在表创建时就定义的一种索引,可以根据表中的任意属性进行查询。 分类:GSI可以分为哈希索引和范围索引两种类型。 优势:GSI可以提供更灵活的查询方式,使得在不同...
IndexName O nome do índice secundário local. O nome deve ser único entre todos os outros índices nessa tabela. Obrigatório: Sim Type: string Mínimo:3 Maximum:255 Requisitos da atualização: não há suporte para atualizações. ...
Secondary Indexes Per Table − Five local and five global are permitted. Projected Secondary Index Attributes Per Table − DynamoDB allows 20 attributes. Partition Key Length and Values − Their minimum length sits at 1 byte, and maximum at 2048 bytes, however, DynamoDB places no limit on...
IndexName The name of the global secondary index. Type: String Length Constraints: Minimum length of 3. Maximum length of 255. Pattern: [a-zA-Z0-9_.-]+ Required: No IndexSizeBytes The total size of the specified index, in bytes. DynamoDB updates this value approximately every six ...
GlobalSecondaryIndexes:[{ IndexName:'publisher_index',KeySchema:[{ AttributeName:'publisherId',KeyType:'HASH',} ] } ] }; 我正在使用这个查询这个表: { TableName: 'Configs', IndexName: 'publisher_index', KeyConditionExpression: 'publisherId = :pub_id', ...
dynamodb.createTable({TableName:'Users',AttributeDefinitions: [{AttributeName:'userId',AttributeType:'S'}],KeySchema: [{AttributeName:'userId',KeyType:'HASH'}],ProvisionedThroughput: {'ReadCapacityUnits':5,'WriteCapacityUnits':5},GlobalSecondaryIndexes: [ {IndexName:'longitudeUserIndex',KeySch...
AddGlobalSecondaryIndex AddLocalSecondaryIndex WithReference ElasticsearchBuilderExtensions ExecutableResourceBuilderExtensions ExecutableResourceExtensions GarnetBuilderExtensions IDistributedApplicationBuilder IDistributedApplicationBuilderExtensions IDistributedApplicationResourceBuilderExtensions ...
Apr 2013 — New API version, local secondary indexes Dec 2013 — Global secondary indexes Apr 2014 — Query filter, improved conditional expressions Oct 2014 — Larger item sizes, flexible scaling, JSON document model Apr 2015 — New comparison functions for conditional writes, improved query expre...
aws dynamodbupdate-table\--table-name date-time-test \--attribute-definitions AttributeName=Location,AttributeType=S AttributeName=DT,AttributeType=S \--global-secondary-index-updates '[{"Create":{"IndexName":"loc-dt-gsi","KeySchema":[{"AttributeName":"Location","KeyType":"HASH"},{"At...
The enhanced query flexibility that global and local secondary indexes provide means DynamoDB can support an even broader range of workloads. When designing a new application that will operate in the AWS cloud, first take a look at DynamoDB when selecting a database. If you don’t need the ...