Question

当我尝试加载此cloudformation模板以创建dynamo db表时，我收到以下错误

属性AttributeDefinitions与表的KeySchema和辅助索引

不一致

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Parameters": {
    "TableName": {
      "Description": "Table name to use",
      "Type": "String",
      "Default": "test-user-unique-ids"
    },
    "ReadCapacityUnits": {
      "Description": "Provisioned read throughput",
      "Type": "Number",
      "Default": "100",
      "MinValue": "1",
      "MaxValue": "10000",
      "ConstraintDescription": "must be between 1 and 10000"
    },
    "WriteCapacityUnits": {
      "Description": "Provisioned write throughput",
      "Type": "Number",
      "Default": "100",
      "MinValue": "1",
      "MaxValue": "10000",
      "ConstraintDescription": "must be between 1 and 10000"
    }
  },
  "Resources": {
    "testUserUniqueIds": {
      "Type": "AWS::DynamoDB::Table",
      "Properties": {
        "TableName": {
          "Ref": "TableName"
        },
        "AttributeDefinitions": [
          {
            "AttributeName": "unique_id",
            "AttributeType": "S"
          }
        ],
        "KeySchema": [
          {
            "AttributeName": "guid",
            "KeyType": "HASH"
          }
        ],
        "ProvisionedThroughput": {
          "ReadCapacityUnits": {
            "Ref": "ReadCapacityUnits"
          },
          "WriteCapacityUnits": {
            "Ref": "WriteCapacityUnits"
          }
        }
      }
    }
  }
}

Answer 1

属性名称定义为unique_id。但是，已为属性guid定义了哈希键。

在AttributeDefinitions上定义的属性名称应该在KeySchema上使用。它们应该是一致的。

在unique_id和guid上保留AttributeDefinitions或KeySchema。

修改

在创建Dynamodb表时，您只能包含关键属性，如分区键和排序键（如果可用）。 nosql数据库的整个概念是每个项目I.e.记录可以有不同的属性。创建表时，无需定义非键属性。 NoSQL是一种架构较少的数据库。

如果在创建表时指定任何非键属性，则会获得验证异常。

dynamo db cloudformation模板错误

1 个答案: