Amazon dynamodb AppSync DynamoDb,提供的键元素与架构不匹配
我正在尝试在AppSync中创建自定义查询类型,以查询默认id以外的字段 注意:我没有配置排序键或全局辅助索引 数据源已连接到DynamoDB GameStats表。该记录存在于表中,但当我查询时,我得到“提供的键元素与模式不匹配” 查询:Amazon dynamodb AppSync DynamoDb,提供的键元素与架构不匹配,amazon-dynamodb,graphql,aws-appsync,Amazon Dynamodb,Graphql,Aws Appsync,我正在尝试在AppSync中创建自定义查询类型,以查询默认id以外的字段 注意:我没有配置排序键或全局辅助索引 数据源已连接到DynamoDB GameStats表。该记录存在于表中,但当我查询时,我得到“提供的键元素与模式不匹配” 查询: getGameByMeetupId(meetupId:String):GameStats 请求映射模板: { "version": "2017-02-28", "operation": "GetItem",
getGameByMeetupId(meetupId:String):GameStats
请求映射模板:
{
"version": "2017-02-28",
"operation": "GetItem",
"key": {
"meetupId": $util.dynamodb.toDynamoDBJson($ctx.args.meetupId)
}
}
响应映射模板:
$utils.toJson($ctx.result)
错误消息:
{
"data": {
"getGameByMeetupId": null
},
"errors": [
{
"path": [
"getGameByMeetupId"
],
"data": null,
"errorType": "DynamoDB:AmazonDynamoDBException",
"errorInfo": null,
"locations": [
{
"line": 2,
"column": 3,
"sourceName": null
}
],
"message": "The provided key element does not match the schema (Service: AmazonDynamoDBv2; Status Code: 400; Error Code: ValidationException; Request ID: MC71RFG6U85PBICS2OA714TLB7VV4KQNSO5AEMVJF66Q9ASUAAJG)"
}
]
}
要使用DynamoDB
查询
,必须为分区键指定一个值
您提到您的表具有“default id”属性。那是你的分区密钥吗?如果是,您有两个选择:
1) 将Query
更改为Scan
,并在meetupId
属性上指定一个过滤器
2) 添加一个GSI,将
meetupId
设置为分区键,然后更新Query
您已经必须以GSI为目标,而不是基表感谢@stu的澄清。现在完全有意义了。我如何瞄准GSI而不是基表?
{
"data": {
"getGameByMeetupId": null
},
"errors": [
{
"path": [
"getGameByMeetupId"
],
"data": null,
"errorType": "DynamoDB:AmazonDynamoDBException",
"errorInfo": null,
"locations": [
{
"line": 2,
"column": 3,
"sourceName": null
}
],
"message": "The provided key element does not match the schema (Service: AmazonDynamoDBv2; Status Code: 400; Error Code: ValidationException; Request ID: MC71RFG6U85PBICS2OA714TLB7VV4KQNSO5AEMVJF66Q9ASUAAJG)"
}
]
}