我的Lambda脚本是:
var AWS = require("aws-sdk");
var DOC = require("dynamodb-doc");
AWS.config.update({region: "us-west-1"});
var docClient = new DOC.DynamoDB();
var dynamodb = new AWS.DynamoDB();
exports.handler = function(event, context) {
var params = {};
params.TableName = "Emails";
params.ConditionalOperator = "AND";
params.ScanFilter = {
Machinekey:{
ComparisonOperator:"EQ",
AttributeValueList: [{S: "okok"}]
}
};
params.Select= "COUNT";
//params.IndexName = "Machinekey-index";
//params.KeyConditions = docClient.Condition("EmailId", "NOT_NULL");
//params.QueryFilter = docClient.Condition("Machinekey", "EQ","ARUZE-010415_15112442NLHIYTLY-A23V3.9");
dynamodb.scan(params, function(err, data) {
if (err) {
console.log(err, err.stack);
} else {
//console.log(data);
context.succeed(data.Count);
}
});
};
执行日志的结果:
[ValidationException:ConditionalOperator只能在Filter或Expected有两个或更多元素时使用]消息:'ConditionalOperator只能在Filter或Expected有两个或更多元素时使用',代码:'ValidationException',time:Wed Jun 10 2015 03 :12:34 GMT 0000(UTC),statusCode:400,retryable:false,
请帮我!
1 回答
您指定了
ConditionalOperator = "AND";
,但是当前查询只包含一个条件(Machinekey == "okok")时,您不需要这样做 . 如果您有两个或更多条件,则只需要ConditionalOperator
.尝试评论
ConditionalOperator
并再次尝试: