无法在"IDBKeyRange"上执行“仅":参数不是有效的密钥 [英] Failed to execute 'only' on 'IDBKeyRange': The parameter is not a valid key

问题描述

我正在使用jsstore的where类从indexeddb获取数据，但是得到了响应. 无法对'IDBKeyRange'执行'only':参数不是有效的密钥."控制台错误.为什么会出现此错误.有人可以帮助我.

I am fetching data from indexeddb using where class using jsstore.I got response.But getting "Failed to execute 'only' on 'IDBKeyRange': The parameter is not a valid key. " console error.Why I am getting this error.can anyone pls help me.

//Get DBSchema(table & columns)
  private getDbSchema = function () {
    const tblArticle = {
      Name: this._indexedDBLiveDBTableName,
      Columns: [
       {
          Name: 'ParentName',
          NotNull: true,
          DataType: 'string'
        },
        {
          Name: 'ChildName',
          NotNull: true,
          DataType: 'string'
        }
        ,
        {
          Name: 'UpdatedDate',
          NotNull: true,
          DataType: 'string'
        }
      ]
    };

    const Database = {
      Name: this._indexedDBLiveDBName,
      Tables: [tblArticle]
    };
    return Database as any;
  };

 //Fetch articles From IndexedDB
GetArticleFromIndexedDb(section) {
    this._connection.openDb(this._indexedDBLiveDBName);
    return this._connection.select({
      From: this._indexedDBLiveDBTableName,
      Where: {
        ChildName: section
      }
    });
 }

该部分的值将类似于印度"，泰米尔纳德邦"

value of section will be like "India","TamilNadu"

请找到所附的屏幕截图以获取错误

Kindly find the attached screenshot for error

此处

我正在使用 jsstore 1.3.0

我将jsstore版本更新为1.4.1，该版本给出了超出了最大调用堆栈大小"

I updated jsstore version to 1.4.1 which is giving "Maximum call stack size exceeded"

谢谢

推荐答案

这是由于提供的无效值所致. IndexedDB支持值列表-数字，日期，字符串，二进制数据，数组:它们是有效的键.

It is due to the invalid value supplied. IndexedDB support list of value - numbers, dates, strings, binary data, array : which are valid keys.

传递时通常会引发此错误-布尔值，空值或未定义的值.

This error is generally thrown when you are passing - boolean,null or undefined value.

查看w3c了解更多信息- https://w3c.github.io/IndexedDB /#key-construct

Check out w3c for more info - https://w3c.github.io/IndexedDB/#key-construct

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