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我試圖做一個解析查詢,並通過JavaScript API在查詢上設置日期約束。在解析查詢上設置日期約束的問題
這是我正在查詢的Result
表/對象(上parse.com):
Column Data type
objectId String createdDate Date updatedAt Date obtainedPonts Number relatedDriver Relation relatedTest Relation ACL ACL resultCeasesToBeValid Date didPassTheTest Boolean
resultCeasesToBeValid
從一些示例數據:
這是我的目標:我要把曲現在給我一套Result
< resultCeasesToBeValid
。
我的問題是,我總是收到一個Result
數組與.length = 0當我試圖把日期約束的查詢。
function IsApprovedAndHasValidResults(currentDriverObjectId) {
var Driver = Parse.Object.extend('Driver');
var currentDriverObject = new Driver();
currentDriverObject.id = currentDriverObjectId;
var queryResult = new Parse.Query(Result);
//set the constraints
queryResult.equalTo('relatedDriver', currentDriverObject); //this constraint works as expected
/****************************************************************************************************
*var today = new Date(); // "today" is as time of writing 3 oct 2014 *
* *
* //will give me a parseResults[] of .length=0: *
*queryResult.lessThan('resultCeasesToBeValid', today); *
* *
* //will give me a parseResults[] of .length=0: *
*queryResult.lessThan('resultCeasesToBeValid', { "__type": "Date", "iso": today.toISOString() }); *
* *
*****************************************************************************************************/
queryResult.find({
success: function (parseResults) {
// results is an array of Parse.Object.
/*when the code gets here parseResults array.lenght equals 0*/
},
error: function (error) {
// error is an instance of Parse.Error.
/*will never be here*/
}
});
}
其他開發商似乎有同樣的問題,user Abhishek suspects a bug。根據Héctor Ramos (Parse)很久以前:「在處理JavaScript中的日期時,您應該使用Date對象,而不是字符串。」顯然這是行不通的!
我的代碼有問題嗎?
太好了!感謝提示,我會嘗試時間戳! – 2014-10-03 14:04:11
就是這樣!我相信日期限制錯誤依然存在(在報告發布兩年多後)! 感謝您的好解決方法!我改爲[時間戳]。 – 2014-10-03 20:58:13