YQL 相当于 MySQL 的“INTERVAL”？

发布于 2024-10-18 02:01:38 字数 337 浏览 4 评论 0原文

我有一个在 PHP/MySQL 中运行的职位发布板，并考虑尝试在 YQL 和 Google Docs 中运行它。我有一行 MySQL 只获取过去 60 天内发布的职位发布：

$sql = "SELECT * FROM `job` WHERE Curdate( ) <= DATE_ADD( `postdate` , INTERVAL 60 DAY ) ORDER BY `postdate` DESC;";

是否有与此等效的 YQL？（Google 文档中表单提交的电子表格中时间戳列的格式为：

2/11/2011 10:23:37

原文

I have a job postings board that I'm running in PHP/MySQL and thinking of trying to run it in YQL and Google Docs instead. I have a line of MySQL that fetches job postings that have been posted in the last 60 days only:

$sql = "SELECT * FROM `job` WHERE Curdate( ) <= DATE_ADD( `postdate` , INTERVAL 60 DAY ) ORDER BY `postdate` DESC;";

Is there a YQL equivalent of this? (The format of the timestamp column in the spreadsheet of form submissions in Google Docs is:

2/11/2011 10:23:37

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乄_柒ぐ汐 2024-10-25 02:01:38

YQL 目前没有在查询中使用自定义函数的选项，因此您的 Curdate()、DATE_ADD() 等是不可能的。但是，您没有理由不能制作如下查询：

SELECT * FROM job WHERE postdate > $date ORDER BY postdate DESC;

其中 $date 是整数时间戳（如果您的 Google 文档中提供了该查询？）。或者，

SELECT * FROM job WHERE interval = 60;

后一个查询需要定制的数据表来解释查询参数并根据您的 Google 文档格式化查询。制作自己的表的一个优点是您可以使用 JavaScript（在块中）在 YQL 中执行服务器端处理（就像 PHP 中的处理一样）。

YQL doesn't currently have the option of custom functions within queries, so your Curdate(), DATE_ADD(), etc. are out of the question. However, there is no reason why you could not craft queries like:

SELECT * FROM job WHERE postdate > $date ORDER BY postdate DESC;

Where $date is an integer timestamp (if that is available in your Google doc?). Or,

SELECT * FROM job WHERE interval = 60;

This latter query would need a bespoke Data Table to interpret the query parameter(s) and format a query against your Google doc. An advantage of crafting your own table would be that you are able to use JavaScript (in an <execute> block) to perform server-side processing (like one would in PHP) in YQL.

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