问题标签 [unqlite]

我想将字典存储在 UnQLite 数据库中，以便以后使用。但是 UnQLite 将其存储为字符串：

这打印

如何获取 City 的值“Phoenix”？

type(data.fetch(0))打印类 'dict'

我正在查看 UnQlite 文档，但没有找到太多。请帮忙。

这行得通。

现在，我如何获取每条记录并从中提取必要的字段？

我正在寻找类似的东西

集合上没有任何 size() 方法。任何帮助表示赞赏。

I have started exploring unqlite database, but the issue is that I cannot find any solution for primary and foreign constrain. For primary key every record by default it creates _id key, but still I am not able to find any thing foreign key concept. If anyone could help me with code.

我需要使用自定义逻辑执行过滤器。我定义了一个函数如下：

并从过滤器 lambda 调用它，如下所示：

这行不通。我错过了什么？

We are to search collection and find businesses in the county from countyToSearch. Save the name, full address, county and state to saveLocation1

How it is currently is not correct. I dont really understand the filter()

edit: I want the result to be the rows in database, where the countyname is equal to countyToSearch.