如何使用where从多维数组中检索值

Question

我正在传递一个变量

numbers = ["one", "two", ["three", "four"], "five"]

到我的模型中的查询：Modelname.where(number: numbers )但我只获得了数字attr数值等于：“one”，“two”，“five”的检索对象。

如何获得“三”和“四”对象？

Answer 1

使用flatten

numbers = ["one","two",["three","four"],"five"]

some_variable = numbers.flatten
=> ["one", "two", "three", "four", "five"]

Modelname.where(number: some_variable)

Answer 2

您可以使用Modelname.where(number: numbers.flatten )