英文:
Laravel Eloquent how to use && or AND inside single WHERE clause
问题
我正在尝试在Laravel中使用Eloquent模型进行查询。
我的原始查询不起作用
Query1::where('Course_ID', '=', $request->FLA)
->where('Date', '=', Carbon::today())
我想要将查询合并到单个WHERE条件中，类似于：
Query1::where('Course_ID', '=', $request->FLA && 'Date', '=', Carbon::today())
这种操作是否可行？
英文:
I am trying to make a query using Eloquent Model in Laravel.
My original query does not work
Query1::where('Course_ID', '=', $request->FLA)
->where('Date', '=', Carbon::today())
I would like the query to include both inside of a single WHERE, akin to:
Query1::where('Course_ID', '=', $request->FLA && 'Date', '=', Carbon::today())
Is this possible?
答案1
得分: 1
你可以使用：
Query1::where([
'Course_ID' => $request->FLA,
'Date' => Carbon::today()
]);
它会创建以下的SQL查询：
SELECT * FROM tablename WHERE Course_ID = ? AND Date = ?
但是你的方法，使用两个 'where' 会产生相同的输出。
英文:
You can use:
Query1::where([
'Course_ID' => $request->FLA,
'Date' => Carbon::today()
]);
It will create the following SQL query:
SELECT * FROM tablename WHERE Course_ID = ? AND Date = ?
But your approach, using two 'where's will have the same output
答案2
得分: 0
你所编写的查询方式，使用 ->where()->where() 将生成以下查询：
SELECT * FROM query_1 WHERE Course_ID = ? AND Date = ?
如果你希望你的 WHERE 子句被"范围限定"，你可以使用以下语法：
Query1::where(function ($subQuery) use ($request) {
return $subQuery->where('Course_ID', '=', $request->FLA)
->where('Date', '=', Carbon::today());
})->get();
这将生成以下查询：
SELECT * FROM query_1 WHERE (Course_ID = ? AND Date = ?)
请注意，Course_ID = ? AND Date = ? 周围有 ()。
这在你想要添加需要分组的条件时非常有用，例如，如果你要添加另一个可能与现有条件冲突的 WHERE 子句。
英文:
The way you have your query written, using ->where()->where() will generate the following query:
SELECT * FROM query_1 WHERE Course_ID = ? AND Date = ?
If you want your WHERE clause to be "scoped", you can use this syntax:
Query1::where(function ($subQuery) use ($request) {
return $subQuery->where('Course_ID', '=', $request->FLA)
->where('Date', '=', Carbon::today());
})->get();
This will generate the query:
SELECT * FROM query_1 WHERE (Course_ID = ? AND Date = ?)
Notice the () around Course_ID = ? AND Date = ?
This is useful when you want to add conditions that need to be grouped, i.e. if you were adding another WHERE that could conflict with the existing one(s).
答案3
得分: 0
如果您的"Date"列是日期类型，请尝试以下方式：
Query1::where('Course_ID', '=', $request->FLA)->where('Date', '=', Carbon::now()->toDateTimeString());
英文:
If your Date column is type of date, please try like that
Query1::where('Course_ID', '=', $request->FLA)->where('Date', '=', Carbon::now()->toDateTimeString());
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