How to group by with union in laravel?

@tressie.damore 

To group by and use union in Laravel, you can achieve this by chaining the groupBy() and union() methods.

Here is an example of how to group by and use union in Laravel:

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$data1 = DB::table('table1')
            ->select('column1', 'column2')
            ->groupBy('column1')
            ->get();

$data2 = DB::table('table2)
            ->select('column1', 'column2')
            ->groupBy('column1')
            ->union($data1)
            ->get();

In this example, we first query a table and group the results by a specific column using the groupBy() method. Then, we query a second table, group the results by the same column, and use the union() method to combine the results from the two queries.

You can continue chaining groupBy() and union() methods as needed to achieve the desired grouping and union operations in your Laravel application.