If you have a one-to-many relationship, then using a pivot table may not be the best solution. Instead, you could consider using a separate table to store the repeated values and then reference that table in your log table.
For example, let's say you have a log table with a column called "status" that has many repeated values. You could create a separate table called "statuses" with two columns: "id" and "name". Then, in your log table, you would replace the "status" column with a foreign key to the "statuses" table.
Here's an example migration to create the "statuses" table:
Schema::create('statuses', function (Blueprint $table) {
$table->id();
$table->string('name');
$table->timestamps();
});
And here's an example migration to add a foreign key to the "logs" table:
Schema::table('logs', function (Blueprint $table) {
$table->unsignedBigInteger('status_id')->nullable();
$table->foreign('status_id')->references('id')->on('statuses');
$table->dropColumn('status');
});
With this setup, you can now insert a new status into the "statuses" table and reference it in your log table:
$status = Status::create(['name' => 'Completed']);
$log = new Log;
$log->status_id = $status->id;
$log->save();
This approach can help reduce sparsity in your log table and make it easier to manage repeated values.