database/migrations/99999_pivots.php


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<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

//the pivot tables for many-to-many 
return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('link_tag', function (Blueprint $table) {
            $table->integer('link_id')->unsigned()->index();
            $table->foreign('link_id')->references('id')->on('links')->onDelete('cascade');
            $table->integer('tag_id')->unsigned()->index();
            $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade');
        });
        Schema::create('file_tag', function (Blueprint $table) {
            $table->integer('file_id')->unsigned()->index();
            $table->foreign('file_id')->references('id')->on('files')->onDelete('cascade');
            $table->integer('tag_id')->unsigned()->index();
            $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade');
        });
        Schema::create('quest_tag', function (Blueprint $table) {
            $table->integer('quest_id')->unsigned()->index();
            $table->foreign('quest_id')->references('id')->on('quests')->onDelete('cascade');
            $table->integer('tag_id')->unsigned()->index();
            $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade');
        });
        Schema::create('tag_writing', function (Blueprint $table){
            $table->integer('writing_id')->unsigned()->index();
            $table->foreign('writing_id')->references('id')->on('writings')->onDelete('cascade');
            $table->integer('tag_id')->unsigned()->index();
            $table->foreign('tag_id')->references('id')->on('tags')->onDelete('cascade');
        });
        Schema::create('role_user', function (Blueprint $table) {
            $table->integer('user_id')->unsigned()->index();
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
            $table->integer('role_id')->unsigned()->index();
            $table->foreign('role_id')->references('id')->on('roles')->onDelete('cascade');
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('link_tag');
        Schema::dropIfExists('file_tag');
        Schema::dropIfExists('quest_tag');
        Schema::dropIfExists('tag_writing');
        //Schema::dropIfExists('role_user');
    }
};