33 lines
838 B
PHP
33 lines
838 B
PHP
<?php
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use Illuminate\Database\Migrations\Migration;
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use Illuminate\Database\Schema\Blueprint;
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use Illuminate\Support\Facades\Schema;
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return new class extends Migration
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{
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/**
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* Run the migrations.
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*/
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public function up(): void
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{
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Schema::create('upvotes', function (Blueprint $table) {
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$table->id();
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$table->foreignId('user_id')->constrained()->onDelete('cascade');
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$table->foreignId('product_id')->constrained()->onDelete('cascade');
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$table->timestamp('created_at')->useCurrent();
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// Unique composite index to prevent duplicate upvotes
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$table->unique(['user_id', 'product_id']);
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});
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}
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/**
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* Reverse the migrations.
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*/
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public function down(): void
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{
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Schema::dropIfExists('upvotes');
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}
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};
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