Update

database/migrations/2025_06_19_002728_create_meme_medias_table.php

@@ -28,7 +28,6 @@ public function up(): void
             $table->string('webm_url');
             $table->string('gif_url');
             $table->string('webp_url');
-            $table->vector('embedding', 384)->nullable();
             $table->double('duration')->nullable();
             $table->integer('media_width')->default(720);
             $table->integer('media_height')->default(1280);

database/migrations/2025_06_20_064606_create_keyword_embeddings_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('keyword_embeddings', function (Blueprint $table) {
+            $table->id();
+            $table->text('keyword')->unique()->index();
+            $table->vector('embedding', 384);
+            $table->string('tag')->nullable();
+            $table->timestamps();
+
+            // Add indexes for performance
+            $table->index(['keyword']);
+            $table->index(['tag']);
+        });
+
+        // Add HNSW index for fast vector similarity search
+        DB::statement('CREATE INDEX keyword_embeddings_embedding_hnsw_idx ON keyword_embeddings USING hnsw (embedding vector_cosine_ops)');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('keyword_embeddings');
+    }
+};

database/migrations/2025_06_20_101525_delete_tag_from_keyword_embeddings_table.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('keyword_embeddings', function (Blueprint $table) {
+            // Drop the index first, then the column
+            $table->dropIndex(['tag']);
+            $table->dropColumn('tag');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('keyword_embeddings', function (Blueprint $table) {
+            // Add the column back
+            $table->string('tag')->nullable();
+            // Add the index back
+            $table->index(['tag']);
+        });
+    }
+};

database/migrations/2025_06_20_101853_create_meme_media_embeddings_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('meme_media_embeddings', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('meme_media_id')->references('id')->on('meme_medias');
+            $table->text('keyword')->index();
+            $table->vector('embedding', 384);
+            $table->string('tag')->nullable();
+            $table->timestamps();
+
+            $table->index('tag');
+        });
+
+        DB::statement('CREATE INDEX meme_media_embeddings_embedding_hnsw_idx ON meme_media_embeddings USING hnsw (embedding vector_cosine_ops)');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('meme_media_embeddings');
+    }
+};

database/migrations/2025_06_20_102737_add_embedding_indexes_to_tables.php

@@ -0,0 +1,26 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        DB::statement('CREATE INDEX category_embeddings_embedding_hnsw_idx ON categories USING hnsw (embedding vector_cosine_ops)');
+        DB::statement('CREATE INDEX background_media_embeddings_embedding_hnsw_idx ON background_medias USING hnsw (embedding vector_cosine_ops)');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        DB::statement('DROP INDEX IF EXISTS category_embeddings_embedding_hnsw_idx');
+        DB::statement('DROP INDEX IF EXISTS background_media_embeddings_embedding_hnsw_idx');
+    }
+};