添加source索引

database/migrations/2022_08_14_133812_add_sourceindex_in_user_dicts.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddSourceindexInUserDicts extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('user_dicts', function (Blueprint $table) {
+            //
+			$table->index(['source']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('user_dicts', function (Blueprint $table) {
+            //
+            $table->dropIndex('user_dicts_source_index');
+        });
+    }
+}