added more indexes

database/migrations/2020_06_09_000000_core_v2014.php

@@ -0,0 +1,44 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CoreV2014 extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $doc_types = ['invoice', 'bill'];
+        $doc_tables = ['histories', 'items', 'item_taxes', 'totals'];
+
+        foreach ($doc_types as $doc_type) {
+            foreach ($doc_tables as $doc_table) {
+                Schema::table($doc_type . '_' . $doc_table, function (Blueprint $table) use ($doc_type) {
+                    $table->index($doc_type . '_id');
+                });
+            }
+        }
+
+        Schema::table('transactions', function (Blueprint $table) {
+            $table->index('account_id');
+            $table->index('category_id');
+            $table->index('contact_id');
+            $table->index('document_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}