From 61b0c6094fecb88bea063b83ab113b175d10d75e Mon Sep 17 00:00:00 2001
From: Tareq Hasan <tareq1988@gmail.com>
Date: Sun, 16 Aug 2020 12:01:11 +0800
Subject: [PATCH] Added index on short_url and user_id
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The clicks and URLs table doesn’t have necessary index on short_url, which is required for a faster DB query.
---
 ...0_08_16_035000_add_index_to_urls_table.php | 34 +++++++++++++++++++
 ...08_16_035242_add_index_to_clicks_table.php | 32 +++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 database/migrations/2020_08_16_035000_add_index_to_urls_table.php
 create mode 100644 database/migrations/2020_08_16_035242_add_index_to_clicks_table.php

diff --git a/database/migrations/2020_08_16_035000_add_index_to_urls_table.php b/database/migrations/2020_08_16_035000_add_index_to_urls_table.php
new file mode 100644
index 00000000..5e855e38
--- /dev/null
+++ b/database/migrations/2020_08_16_035000_add_index_to_urls_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddIndexToUrlsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('urls', function (Blueprint $table) {
+            $table->index('short_url');
+            $table->index('user_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('urls', function (Blueprint $table) {
+            $table->dropIndex('short_url');
+            $table->dropIndex('user_id');
+        });
+    }
+}
diff --git a/database/migrations/2020_08_16_035242_add_index_to_clicks_table.php b/database/migrations/2020_08_16_035242_add_index_to_clicks_table.php
new file mode 100644
index 00000000..fa0c33ec
--- /dev/null
+++ b/database/migrations/2020_08_16_035242_add_index_to_clicks_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddIndexToClicksTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('clicks', function (Blueprint $table) {
+            $table->index('short_url');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('clicks', function (Blueprint $table) {
+            $table->dropIndex('short_url');
+        });
+    }
+}