From 1d7d31b9ae0f90c0b4d7912f8fcedcb23b3eba6a Mon Sep 17 00:00:00 2001
From: Ian Littman <iansltx@gmail.com>
Date: Tue, 26 Jan 2021 14:08:25 -0600
Subject: [PATCH] Optimize target type + ID index for more realistic use cases
(#8923)
Per https://youtu.be/EOXgHH4-WX4?t=1378 or thereabouts
---
...18_090026_swap_target_type_index_order.php | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 database/migrations/2020_12_18_090026_swap_target_type_index_order.php
diff --git a/database/migrations/2020_12_18_090026_swap_target_type_index_order.php b/database/migrations/2020_12_18_090026_swap_target_type_index_order.php
new file mode 100644
index 000000000..9b637844f
--- /dev/null
+++ b/database/migrations/2020_12_18_090026_swap_target_type_index_order.php
@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class SwapTargetTypeIndexOrder extends Migration
+{
+ /**
+ * Run the migrations.
+ *
+ * @return void
+ */
+ public function up()
+ {
+ Schema::table('action_logs', function (Blueprint $table) {
+ $table->dropIndex(['target_id', 'target_type']);
+ });
+
+ Schema::table('action_logs', function (Blueprint $table) {
+ $table->index(['target_type', 'target_id']);
+ });
+ }
+
+ /**
+ * Reverse the migrations.
+ *
+ * @return void
+ */
+ public function down()
+ {
+ Schema::table('action_logs', function (Blueprint $table) {
+ $table->dropIndex(['target_type', 'target_id']);
+ });
+
+ Schema::table('action_logs', function (Blueprint $table) {
+ $table->index(['target_id', 'target_type']);
+ });
+ }
+}
--
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