From 10e71426aa0fc33cd9c378f434bae097fdb94bcc Mon Sep 17 00:00:00 2001
From: Rostislav Wolny <rosta@mailpoet.com>
Date: Wed, 14 Aug 2019 14:16:18 +0200
Subject: [PATCH] Modify stats tables indexes for faster fetching in emails
 listing

[MAILPOET-2213]
---
 lib/Config/Migrator.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/Config/Migrator.php b/lib/Config/Migrator.php
index 7b7db732cc..4d87c02995 100644
--- a/lib/Config/Migrator.php
+++ b/lib/Config/Migrator.php
@@ -413,7 +413,7 @@ class Migrator {
       'created_at timestamp NULL,', // must be NULL, see comment at the top
       'updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
       'PRIMARY KEY  (id),',
-      'KEY newsletter_id (newsletter_id),',
+      'KEY newsletter_id_subscriber_id (newsletter_id, subscriber_id),',
       'KEY queue_id (queue_id),',
       'KEY subscriber_id (subscriber_id)',
     ];
@@ -428,7 +428,7 @@ class Migrator {
       'queue_id int(11) unsigned NOT NULL,',
       'created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,',
       'PRIMARY KEY  (id),',
-      'KEY newsletter_id (newsletter_id),',
+      'KEY newsletter_id_subscriber_id (newsletter_id, subscriber_id),',
       'KEY queue_id (queue_id),',
       'KEY subscriber_id (subscriber_id),',
       'KEY created_at (created_at)',
@@ -444,7 +444,7 @@ class Migrator {
       'queue_id int(11) unsigned NOT NULL,',
       'created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,',
       'PRIMARY KEY  (id),',
-      'KEY newsletter_id (newsletter_id),',
+      'KEY newsletter_id_subscriber_id (newsletter_id, subscriber_id),',
       'KEY queue_id (queue_id),',
       'KEY subscriber_id (subscriber_id)',
     ];