From: Allen Shaw <allen@JoineryHQ.com>
Date: Tue, 28 Aug 2018 16:55:43 +0000 (-0500)
Subject: dev/core#367: Query optimization for A-Z pager by adding indices to temp table.
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=08fa90dcf72f744de6990a761449b48497ba9876;p=civicrm-core.git

dev/core#367: Query optimization for A-Z pager by adding indices to temp table.
---

diff --git a/CRM/Contact/BAO/Query.php b/CRM/Contact/BAO/Query.php
index 57643ede26..2b0b209fd2 100644
--- a/CRM/Contact/BAO/Query.php
+++ b/CRM/Contact/BAO/Query.php
@@ -4208,6 +4208,12 @@ civicrm_relationship.start_date > {$today}
       }
       $sql = "
         CREATE TEMPORARY TABLE {$relationshipTempTable}
+          (
+            `contact_id` int(10) unsigned NOT NULL DEFAULT '0',
+            `contact_id_alt` int(10) unsigned NOT NULL DEFAULT '0',
+            KEY `contact_id` (`contact_id`),
+            KEY `contact_id_alt` (`contact_id_alt`)
+          )
           (SELECT contact_id_b as contact_id, contact_id_a as contact_id_alt, civicrm_relationship.id
             FROM civicrm_relationship
             INNER JOIN  civicrm_contact c ON civicrm_relationship.contact_id_a = c.id