From e935473c5c05a40194c110fbb024825a30ca5a4b Mon Sep 17 00:00:00 2001
From: Mario Vavti <mario@mariovavti.com>
Date: Fri, 1 Sep 2017 21:27:59 +0200
Subject: add combined index for item.uid and item.item_unseen. this speeds up
 notifications by a magnitude.

---
 install/update.php | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'install/update.php')

diff --git a/install/update.php b/install/update.php
index 8798a3d69..b99e4dd9d 100644
--- a/install/update.php
+++ b/install/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1193 );
+define( 'UPDATE_VERSION' , 1194 );
 
 /**
  *
@@ -2978,3 +2978,17 @@ function update_r1192() {
 		return UPDATE_SUCCESS;
 	return UPDATE_FAILED;
 }
+
+function update_r1193() {
+
+	if(ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
+		$r1 = q("CREATE INDEX item_uid_unseen ON item (uid, item_unseen)");
+	}
+	else {
+		$r1 = q("ALTER TABLE item ADD INDEX uid_item_unseen (uid, item_unseen);");
+	}
+
+	if($r1)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
+}
-- 
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