From: Holger Weiss <holger@zedat.fu-berlin.de>
Date: Tue, 26 Feb 2019 12:13:04 +0000 (+0100)
Subject: MySQL: Increase index prefix length for PEP nodes
X-Git-Tag: 19.02~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=90dc8ea1e5566d430c8a871e076b11e37e1a1090;p=ejabberd

MySQL: Increase index prefix length for PEP nodes

For PEP nodes, the "host" column holds the user JID, where the first 20
characters may well not be unique.
---

diff --git a/sql/mysql.new.sql b/sql/mysql.new.sql
index 65b6d1b78..39df58c55 100644
--- a/sql/mysql.new.sql
+++ b/sql/mysql.new.sql
@@ -242,7 +242,7 @@ CREATE TABLE pubsub_node (
   nodeid bigint auto_increment primary key
 ) ENGINE=InnoDB CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 CREATE INDEX i_pubsub_node_parent ON pubsub_node(parent(120));
-CREATE UNIQUE INDEX i_pubsub_node_tuple ON pubsub_node(host(20), node(120));
+CREATE UNIQUE INDEX i_pubsub_node_tuple ON pubsub_node(host(71), node(120));
 
 CREATE TABLE pubsub_node_option (
   nodeid bigint,
diff --git a/sql/mysql.sql b/sql/mysql.sql
index 2dc02bf69..0e3c826ef 100644
--- a/sql/mysql.sql
+++ b/sql/mysql.sql
@@ -219,7 +219,7 @@ CREATE TABLE pubsub_node (
   nodeid bigint auto_increment primary key
 ) ENGINE=InnoDB CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 CREATE INDEX i_pubsub_node_parent ON pubsub_node(parent(120));
-CREATE UNIQUE INDEX i_pubsub_node_tuple ON pubsub_node(host(20), node(120));
+CREATE UNIQUE INDEX i_pubsub_node_tuple ON pubsub_node(host(71), node(120));
 
 CREATE TABLE pubsub_node_option (
   nodeid bigint,