Use utf8mb4 for the connection etc (#1001)

* Use utf8mb4 for the connection etc

* Support utf8mb4 in campaign subject and content

---------

Co-authored-by: Michiel Dethmers <[email protected]>

Author: bramley

public_html/lists/admin/mysqli.inc

@@ -77,7 +77,7 @@ function Sql_Connect($host, $user, $password, $database)
         print "Cannot connect to Database, please check your configuration";
         exit;
     }
-    mysqli_query($db, "SET NAMES 'utf8'");
+    mysqli_query($db, "SET NAMES 'utf8mb4'");
     unset($GLOBALS['lastquery']);
 
     return $db;

public_html/lists/admin/structure.php

@@ -118,12 +118,12 @@
     'message' => array( // a message
         'id'              => array('integer not null primary key auto_increment', 'ID'),
         'uuid'            => array('varchar(36) default ""', 'UUID'),
-        'subject'         => array("varchar(255) not null default '(no subject)'", 'subject'),
+        'subject'         => array("varchar(255) character set utf8mb4 not null default '(no subject)'", 'subject'),
         'fromfield'       => array("varchar(255) not null default ''", 'from'),
         'tofield'         => array("varchar(255) not null default ''", 'tofield'),
         'replyto'         => array("varchar(255) not null default ''", 'reply-to'),
-        'message'         => array('longtext', 'Message'),
-        'textmessage'     => array('longtext', 'Text version of Message'),
+        'message'         => array('longtext character set utf8mb4', 'Message'),
+        'textmessage'     => array('longtext character set utf8mb4', 'Text version of Message'),
         'footer'          => array('text', 'Footer for a message'),
         'entered'         => array('datetime', 'Entered'),
         'modified'        => array('timestamp not null default current_timestamp on update current_timestamp', 'Modified'),
@@ -155,7 +155,7 @@
     'messagedata' => array(
         'name'        => array('varchar(100) not null', 'Name of field'),
         'id'          => array('integer not null', 'Message ID'),
-        'data'        => array('longtext', 'Data'),
+        'data'        => array('longtext character set utf8mb4', 'Data'),
         'primary key' => array('(name,id)', ''),
     ),
     'listmessage' => array( // linking messages to a list

public_html/lists/admin/upgrade.php

@@ -326,6 +326,13 @@ function output($message)
         Sql_Query("alter table {$GLOBALS['tables']['admin']} modify modifiedby varchar(66) default ''");
     }
 
+    if (version_compare($dbversion, '3.6.15','<')) {
+        // support utf8mb4 for campaign subject and content
+        Sql_Query("alter table {$GLOBALS['tables']['message']} modify subject varchar(255) character set utf8mb4 not null default '(no subject)'");
+        Sql_Query("alter table {$GLOBALS['tables']['message']} modify message longtext character set utf8mb4");
+        Sql_Query("alter table {$GLOBALS['tables']['message']} modify textmessage longtext character set utf8mb4");
+        Sql_Query("alter table {$GLOBALS['tables']['messagedata']} modify data longtext character set utf8mb4");
+    }
 
     if (!Sql_Table_exists($GLOBALS['tables']['admin_login'])) {
         cl_output(s('Creating new table "admin_login"'));