fix field default value error in local_o365

db/install.xml

@@ -184,7 +184,7 @@
         <FIELD NAME="teamname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="courseshortname" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="requeststatus" TYPE="int" LENGTH="2" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
-        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="false" DEFAULT="null" SEQUENCE="false"/>
+        <FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>

db/upgrade.php

@@ -1141,5 +1141,23 @@ function xmldb_local_o365_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2022112822, 'local', 'o365');
     }
 
+    if ($oldversion < 2022112826) {
+        $sql = 'UPDATE {local_o365_course_request} SET courseid = 0 WHERE courseid IS NULL';
+        $DB->execute($sql);
+
+        // Changing the default of field courseid on table local_o365_course_request to 0.
+        $table = new xmldb_table('local_o365_course_request');
+        $field = new xmldb_field('courseid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'requeststatus');
+
+        // Launch change of default for field courseid.
+        $dbman->change_field_default($table, $field);
+
+        // Launch change of nullability for field courseid.
+        $dbman->change_field_notnull($table, $field);
+
+        // O365 savepoint reached.
+        upgrade_plugin_savepoint(true, 2022112826, 'local', 'o365');
+    }
+
     return true;
 }

version.php

@@ -26,9 +26,9 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2022112825;
+$plugin->version = 2022112826;
 $plugin->requires = 2022112800;
-$plugin->release = '4.1.4';
+$plugin->release = '4.1.5';
 $plugin->component = 'local_o365';
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = [