MDL-26116, added default value to tag_instance.tiuserid field

lib/db/install.xml

@@ -1935,7 +1935,7 @@
         <FIELD NAME="tagid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="id" NEXT="itemtype"/>
         <FIELD NAME="itemtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" PREVIOUS="tagid" NEXT="itemid"/>
         <FIELD NAME="itemid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="itemtype" NEXT="tiuserid"/>
-        <FIELD NAME="tiuserid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" PREVIOUS="itemid" NEXT="ordering"/>
+        <FIELD NAME="tiuserid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" PREVIOUS="itemid" NEXT="ordering"/>
         <FIELD NAME="ordering" TYPE="int" LENGTH="10" NOTNULL="false" UNSIGNED="true" SEQUENCE="false" COMMENT="Maintains the order of the tag instances of an item" PREVIOUS="tiuserid" NEXT="timemodified"/>
         <FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" COMMENT="timemodified" PREVIOUS="ordering"/>
       </FIELDS>
@@ -2748,4 +2748,4 @@
       </KEYS>
     </TABLE>
   </TABLES>
-</XMLDB>
\ No newline at end of file
+</XMLDB>

lib/db/upgrade.php

@@ -239,7 +239,7 @@ function xmldb_main_upgrade($oldversion) {
         // add field
         $field = new xmldb_field('tiuserid');
         if (!$dbman->field_exists($table, $field)) {
-            $field->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, 'itemid');
+            $field->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0, 'itemid');
             $dbman->add_field($table, $field);
         }
         // modify index
@@ -5899,7 +5899,7 @@ WHERE gradeitemid IS NOT NULL AND grademax IS NOT NULL");
         if (array_key_exists('tiuserid', $columns) && !empty($columns['tiuserid']->has_default)) {
             // tiuserid should have no default
             // Fixed in earlier upgrade code
-            $field = new xmldb_field('tiuserid', XMLDB_TYPE_INTEGER, 10, XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, 'itemid');
+            $field = new xmldb_field('tiuserid', XMLDB_TYPE_INTEGER, 10, XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0, 'itemid');
             $index = new xmldb_index('itemtype-itemid-tagid-tiuserid', XMLDB_INDEX_UNIQUE, array('itemtype', 'itemid', 'tagid', 'tiuserid'));
             if ($dbman->index_exists($table, $index)) {
                 $dbman->drop_index($table, $index);
@@ -5956,6 +5956,37 @@ WHERE gradeitemid IS NOT NULL AND grademax IS NOT NULL");
         upgrade_main_savepoint(true, 2011011415);
     }
 
+    if ($oldversion < 2011012400) {
+        $columns = $DB->get_columns('tag_instance');
+        $table = new xmldb_table('tag_instance');
+
+        // Drop and recreate index if tiuserid doesn't have default value
+        if (array_key_exists('tiuserid', $columns) && empty($columns['tiuserid']->has_default)) {
+            // Define index itemtype-itemid-tagid-tiuserid (unique) to be dropped form tag_instance
+            $index = new xmldb_index('itemtype-itemid-tagid-tiuserid', XMLDB_INDEX_UNIQUE, array('itemtype', 'itemid', 'tagid', 'tiuserid'));
+            // Conditionally launch drop index itemtype-itemid-tagid-tiuserid
+            if ($dbman->index_exists($table, $index)) {
+                $dbman->drop_index($table, $index);
+            }
+
+            // Changing the default of field tiuserid on table tag_instance to 0
+            $field = new xmldb_field('tiuserid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', 'itemid');
+
+            // Launch change of default for field tiuserid
+            $dbman->change_field_default($table, $field);
+
+            $index = new xmldb_index('itemtype-itemid-tagid-tiuserid', XMLDB_INDEX_UNIQUE, array('itemtype', 'itemid', 'tagid', 'tiuserid'));
+
+            // Conditionally launch add index itemtype-itemid-tagid-tiuserid
+            if (!$dbman->index_exists($table, $index)) {
+                $dbman->add_index($table, $index);
+            }
+        }
+
+        // Main savepoint reached
+        upgrade_main_savepoint(true, 2011012400);
+    }
+
     return true;
 }
 

version.php

@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version = 2011011900;  // YYYYMMDD   = date of the last version bump
+$version = 2011012400;  // YYYYMMDD   = date of the last version bump
                         //         XX = daily increments
 
 $release = '2.0.1+ (Build: 20110119)';  // Human-friendly version name