DASH-718 : Dash MSSQL support.

Author: vasanthlmsace

classes/local/dash_framework/structure/field.php

@@ -106,13 +106,15 @@ public function __construct(string $name,
                                 $select = null,
                                 array $attributes = [],
                                 $options = [],
-                                $visibility = self::VISIBILITY_VISIBLE) {
+                                $visibility = self::VISIBILITY_VISIBLE,
+                                $sortselect = null) {
         $this->name = $name;
         $this->title = $title;
         $this->table = $table;
         $this->select = $select;
         $this->visibility = $visibility;
         $this->options = $options;
+        $this->sortselect = $sortselect;
 
         foreach ($attributes as $attribute) {
             $this->add_attribute($attribute);
@@ -394,11 +396,10 @@ public function set_sort_select($select) {
      */
     public function get_sort_select() {
         $sort = $this->sortselect;
-        if (!is_null($sort)) {
-            return $sort;
+        if (is_null($sort)) {
+            return $this->get_select();
         }
-
-        return $this->get_alias();
+        return empty($sort) ? $this->get_alias() : '';
     }
 
     // Endregion.

classes/local/dash_framework/structure/user_table.php

@@ -66,7 +66,7 @@ public function get_title(): string {
      */
     public function get_fields(): array {
         global $DB, $CFG;
-
+        $groupconcat = $DB->sql_group_concat('g200.id', ',');
         $fields = [
             new field('id', new lang_string('user'), $this, null, [
                 new identifier_attribute(),
@@ -128,17 +128,15 @@ public function get_fields(): array {
                 ]),
             ]),
             new field('group_names', new lang_string('group'), $this, [
-                'select' => "(SELECT group_concat(g200.id, ',') FROM {groups} g200
+                'select' => "(SELECT $groupconcat FROM {groups} g200
                             JOIN {groups_members} gm200 ON gm200.groupid = g200.id WHERE gm200.userid = u.id)",
-                'select_pgsql' => "(SELECT string_agg(g200.id::text, ',') FROM {groups} g200
-                                    JOIN {groups_members} gm200 ON gm200.groupid = g200.id AND gm200.userid = u.id)",
             ], [
                 new rename_group_ids_attribute([
                     'table' => 'groups',
                     'field' => 'name',
                     'delimiter' => ',', // Separator between each ID in SQL select.
                 ]),
-            ]),
+            ], [], field_interface::VISIBILITY_VISIBLE, ''),
         ];
 
         require_once("$CFG->dirroot/user/profile/lib.php");
@@ -148,7 +146,8 @@ public function get_fields(): array {
             $fields[] = new field('pf_' . strtolower($customfield->shortname),
                 new lang_string('customfield', 'block_dash', ['name' => format_string($customfield->name)]),
                 $this, "(SELECT profile$i.data FROM {user_info_data} profile$i
-                      WHERE profile$i.userid = u.id AND profile$i.fieldid = $customfield->id)"
+                      WHERE profile$i.userid = u.id AND profile$i.fieldid = $customfield->id)",
+                [], [],field_interface::VISIBILITY_VISIBLE , '',
             );
 
             $i++;

classes/local/data_source/abstract_data_source.php

@@ -268,7 +268,7 @@ final public function get_query(): builder {
                     if (is_null($this->get_field($field))) {
                         continue;
                     }
-                    $this->query->orderby($this->get_field($field)->get_select(), $direction);
+                    $this->query->orderby($this->get_field($field)->get_sort_select(), $direction);
                 }
             }
         }

field_definitions.php

@@ -26,6 +26,8 @@
 
 global $DB;
 
+$groupconcat = $DB->sql_group_concat('g200.id', ',');
+
 $definitions = [
     [
         'name' => 'u_id',
@@ -284,10 +286,8 @@
     ],
     [
         'name' => 'u_group_names',
-        'select' => "(SELECT group_concat(g200.id, ',') FROM {groups} g200
+        'select' => "(SELECT $groupconcat FROM {groups} g200
             JOIN {groups_members} gm200 ON gm200.groupid = g200.id WHERE gm200.userid = u.id)",
-        'select_pgsql' => "(SELECT string_agg(g200.id::text, ',') FROM {groups} g200
-            JOIN {groups_members} gm200 ON gm200.groupid = g200.id AND gm200.userid = u.id)",
         'title' => get_string('group'),
         'tables' => ['u'],
         'attributes' => [

version.php

@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2024030601;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2024031600;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2021051700;        // Requires this Moodle version.
 $plugin->component = 'block_dash';      // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;