MDL-82183 core: Update namespace of moved output classes

lib/table/classes/sql_table.php

@@ -14,6 +14,12 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
+namespace core_table;
+
+use flexible_table;
+use moodle_recordset;
+use stdClass;
+
 defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
@@ -27,8 +33,7 @@ require_once("{$CFG->libdir}/tablelib.php");
  * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-class table_sql extends flexible_table {
-
+class sql_table extends flexible_table {
     public $countsql = NULL;
     public $countparams = NULL;
     /**
@@ -203,3 +208,8 @@ class table_sql extends flexible_table {
         $this->finish_output();
     }
 }
+
+// Alias this class to the old name.
+// This file will be autoloaded by the legacyclasses autoload system.
+// In future all uses of this class will be corrected and the legacy references will be removed.
+class_alias(sql_table::class, \table_sql::class);