MDL-17020 pgsql native driver: use same solution than mssql and oci t…

…o disable driver verbosity

lib/dml/pgsql_native_moodle_database.php

@@ -36,7 +36,7 @@ class pgsql_native_moodle_database extends moodle_database {
     protected $pgsql     = null;
     protected $bytea_oid = null;
 
-    protected $last_debug;
+    protected $last_error_reporting; // To handle pgsql driver default verbosity
 
     /**
      * Detects if all needed PHP stuff installed.
@@ -209,7 +209,7 @@ public function dispose() {
     protected function query_start($sql, array $params=null, $type, $extrainfo=null) {
         parent::query_start($sql, $params, $type, $extrainfo);
         // pgsql driver tents to send debug to output, we do not need that ;-)
-        $this->last_debug = error_reporting(0);
+        $this->last_error_reporting = error_reporting(0);
     }
 
     /**
@@ -218,8 +218,8 @@ protected function query_start($sql, array $params=null, $type, $extrainfo=null)
      * @return void
      */
     protected function query_end($result) {
-        //reset original debug level
-        error_reporting($this->last_debug);
+        // reset original debug level
+        error_reporting($this->last_error_reporting);
         parent::query_end($result);
     }