diff --git a/lib/dml/database_column_info.php b/lib/dml/database_column_info.php
index c1d7c9ffced..e7e19879db7 100644
--- a/lib/dml/database_column_info.php
+++ b/lib/dml/database_column_info.php
@@ -133,7 +133,7 @@ class database_column_info {
      */
     public function __construct($data) {
         foreach ($data as $key=>$value) {
-            if (property_exists($key, $this)) {
+            if (property_exists($this, $key)) {
                 $this->$key = $value;
             }
         }
diff --git a/lib/dml/pgsql_native_moodle_database.php b/lib/dml/pgsql_native_moodle_database.php
index 8ed84712492..044c32a405f 100644
--- a/lib/dml/pgsql_native_moodle_database.php
+++ b/lib/dml/pgsql_native_moodle_database.php
@@ -177,14 +177,14 @@ class pgsql_native_moodle_database extends moodle_database {
         $result = pg_query($this->pgsql, $sql);
         $this->query_end($result);
 
-        $this->bytea_oid = pg_fetch_result($result, 0);
+        $this->bytea_oid = pg_fetch_result($result, 0, 0);
         pg_free_result($result);
         if ($this->bytea_oid === false) {
             $this->pgsql = null;
             throw new dml_connection_exception('Can not read bytea type.');
         }
 
-        // Connection stabilished and configured, going to instantiate the temptables controller
+        // Connection stabilised and configured, going to instantiate the temptables controller
         $this->temptables = new pgsql_native_moodle_temptables($this);
 
         return true;