Dev SSO: Tables, SAML

Core/Driver/SQL/MySQL.class.php

@@ -507,6 +507,18 @@ class MySQL extends SQL {
 
     return null;
   }
+
+  public function startTransaction(): bool {
+    return $this->connection->begin_transaction();
+  }
+
+  public function commit(): bool {
+    return $this->connection->commit();
+  }
+
+  public function rollback(): bool {
+    return $this->connection->rollback();
+  }
 }
 
 class RowIteratorMySQL extends RowIterator {

Core/Driver/SQL/Query/AlterTable.class.php

@@ -116,8 +116,17 @@ class AlterTable extends Query {
           }
         }
       } else if ($action === "ADD") {
-        $query .= "CONSTRAINT ";
-        $query .= $this->sql->getConstraintDefinition($constraint);
+        $constraintName = $constraint->getName();
+
+        if ($constraintName) {
+          $query .= "CONSTRAINT ";
+          $query .= $constraintName;
+          $query .= " ";
+          $query .= $this->sql->getConstraintDefinition($constraint);
+        } else {
+          $this->sql->setLastError("Cannot ADD CONSTRAINT without a constraint name.");
+          return null;
+        }
       } else if ($action === "MODIFY") {
         $this->sql->setLastError("MODIFY CONSTRAINT foreign key is not supported.");
         return null;