doctrine / dbal

                $sql[] = $this->getCreateForeignKeySQL($foreignKey, $tableName);

            }

            foreach ($diff->renamedForeignKeys as $oldForeignKeyName =>$foreignKey) {

                $oldForeignKeyName = new Identifier($oldForeignKeyName);

                $sql               = array_merge(

                    $sql,

                    $this->getRenameForeignKeySQL($oldForeignKeyName->getQuotedName($this), $foreignKey, $tableName)

                );

            }

        }

        foreach ($diff->addedIndexes as $index) {

            $sql[] = $this->getCreateIndexSQL($index, $tableName);

        }

        foreach ($diff->renamedIndexes as $oldIndexName => $index) {

            $oldIndexName = new Identifier($oldIndexName);

            $sql          = array_merge(

                $sql,

                $this->getRenameIndexSQL($oldIndexName->getQuotedName($this), $index, $tableName)

            );

        }

        return $sql;

    }