Wabel / zoho-crm-copy-db

            $comparator = new \Doctrine\DBAL\Schema\Comparator();

            $tableDiff = $comparator->diffTable($dbTable, $table);

            if ($tableDiff !== false) {

                $diff = new SchemaDiff();

                $diff->fromSchema = $dbSchema;

                $diff->changedTables[$tableName] = $tableDiff;

                $statements = $diff->toSaveSql($this->connection->getDatabasePlatform());

                foreach ($statements as $sql) {

                    $this->connection->exec($sql);

                }

            }

        } else {

            $diff = new SchemaDiff();

            $diff->fromSchema = $dbSchema;

                    $this->connection->exec($sql);

                }

            }

        } else {

            $diff = new SchemaDiff();

            $diff->fromSchema = $dbSchema;

            $diff->newTables[$tableName] = $table;

            $statements = $diff->toSaveSql($this->connection->getDatabasePlatform());

            foreach ($statements as $sql) {

                $this->connection->exec($sql);

            }

        }

    }