@Deprecated
    default ClickHouseSqlStatement[] parse(String sql, ClickHouseConfig config) {
        return parse(sql, config, null);
    }
Parses the given sql.

@param sql    sql to parse
@param config configuration which might be used for parsing, could be null
@return non-null parsed sql statements
@deprecated will be removed in 0.5, please use
            {@link #parse(String, ClickHouseConfig, Map)} instead
clickhouse-jdbc/src/main/java/com/clickhouse/jdbc/ClickHouseConnection.java