@Override
    public ClickHouseNestedValue update(Object[] value) {
        if (value == null) {
            return resetToNullOrEmpty();
        } else if (value instanceof Object[][]) {
            set((Object[][]) value);
        } else {
            set(new Object[][] { value });
        }
        return this;
    }
Gets immutable list of nested columns.

@return immutable list of columns
clickhouse-data/src/main/java/com/clickhouse/data/value/ClickHouseNestedValue.java