presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftBlock.java/PrestoThriftBlock/getDateData
class PrestoThriftBlock:    @Nullable
    @ThriftField(value = 6, requiredness = OPTIONAL)
    public PrestoThriftDate getDateData()
    {
        return dateData;
    }