Thanks a lot.
On Sat, Jan 26, 2019 at 10:22 AM Hequn Cheng <chenghe...@gmail.com> wrote:
> Hi Soheil,
>
> There is no print() or show() method in Table. As a workaround, you can
> convert[1] the Table into a DataSet and perform print() or collect() on the
> DataSet.
> You have to pay attention to the differences between DataSet.print() and
> DataSet.collect().
> For DataSet.print(), prints the elements in a DataSet to the standard
> output stream {@link System#out} of the JVM that calls the print() method.
> For programs that are executed in a cluster, this method needs to gather
> the contents of the DataSet back to the client, to print it there.
> For DataSet.collect(), get the elements of a DataSet as a List. As DataSet
> can contain a lot of data, this method should be used with caution.
>
> Best,
> Hequn
>
> [1]
> https://ci.apache.org/projects/flink/flink-docs-master/dev/table/common.html#convert-a-table-into-a-dataset
>
>
> On Sat, Jan 26, 2019 at 3:24 AM Soheil Pourbafrani <soheil.i...@gmail.com>
> wrote:
>
>> Hi,
>>
>> Using Flink Table object how can we print table contents, something like
>> Spark show() method?
>>
>> for example in the following:
>>
>> tableEnv.registerDataSet("Orders", raw, "id, country, num, about");
>> Table results = tableEnv.sqlQuery("SELECT id FROM Orders WHERE id > 10");
>>
>> How can I print the results variable contents?
>>
>> Thanks
>>
>
