I assigned the issue to me. Because I wanted to that for a very long
time. I already did some prerequisite work for the documentation in
`org.apache.flink.api.common.typeinfo.Types`.
Thanks,
Timo
Am 20.11.18 um 11:44 schrieb Flavio Pompermaier:
Sure! The problem is that Dataset API does an imp
Sure! The problem is that Dataset API does an implicit conversion to Tuples
during chaining and I didn't found any documentation about this (actually I
was pleasantly surprised by the fact that the Table API were supporting
aggregates on null values..).
Here it is: https://issues.apache.org/jira/
Hi Flavio,
Whether groupBy with null values works or not depends on the type of the
key, or more specifically on the TypeComparator and TypeSerializer that are
used to serialize, compare, and hash the key type.
The processing engine supports null values If the comparator and serializer
can handle
Hi to all,
we wanted to do a group by on elements that can contains null values and we
discovered that Table API support this while Dataset API does not.
Is this documented somehwere on the Flink site?
Best,
Flavio
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PS: you can test this wit