Records can be distributed between partitions based on key ranges, no
sorting is needed for that.
You may need sorting for repeatable read within a partition. But even then
the query should filter to not fetch what was already loaded. Without a
WHERE clause, there is an unnecessary repeated full
I agree with Bhupesh, DB does not guarantees that your data will be
retrieved in a specific or sorted order if an 'order by' clause is not
given in the query.
IMO in case of our poll operator we will have to sort the records for
non-poller partitions to ensure all records are emitted and no 2
Hi,
It seems the poll operator performs unnecessary operations in the case
where the "key" column values in the source table are monotonic increasing.
There should be no need to sort or do count selects. Instead it should be
sufficient to just filter with the key range.
Let's say the key column
