Dian Fu created FLINK-11074:
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Summary: Improve the harness test to make it possible test with
state backend
Key: FLINK-11074
URL: https://issues.apache.org/jira/browse/FLINK-11074
Project: Flink
Issue Type: Test
Components: Table API & SQL
Reporter: Dian Fu
Assignee: Dian Fu
Currently, the harness test can only test without state backend. If you use a
DataView in the accumulator of the aggregate function, the DataView is a java
object and held in heap, not replaced with StateMapView/StateListView which
values are actually held in the state backend. We should improve the harness
test to make it possible to test with state backend. Otherwise, issues such as
FLINK-10674 could have never been found. With this harness test available, we
could test the built-in aggregate functions which use the DataView more fine
grained.
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