godfreyhe commented on a change in pull request #10316:
[FLINK-14624][table-blink] Support computed column as rowtime attribute
URL: https://github.com/apache/flink/pull/10316#discussion_r354316919
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File path:
flink-table/flink-table-planner-blink/src/test/resources/org/apache/flink/table/planner/plan/stream/sql/MiniBatchIntervalInferTest.xml
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@@ -16,6 +16,34 @@ See the License for the specific language governing
permissions and
limitations under the License.
-->
<Root>
+ <TestCase name="testMiniBatchOnDataStreamWithRowTime">
+ <Resource name="sql">
+ <![CDATA[
+SELECT long,
+ COUNT(str) as cnt,
+ TUMBLE_END(rowtime, INTERVAL '10' SECOND) as rt
+FROM T1
+GROUP BY long, TUMBLE(rowtime, INTERVAL '10' SECOND)
+ ]]>
+ </Resource>
+ <Resource name="planBefore">
+ <![CDATA[
+LogicalProject(long=[$0], cnt=[$2], rt=[TUMBLE_END($1)])
++- LogicalAggregate(group=[{0, 1}], cnt=[COUNT($2)])
+ +- LogicalProject(long=[$0], $f1=[TUMBLE($3, 10000:INTERVAL SECOND)],
str=[$2])
+ +- LogicalTableScan(table=[[default_catalog, default_database, T1]])
+]]>
+ </Resource>
+ <Resource name="planAfter">
+ <![CDATA[
+Calc(select=[long, cnt, w$end AS rt])
++- GroupWindowAggregate(groupBy=[long], window=[TumblingGroupWindow('w$,
rowtime, 10000)], properties=[w$start, w$end, w$rowtime, w$proctime],
select=[long, COUNT(str) AS cnt, start('w$) AS w$start, end('w$) AS w$end,
rowtime('w$) AS w$rowtime, proctime('w$) AS w$proctime])
+ +- Exchange(distribution=[hash[long]])
+ +- Calc(select=[long, rowtime, str])
+ +- DataStreamScan(table=[[default_catalog, default_database, T1]],
fields=[long, int, str, rowtime])
Review comment:
the reason there is no `MiniBatchAssigner` on `DataStreamScan` is: the
window interval is greater than mini-batch-allow-latency ?
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