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https://issues.apache.org/jira/browse/FLINK-7357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16141974#comment-16141974
]
ASF GitHub Bot commented on FLINK-7357:
---------------------------------------
Github user walterddr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4521#discussion_r135321169
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/sql/GroupWindowTest.scala
---
@@ -143,4 +143,36 @@ class GroupWindowTest extends TableTestBase {
streamUtil.verifySql(sql, expected)
}
+
+ @Test
+ def testExpressionOnWindowHavingFunction() = {
+ val sql =
+ "SELECT " +
+ " COUNT(*), " +
+ " HOP_START(rowtime, INTERVAL '15' MINUTE, INTERVAL '1' MINUTE) "
+
+ "FROM MyTable " +
+ "GROUP BY HOP(rowtime, INTERVAL '15' MINUTE, INTERVAL '1' MINUTE)
" +
+ "HAVING SUM(a) > 0"
+ val expected =
+ unaryNode(
+ "DataStreamCalc",
+ unaryNode(
+ "DataStreamGroupWindowAggregate",
+ unaryNode(
+ "DataStreamCalc",
+ streamTableNode(0),
+ term("select", "rowtime, a")
+ ),
+ term("window", SlidingGroupWindow('w$, 'rowtime, 60000.millis,
900000.millis)),
+ term("select",
+ "COUNT(*) AS EXPR$0",
+ "SUM(a) AS $f1",
+ "start('w$) AS w$start",
+ "end('w$) AS w$end")
+ ),
+ term("select", "EXPR$0", "w$start")
--- End diff --
Ahh. good catch. Bonehead, bonehead :-(. will fix it
> HOP_START() HOP_END() does not work when using HAVING clause with GROUP BY
> HOP window
> -------------------------------------------------------------------------------------
>
> Key: FLINK-7357
> URL: https://issues.apache.org/jira/browse/FLINK-7357
> Project: Flink
> Issue Type: Bug
> Components: Table API & SQL
> Affects Versions: 1.3.1
> Reporter: Rong Rong
> Assignee: Rong Rong
>
> The following SQL does not compile:
> {code:title=invalid_having_hop_start_sql}
> SELECT
> c AS k,
> COUNT(a) AS v,
> HOP_START(rowtime, INTERVAL '1' MINUTE, INTERVAL '1' MINUTE) AS
> windowStart,
> HOP_END(rowtime, INTERVAL '1' MINUTE, INTERVAL '1' MINUTE) AS windowEnd
> FROM
> T1
> GROUP BY
> HOP(rowtime, INTERVAL '1' MINUTE, INTERVAL '1' MINUTE),
> c
> HAVING
> SUM(b) > 1
> {code}
> While individually keeping HAVING clause or HOP_START field compiles and runs
> without issue.
> more details:
> https://github.com/apache/flink/compare/master...walterddr:having_does_not_work_with_hop_start_end
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