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https://issues.apache.org/jira/browse/FLINK-6094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16264521#comment-16264521
]
ASF GitHub Bot commented on FLINK-6094:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4471#discussion_r152812041
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/table/validation/JoinValidationTest.scala
---
@@ -92,4 +92,85 @@ class JoinValidationTest extends TableTestBase {
util.verifyTable(resultTable, "")
}
+
+
+ private val util = streamTestUtil()
+ private val ds1 = util.addTable[(Int, Long, String)]("Table3",'a, 'b, 'c)
+ private val ds2 = util.addTable[(Int, Long, Int, String,
Long)]("Table5", 'd, 'e, 'f, 'g, 'h)
+
+ @Test(expected = classOf[ValidationException])
+ def testJoinNonExistingKey(): Unit = {
+ ds1.join(ds2)
+ // must fail. Field 'foo does not exist
+ .where('foo === 'e)
+ .select('c, 'g)
+ }
+
+ @Test(expected = classOf[ValidationException])
+ def testJoinWithNonMatchingKeyTypes(): Unit = {
+ ds1.join(ds2)
+ // must fail. Field 'a is Int, and 'g is String
+ .where('a === 'g)
+ .select('c, 'g)
+ }
+
+
--- End diff --
Remove empty line.
> Implement stream-stream proctime non-window inner join
> -------------------------------------------------------
>
> Key: FLINK-6094
> URL: https://issues.apache.org/jira/browse/FLINK-6094
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: Shaoxuan Wang
> Assignee: Hequn Cheng
>
> This includes:
> 1.Implement stream-stream proctime non-window inner join
> 2.Implement the retract process logic for join
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