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https://issues.apache.org/jira/browse/FLINK-5358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15777805#comment-15777805
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ASF GitHub Bot commented on FLINK-5358:
---------------------------------------
Github user tonycox commented on a diff in the pull request:
https://github.com/apache/flink/pull/3027#discussion_r93848593
--- Diff:
flink-core/src/test/java/org/apache/flink/api/java/typeutils/TypeExtractorTest.java
---
@@ -345,8 +346,25 @@ public CustomType cross(CustomType first, Integer
second) throws Exception {
Assert.assertFalse(TypeExtractor.getForClass(PojoWithNonPublicDefaultCtor.class)
instanceof PojoTypeInfo);
}
-
+ @Test
+ public void testRow() {
--- End diff --
in different test method?
there is already Row with a null field check
`Row nullRow = new Row(2);
TypeInformation<Row> genericRowInfo = TypeExtractor.getForObject(nullRow);
Assert.assertEquals(genericRowInfo, new GenericTypeInfo<>(Row.class));`
> Support RowTypeInfo extraction in TypeExtractor by Row instance
> ---------------------------------------------------------------
>
> Key: FLINK-5358
> URL: https://issues.apache.org/jira/browse/FLINK-5358
> Project: Flink
> Issue Type: Improvement
> Reporter: Anton Solovev
> Assignee: Anton Solovev
>
> {code}
> Row[] data = new Row[]{};
> TypeInformation<X> typeInfo = TypeExtractor.getForObject(data[0]);
> {code}
> method {{getForObject}} wraps it into
> {code}
> GenericTypeInfo<org.apache.flink.types.Row>
> {code}
> the method should return {{RowTypeInfo}}
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