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https://issues.apache.org/jira/browse/FLINK-3702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15432502#comment-15432502
]
ASF GitHub Bot commented on FLINK-3702:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2094#discussion_r75832360
--- Diff:
flink-core/src/main/java/org/apache/flink/api/java/typeutils/TupleTypeInfoBase.java
---
@@ -203,7 +205,26 @@ public void getFlatFields(String fieldExpression, int
offset, List<FlatFieldDesc
TypeInformation<X> typed = (TypeInformation<X>) this.types[pos];
return typed;
}
-
+
+ @Override
+ @PublicEvolving
+ public <F> FieldAccessor<T, F> getFieldAccessor(int pos,
ExecutionConfig config) {
+ return new FieldAccessor.SimpleTupleFieldAccessor<T, F>(pos,
this);
+ }
+
+ @Override
+ @PublicEvolving
+ public <F> FieldAccessor<T, F> getFieldAccessor(String fieldExpression,
ExecutionConfig config) {
+ FieldAccessor.FieldExpressionDecomposition decomp =
FieldAccessor.decomposeFieldExpression(fieldExpression);
+ int FieldPos = this.getFieldIndex(decomp.head);
--- End diff --
Should not be upper case.
> DataStream API PojoFieldAccessor doesn't support nested POJOs
> -------------------------------------------------------------
>
> Key: FLINK-3702
> URL: https://issues.apache.org/jira/browse/FLINK-3702
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Affects Versions: 1.0.0
> Reporter: Robert Metzger
> Assignee: Gabor Gevay
>
> The {{PojoFieldAccessor}} (which is used by {{.sum(String)}} and similar
> methods) doesn't support nested POJOs right now.
> As part of FLINK-3697 I'll add a check for a nested POJO and fail with an
> exception.
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