hililiwei commented on a change in pull request #3991:
URL: https://github.com/apache/iceberg/pull/3991#discussion_r793302719
##########
File path:
flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/source/RowDataFileScanTaskReader.java
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@@ -83,6 +95,12 @@ public RowDataFileScanTaskReader(Schema tableSchema, Schema
projectedSchema,
iterable = CloseableIterable.transform(iterable,
rowDataProjection::wrap);
}
+ if (projectedFields != null) {
+ RowDataNestProjection rowDataProjection =
RowDataNestProjection.create(tableSchema, projectedSchema,
+ projectedFields);
+ iterable = CloseableIterable.transform(iterable,
rowDataProjection::wrap);
+ }
+
Review comment:
Add the transform action to extract fields from the original data one by
one.
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