Guosmilesmile commented on code in PR #15633:
URL: https://github.com/apache/iceberg/pull/15633#discussion_r2943999974
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data/src/test/java/org/apache/iceberg/data/BaseFormatModelTests.java:
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@@ -317,6 +314,306 @@ void
testPositionDeleteWriterEngineWriteGenericRead(FileFormat fileFormat) throw
DataTestHelpers.assertEquals(positionDeleteSchema.asStruct(), records,
readRecords);
}
+ @ParameterizedTest
+ @FieldSource("FORMAT_AND_GENERATOR")
+ /** Write with Generic Record, read with projected engine type T (narrow
schema) */
+ void testReaderBuilderProjection(FileFormat fileFormat, DataGenerator
dataGenerator)
+ throws IOException {
+ Schema fullSchema = dataGenerator.schema();
+
+ List<Types.NestedField> columns = fullSchema.columns();
+ Schema projectedSchema = new Schema(columns.get(columns.size() - 1));
Review Comment:
I chang for the project part, select the odd-numbered fields.
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