Guosmilesmile commented on code in PR #15906:
URL: https://github.com/apache/iceberg/pull/15906#discussion_r3091457121
##########
data/src/test/java/org/apache/iceberg/data/BaseFormatModelTests.java:
##########
@@ -628,6 +639,326 @@ void
testReaderBuilderRecordsPerBatchNotSupported(FileFormat fileFormat) throws
.isInstanceOf(UnsupportedOperationException.class);
}
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDataWriterMetricsCollection(FileFormat fileFormat) throws
IOException {
+ DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
+ Schema schema = dataGenerator.schema();
+ FileWriterBuilder<DataWriter<Record>, Object> writerBuilder =
+ FormatModelRegistry.dataWriteBuilder(fileFormat, Record.class,
encryptedFile);
+
+ DataWriter<Record> writer =
+
writerBuilder.schema(schema).spec(PartitionSpec.unpartitioned()).build();
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+
+ try (writer) {
+ genericRecords.forEach(writer::write);
+ }
+
+ DataFile dataFile = writer.toDataFile();
+
+ assertThat(dataFile).isNotNull();
+ assertThat(dataFile.recordCount()).isEqualTo(genericRecords.size());
+
+ // AVRO Only support metric collection with rowCount
+ assumeSupports(fileFormat, FEATURE_METRIC_COLLECT);
+
+ assertValueAndNullCounts(
+ schema, genericRecords, dataFile.valueCounts(),
dataFile.nullValueCounts());
+ assertBounds(schema, genericRecords, dataFile.lowerBounds(),
dataFile.upperBounds());
+
+ assertThat(dataFile.columnSizes()).isNotNull().isNotEmpty();
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDataWriterMetricsWithNoneMode(FileFormat fileFormat) throws
IOException {
+
+ // AVRO Only support metric collection with rowCount
+ assumeSupports(fileFormat, FEATURE_METRIC_COLLECT);
+
+ DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
+ Schema schema = dataGenerator.schema();
+
+ TestTables.TestTable table =
+ TestTables.create(
+ tableDir,
+ "test",
+ schema,
+ PartitionSpec.unpartitioned(),
+ 3,
+ ImmutableMap.of(TableProperties.DEFAULT_WRITE_METRICS_MODE,
"none"));
+
+ MetricsConfig noneConfig = MetricsConfig.forTable(table);
+
+ FileWriterBuilder<DataWriter<Record>, Object> writerBuilder =
+ FormatModelRegistry.dataWriteBuilder(fileFormat, Record.class,
encryptedFile);
+
+ DataWriter<Record> writer =
+ writerBuilder
+ .schema(schema)
+ .spec(PartitionSpec.unpartitioned())
+ .metricsConfig(noneConfig)
+ .build();
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+
+ try (writer) {
+ genericRecords.forEach(writer::write);
+ }
+
+ DataFile dataFile = writer.toDataFile();
+
+ assertThat(dataFile).isNotNull();
+ assertThat(dataFile.recordCount()).isEqualTo(genericRecords.size());
+
+ // In `None` mode, `valueCounts`, `nullValueCounts`, `lowerBounds`, and
`upperBounds` should be
+ // empty/null.
+ for (Types.NestedField field : schema.columns()) {
+ if (field.type().isPrimitiveType()) {
+ assertThat(dataFile.valueCounts().get(field.fieldId())).isNull();
+ assertThat(dataFile.nullValueCounts().get(field.fieldId())).isNull();
+ assertThat(dataFile.lowerBounds().get(field.fieldId())).isNull();
+ assertThat(dataFile.upperBounds().get(field.fieldId())).isNull();
+ }
+ }
+
+ TestTables.clearTables();
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDataWriterMetricsWithCountsMode(FileFormat fileFormat) throws
IOException {
+ // AVRO Only support metric collection with rowCount
+ assumeSupports(fileFormat, FEATURE_METRIC_COLLECT);
+
+ DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
+ Schema schema = dataGenerator.schema();
+ TestTables.TestTable table =
+ TestTables.create(
+ tableDir,
+ "test",
+ schema,
+ PartitionSpec.unpartitioned(),
+ 3,
+ ImmutableMap.of(TableProperties.DEFAULT_WRITE_METRICS_MODE,
"counts"));
+
+ MetricsConfig countsConfig = MetricsConfig.forTable(table);
+
+ FileWriterBuilder<DataWriter<Record>, Object> writerBuilder =
+ FormatModelRegistry.dataWriteBuilder(fileFormat, Record.class,
encryptedFile);
+
+ DataWriter<Record> writer =
+ writerBuilder
+ .schema(schema)
+ .spec(PartitionSpec.unpartitioned())
+ .metricsConfig(countsConfig)
+ .build();
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+
+ try (writer) {
+ genericRecords.forEach(writer::write);
+ }
+
+ DataFile dataFile = writer.toDataFile();
+
+ assertThat(dataFile).isNotNull();
+ assertThat(dataFile.recordCount()).isEqualTo(genericRecords.size());
+
+ // In the counts mode, valueCounts and nullValueCounts should be present,
while lowerBounds and
+ // upperBounds should be null.
+ assertValueAndNullCounts(
+ schema, genericRecords, dataFile.valueCounts(),
dataFile.nullValueCounts());
+ assertBoundsNull(schema, dataFile.lowerBounds(), dataFile.upperBounds());
+
+ TestTables.clearTables();
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testEqualityDeleteWriterMetricsCollection(FileFormat fileFormat) throws
IOException {
+
+ // AVRO Only support metric collection with rowCount
+ assumeSupports(fileFormat, FEATURE_METRIC_COLLECT);
+
+ DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
+ Schema schema = dataGenerator.schema();
+ FileWriterBuilder<EqualityDeleteWriter<Record>, Object> writerBuilder =
+ FormatModelRegistry.equalityDeleteWriteBuilder(fileFormat,
Record.class, encryptedFile);
+
+ EqualityDeleteWriter<Record> writer =
+ writerBuilder
+ .schema(schema)
+ .spec(PartitionSpec.unpartitioned())
+ .equalityFieldIds(1)
+ .build();
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+
+ try (writer) {
+ genericRecords.forEach(writer::write);
+ }
+
+ DeleteFile deleteFile = writer.toDeleteFile();
+
+ assertThat(deleteFile).isNotNull();
+ assertThat(deleteFile.recordCount()).isEqualTo(genericRecords.size());
+
+ assertValueAndNullCounts(
+ schema, genericRecords, deleteFile.valueCounts(),
deleteFile.nullValueCounts());
+ assertBounds(schema, genericRecords, deleteFile.lowerBounds(),
deleteFile.upperBounds());
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testPositionDeleteWriterMetricsSingleFile(FileFormat fileFormat) throws
IOException {
+ Schema positionDeleteSchema = DeleteSchemaUtil.pathPosSchema();
Review Comment:
I've refined the code again; let's take a look at how it works.
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