pvary commented on code in PR #15906:
URL: https://github.com/apache/iceberg/pull/15906#discussion_r3099863804
##########
data/src/test/java/org/apache/iceberg/data/BaseFormatModelTests.java:
##########
@@ -628,6 +644,239 @@ 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();
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+ DataFile dataFile = writeGenericRecords(fileFormat, schema,
genericRecords);
+
+ assertThat(dataFile).isNotNull();
+ assertThat(dataFile.recordCount()).isEqualTo(genericRecords.size());
+
+ assertValueAndNullCounts(
+ fileFormat, schema, genericRecords, dataFile.valueCounts(),
dataFile.nullValueCounts());
+ assertBounds(
+ fileFormat, schema, genericRecords, dataFile.lowerBounds(),
dataFile.upperBounds());
+
+ assertThat(dataFile.columnSizes()).isNotNull().isNotEmpty();
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDataWriterMetricsWithNoneMode(FileFormat fileFormat) throws
IOException {
+ 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);
+ List<Record> genericRecords = dataGenerator.generateRecords();
+ DataFile dataFile = writeGenericRecords(fileFormat, schema,
genericRecords, noneConfig);
+
+ assertThat(dataFile).isNotNull();
+ assertThat(dataFile.recordCount()).isEqualTo(genericRecords.size());
+
+ assertCountsNull(fileFormat, schema, dataFile.valueCounts(),
dataFile.nullValueCounts());
+ assertBoundsNull(fileFormat, schema, dataFile.lowerBounds(),
dataFile.upperBounds());
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDataWriterMetricsWithCountsMode(FileFormat fileFormat) throws
IOException {
+ 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);
+
+ List<Record> genericRecords = dataGenerator.generateRecords();
+ DataFile dataFile = writeGenericRecords(fileFormat, schema,
genericRecords, countsConfig);
+
+ 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(
+ fileFormat, schema, genericRecords, dataFile.valueCounts(),
dataFile.nullValueCounts());
+ assertBoundsNull(fileFormat, schema, dataFile.lowerBounds(),
dataFile.upperBounds());
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testEqualityDeleteWriterMetricsCollection(FileFormat fileFormat) throws
IOException {
+ DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
+ Schema schema = dataGenerator.schema();
+ FileWriterBuilder<EqualityDeleteWriter<Record>, Object> writerBuilder =
+ FormatModelRegistry.equalityDeleteWriteBuilder(fileFormat,
Record.class, encryptedFile);
+
+ EqualityDeleteWriter<Record> writer =
Review Comment:
MetricsConfig could be a parameter, or we can create a method for
`MetricsConfig countsConfig = metricsConfig("counts")`
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