joyhaldar commented on code in PR #16638:
URL: https://github.com/apache/iceberg/pull/16638#discussion_r3353230771
##########
data/src/test/java/org/apache/iceberg/data/BaseFormatModelTests.java:
##########
@@ -696,49 +733,390 @@ void testReaderBuilderReuseContainers(FileFormat
fileFormat) throws IOException
}
@ParameterizedTest
- @FieldSource("FILE_FORMATS")
- void testReaderSchemaEvolutionNewColumnWithDefault(FileFormat fileFormat)
throws IOException {
+ @FieldSource("FORMAT_AND_PRIMITIVE_DEFAULTS")
+ void testReaderSchemaEvolutionNewColumnWithDefault(
+ FileFormat fileFormat, Type.PrimitiveType type, Literal<?> defaultValue)
throws IOException {
assumeSupports(fileFormat, FEATURE_READER_DEFAULT);
+
DataGenerator dataGenerator = new DataGenerators.DefaultSchema();
Schema writeSchema = dataGenerator.schema();
List<Record> genericRecords = dataGenerator.generateRecords();
writeGenericRecords(fileFormat, writeSchema, genericRecords);
- String defaultStringValue = "default_value";
- int defaultIntValue = 42;
-
int maxFieldId =
writeSchema.columns().stream().mapToInt(Types.NestedField::fieldId).max().orElse(0);
List<Types.NestedField> evolvedColumns =
Lists.newArrayList(writeSchema.columns());
evolvedColumns.add(
- Types.NestedField.required("col_f")
+ Types.NestedField.optional("col_with_default")
.withId(maxFieldId + 1)
- .ofType(Types.StringType.get())
- .withInitialDefault(Literal.of(defaultStringValue))
- .build());
- evolvedColumns.add(
- Types.NestedField.optional("col_g")
- .withId(maxFieldId + 2)
- .ofType(Types.IntegerType.get())
- .withInitialDefault(Literal.of(defaultIntValue))
+ .ofType(type)
+ .withInitialDefault(defaultValue)
.build());
Schema evolvedSchema = new Schema(evolvedColumns);
- readAndAssertGenericRecords(
+ readAndAssertGenericRecords(fileFormat, evolvedSchema, genericRecords);
+ }
+
+ @ParameterizedTest
+ @FieldSource("FILE_FORMATS")
+ void testDefaultValues(FileFormat fileFormat) throws IOException {
Review Comment:
`testSchemaEvolutionAddColumn` adds plain optional columns, read back as
`null`, this one checks columns with defaults get the default injected and that
a present value isn't overwritten. There's some overlap with the new
`testPrimitiveDefaultValues` too. @pvary @Guosmilesmile, should I remove
`testDefaultValues` and `testNullDefaultValue` which overlaps similarly, if you
think they're covered, or keep them. What do you think?
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