chenjunjiedada commented on code in PR #10200:
URL: https://github.com/apache/iceberg/pull/10200#discussion_r1575698957
##########
data/src/test/java/org/apache/iceberg/io/TestTaskEqualityDeltaWriter.java:
##########
@@ -409,6 +421,55 @@ public void testUpsertDataWithFullRowSchema() throws
IOException {
.isEqualTo(ImmutableList.of(posRecord.copy("file_path",
dataFile.path(), "pos", 0L)));
}
+ @TestTemplate
+ public void testDeleteFileGranularity() throws IOException {
+ withGranularity(DeleteGranularity.FILE);
+ }
+
+ @TestTemplate
+ public void testDeletePartitionGranularity() throws IOException {
+ withGranularity(DeleteGranularity.PARTITION);
+ }
+
+ private void withGranularity(DeleteGranularity granularity) throws
IOException {
+ List<Integer> eqDeleteFieldIds = Lists.newArrayList(idFieldId,
dataFieldId);
+ Schema eqDeleteRowSchema = table.schema();
+
+ GenericTaskDeltaWriter deltaWriter =
+ createTaskWriter(eqDeleteFieldIds, eqDeleteRowSchema, granularity);
+
+ Map<Integer, Record> expected = Maps.newHashMapWithExpectedSize(2000);
+ // Create enough records, so we have multiple files
+ for (int i = 0; i < 2000; ++i) {
+ Record record = createRecord(i, "aaa" + i);
+ deltaWriter.write(record);
+ if (i % 5 == 10) {
+ deltaWriter.delete(record);
+ } else {
+ expected.put(i, record);
+ }
+ }
+
+ // Add some deletes in the end
+ for (int i = 0; i < 199; ++i) {
+ int id = i * 10 + 1;
+ Record record = createRecord(id, "aaa" + id);
+ deltaWriter.delete(record);
+ expected.remove(id);
+ }
+
+ WriteResult result = deltaWriter.complete();
+ assertThat(result.dataFiles()).as("Should have 2 data files.").hasSize(2);
Review Comment:
I guess encoding and compression are working. But it might be more data
files if we use other file formats, such as Avro.
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