RussellSpitzer commented on a change in pull request #3724:
URL: https://github.com/apache/iceberg/pull/3724#discussion_r787013624
##########
File path:
spark/v3.2/spark/src/test/java/org/apache/iceberg/spark/actions/TestRewriteDataFilesAction.java
##########
@@ -234,6 +234,139 @@ public void testBinPackWithDeletes() throws Exception {
Assert.assertEquals("7 rows are removed", total - 7, actualRecords.size());
}
+ @Test
+ public void testBinPackWithDeleteAllData() {
+ Map<String, String> options = Maps.newHashMap();
+ options.put(TableProperties.FORMAT_VERSION, "2");
+ Table table = createTablePartitioned(1, 1, options);
+ shouldHaveFiles(table, 1);
+ table.refresh();
+
+ CloseableIterable<FileScanTask> tasks = table.newScan().planFiles();
+ List<DataFile> dataFiles =
Lists.newArrayList(CloseableIterable.transform(tasks, FileScanTask::file));
+ int total = (int)
dataFiles.stream().mapToLong(ContentFile::recordCount).sum();
+
+ RowDelta rowDelta = table.newRowDelta();
+ // remove all data
+ writePosDeletesToFile(table, dataFiles.get(0), total)
+ .forEach(rowDelta::addDeletes);
+
+ rowDelta.commit();
+ table.refresh();
+ List<Object[]> expectedRecords = currentData();
+ Result result = actions().rewriteDataFiles(table)
+ .option(BinPackStrategy.MIN_FILE_SIZE_BYTES, "0")
+ .option(RewriteDataFiles.TARGET_FILE_SIZE_BYTES,
Long.toString(Long.MAX_VALUE - 1))
+ .option(BinPackStrategy.MAX_FILE_SIZE_BYTES,
Long.toString(Long.MAX_VALUE))
+ .option(BinPackStrategy.DELETE_FILE_THRESHOLD, "1")
+ .option(RewriteDataFiles.USE_STARTING_SEQUENCE_NUMBER, "false")
+ .execute();
+ Assert.assertEquals("Action should rewrite 1 data files", 1,
result.rewrittenDataFilesCount());
+
+ List<Object[]> actualRecords = currentData();
+ assertEquals("Rows must match", expectedRecords, actualRecords);
+ Assert.assertEquals(
+ "Data manifest should not have existing data file",
+ 0,
+ (long)
table.currentSnapshot().dataManifests().get(0).existingFilesCount());
+ Assert.assertEquals("Data manifest should have 1 delete data file",
+ 1L,
+ (long)
table.currentSnapshot().dataManifests().get(0).deletedFilesCount());
+ Assert.assertEquals(
+ "Delete manifest added row count should equal total count",
+ total,
+ (long)
table.currentSnapshot().deleteManifests().get(0).addedRowsCount());
+ }
+
+ @Test
+ public void testBinPackWithDeleteAllDataAndSeqNum() {
+ Map<String, String> options = Maps.newHashMap();
Review comment:
This test shouldn't be any different right? The differing starting
sequence number shouldn't matter to this all data is deleted rewrite?
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