rdblue commented on a change in pull request #2829:
URL: https://github.com/apache/iceberg/pull/2829#discussion_r705737236
##########
File path:
spark/src/test/java/org/apache/iceberg/spark/actions/TestNewRewriteDataFilesAction.java
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@@ -590,6 +595,156 @@ public void testInvalidOptions() {
.execute());
}
+ @Test
+ public void testSortMultipleGroups() {
+ Table table = createTable(20);
+ shouldHaveFiles(table, 20);
+ table.replaceSortOrder().asc("c2").commit();
+ int fileSize = averageFileSize(table);
+
+ List<Object[]> originalData = currentData();
+
+ // Perform a rewrite but only allow 2 files to be compacted at a time
+ RewriteDataFiles.Result result =
+ basicRewrite(table)
+ .sort()
+ .option(SortStrategy.REWRITE_ALL, "true")
+ .option(RewriteDataFiles.MAX_FILE_GROUP_SIZE_BYTES,
Integer.toString(fileSize * 2 + 100))
+ .option(BinPackStrategy.MIN_INPUT_FILES, "1")
+ .execute();
+
+ Assert.assertEquals("Should have 10 fileGroups",
result.rewriteResults().size(), 10);
+
+ table.refresh();
+
+ List<Object[]> postRewriteData = currentData();
+ assertEquals("We shouldn't have changed the data", originalData,
postRewriteData);
+
+ shouldHaveSnapshots(table, 2);
+ shouldHaveACleanCache(table);
Review comment:
Shouldn't this validate that the table only has 10 files now and that
the files are sorted by c2?
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