RussellSpitzer commented on code in PR #9803:
URL: https://github.com/apache/iceberg/pull/9803#discussion_r1504796806
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spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/actions/TestRewriteDataFilesAction.java:
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@@ -1463,6 +1449,176 @@ public void testSnapshotProperty() {
assertThat(table.currentSnapshot().summary()).containsKeys(commitMetricsKeys);
}
+ @Test
+ public void testBinPackRewriterWithSpecificOutputSpec() {
+ Table table = createTable(10);
+ shouldHaveFiles(table, 10);
+ Integer previousSpecId = table.spec().specId();
+ // create multiple partition specs with different commit
+ table.updateSpec().addField(Expressions.truncate("c2", 2)).commit();
+ table.updateSpec().addField(Expressions.bucket("c3", 2)).commit();
+
+ /*
+ This is how the table.specs() look like
+ specId :: PartitionSpec
+ 0::[]
+ 1::[
+ 1000: c2_trunc_2: truncate[2](2)
+ ]
+ 2::[
+ 1000: c2_trunc_2: truncate[2](2)
+ 1001: c3_bucket_2: bucket[2](3)
+ ]
+ */
+ // rewrite to the truncate("c2", 2)
+ int outputSpecId = table.specs().size() - 2;
Review Comment:
why not just use previous spec id? (Note we should probably have a write to
unpartitioned spec id test")
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