rdblue commented on code in PR #9131:
URL: https://github.com/apache/iceberg/pull/9131#discussion_r1414414566
##########
spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/source/TestSnapshotSelection.java:
##########
@@ -425,16 +426,56 @@ public void
testSnapshotSelectionByBranchWithSchemaChange() throws IOException {
// Deleting a column to indicate schema change
table.updateSchema().deleteColumn("data").commit();
- // The data should have the deleted column as it was captured in an
earlier snapshot.
- Dataset<Row> deletedColumnBranchSnapshotResult =
- spark.read().format("iceberg").option("branch",
"branch").load(tableLocation);
- List<SimpleRecord> deletedColumnBranchSnapshotRecords =
- deletedColumnBranchSnapshotResult
- .orderBy("id")
- .as(Encoders.bean(SimpleRecord.class))
- .collectAsList();
- Assert.assertEquals(
- "Current snapshot rows should match", expectedRecords,
deletedColumnBranchSnapshotRecords);
+ // The data should not have the deleted column
+ Assertions.assertThat(
+ spark
+ .read()
+ .format("iceberg")
+ .option("branch", "branch")
+ .load(tableLocation)
+ .orderBy("id")
+ .collectAsList())
+ .containsExactly(
+ new GenericRowWithSchema(new Object[] {1}, null),
+ new GenericRowWithSchema(new Object[] {2}, null),
+ new GenericRowWithSchema(new Object[] {3}, null));
+
+ // re-introducing the column should not let the data re-appear
+ table.updateSchema().addColumn("data", Types.StringType.get()).commit();
+
+ Assertions.assertThat(
+ spark
+ .read()
+ .format("iceberg")
+ .option("branch", "branch")
+ .load(tableLocation)
+ .orderBy("id")
+ .as(Encoders.bean(SimpleRecord.class))
+ .collectAsList())
+ .containsExactly(
+ new SimpleRecord(1, null), new SimpleRecord(2, null), new
SimpleRecord(3, null));
+
+ // writing new records into the branch should work with the re-introduced
column
Review Comment:
I don't think this is an appropriate place for the write test. It should be
a new test case because this case tests the schema that is used when reading.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org
For additional commands, e-mail: issues-h...@iceberg.apache.org
