szehon-ho commented on code in PR #6980:
URL: https://github.com/apache/iceberg/pull/6980#discussion_r1124837795
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spark/v3.3/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestMetadataTables.java:
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@@ -488,6 +493,70 @@ public void testMetadataLogEntries() throws Exception {
metadataLogWithProjection);
}
+ @Test
+ public void testFilesTableTimeTravelWithSchemaEvolution() throws Exception {
+ // Create table and insert data
+ sql(
+ "CREATE TABLE %s (id bigint, data string) "
+ + "USING iceberg "
+ + "PARTITIONED BY (data) "
+ + "TBLPROPERTIES"
+ + "('format-version'='2', 'write.delete.mode'='merge-on-read')",
+ tableName);
+
+ List<SimpleRecord> recordsA =
+ Lists.newArrayList(new SimpleRecord(1, "a"), new SimpleRecord(2, "a"));
+ spark
+ .createDataset(recordsA, Encoders.bean(SimpleRecord.class))
+ .coalesce(1)
+ .writeTo(tableName)
+ .append();
+
+ Table table = Spark3Util.loadIcebergTable(spark, tableName);
+
+ table.updateSchema().addColumn("category",
Types.StringType.get()).commit();
+
+ List<Row> newRecords =
+ Lists.newArrayList(RowFactory.create(3, "b", "c"),
RowFactory.create(4, "b", "c"));
+
+ StructType newSparkSchema =
+ SparkSchemaUtil.convert(
+ new Schema(
+ optional(1, "id", Types.IntegerType.get()),
+ optional(2, "data", Types.StringType.get()),
+ optional(3, "category", Types.StringType.get())));
+
+ spark.createDataFrame(newRecords,
newSparkSchema).coalesce(1).writeTo(tableName).append();
+
+ Long currentSnapshotId = table.currentSnapshot().snapshotId();
+
+ Dataset<Row> actualFilesDs =
+ spark.sql(
+ "SELECT * FROM "
+ + tableName
+ + ".files VERSION AS OF "
+ + currentSnapshotId
+ + " ORDER BY content");
+ List<Row> actualFiles =
TestHelpers.selectNonDerived(actualFilesDs).collectAsList();
+ Schema entriesTableSchema = Spark3Util.loadIcebergTable(spark, tableName +
".entries").schema();
+ List<ManifestFile> expectedDataManifests =
TestHelpers.dataManifests(table);
+ List<Record> expectedFiles =
+ expectedEntries(table, FileContent.DATA, entriesTableSchema,
expectedDataManifests, null);
+
+ Assert.assertEquals("actualFiles size should be 1", 2, actualFiles.size());
Review Comment:
Minor: One more fix here for the assert message
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