Fokko commented on code in PR #14163:
URL: https://github.com/apache/iceberg/pull/14163#discussion_r2372021034
##########
spark/v4.0/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestSnapshotTableProcedure.java:
##########
@@ -281,5 +298,61 @@ public void testSnapshotPartitionedWithParallelism()
throws IOException {
"Should have expected rows",
ImmutableList.of(row("a", 1L), row("b", 2L)),
sql("SELECT * FROM %s ORDER BY id", tableName));
+
+ Table createdTable = validationCatalog.loadTable(tableIdent);
+
+ for (ManifestFile manifest :
+ createdTable.currentSnapshot().dataManifests(new HadoopFileIO(new
Configuration()))) {
+ try (AvroIterable<GenericData.Record> reader =
+ Avro.read(org.apache.iceberg.Files.localInput(manifest.path()))
+ .project(SNAPSHOT_ID_READ_SCHEMA)
+ .createResolvingReader(GenericAvroReader::create)
+ .build()) {
+
+ assertThat(reader.getMetadata().get("format-version")).isEqualTo("2");
+
+ List<GenericData.Record> records =
Lists.newArrayList(reader.iterator());
+ for (GenericData.Record row : records) {
+ assertThat(row.get(0)).as("Field-ID should be inherited").isNull();
+ }
+ }
+ }
+ }
+
+ @TestTemplate
+ public void testSnapshotPartitionedWithParallelismV1() throws IOException {
+ String location = Files.createTempDirectory(temp,
"junit").toFile().toString();
+ sql(
+ "CREATE TABLE %s (id bigint NOT NULL, data string) USING parquet
PARTITIONED BY (id) LOCATION '%s'",
+ SOURCE_NAME, location);
+ sql("INSERT INTO TABLE %s (id, data) VALUES (1, 'a'), (2, 'b')",
SOURCE_NAME);
+ List<Object[]> result =
+ sql(
+ "CALL %s.system.snapshot(source_table => '%s', table => '%s',
parallelism => %d, properties => map('format-version', '1'))",
Review Comment:
I tried this first, but I could not reproduce the underlying issue. It turns
out that the partitioned table takes a different branch in the code if the
table is partitioned, and this causes the issue:
https://github.com/apache/iceberg/blob/6b80e5c42beb856be5c84c00b9f96d7ff268a7d7/spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/SparkTableUtil.java#L590-L608
With the unpartitioned table, I'm unable to reproduce the issue.
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