nastra commented on code in PR #16699:
URL: https://github.com/apache/iceberg/pull/16699#discussion_r3373724335
##########
spark/v3.5/spark/src/test/java/org/apache/iceberg/spark/actions/TestRewriteManifestsAction.java:
##########
@@ -196,6 +196,144 @@ public void testRewriteManifestsPreservesOptionalFields()
throws IOException {
}
}
+ @TestTemplate
+ public void testRewriteV3ManifestsPreservesFirstRowId() {
+ assumeThat(formatVersion).isGreaterThanOrEqualTo(3);
+
+ PartitionSpec spec = PartitionSpec.unpartitioned();
+ Map<String, String> options = Maps.newHashMap();
+ options.put(TableProperties.FORMAT_VERSION, String.valueOf(formatVersion));
+ Table table = TABLES.create(SCHEMA, spec, options, tableLocation);
+
+ writeRecords(Lists.newArrayList(new ThreeColumnRecord(1, null, "AAAA")));
+ writeRecords(Lists.newArrayList(new ThreeColumnRecord(2, "CCCC", "CCCC")));
+ table.refresh();
+
+ assertThat(table.currentSnapshot().dataManifests(table.io())).hasSize(2);
+
+ List<Row> rowsBefore =
+ spark
+ .read()
+ .format("iceberg")
+ .load(tableLocation)
+ .selectExpr("_row_id", "_last_updated_sequence_number", "*")
Review Comment:
I think it would be nice to use `MetadataColumns.ROW_ID` (and others) here
and below. This makes it easier when doing a search in the codebase where those
metadata cols are being used/referenced
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