rdblue commented on code in PR #6072:
URL: https://github.com/apache/iceberg/pull/6072#discussion_r1030786717
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core/src/test/java/org/apache/iceberg/TestScanPlanningAndReporting.java:
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@@ -239,12 +255,75 @@ public void
scanningWithEqualityAndPositionalDeleteFiles() throws IOException {
ScanReport scanReport = reporter.lastReport();
assertThat(scanReport).isNotNull();
+ assertThat(scanReport.schemaId()).isEqualTo(0);
+ assertThat(scanReport.projectedFieldIds()).containsExactly(1, 2);
+ assertThat(scanReport.projectedFieldNames()).containsExactly("id", "data");
+
ScanMetricsResult result = scanReport.scanMetrics();
assertThat(result.indexedDeleteFiles().value()).isEqualTo(2);
assertThat(result.equalityDeleteFiles().value()).isEqualTo(1);
assertThat(result.positionalDeleteFiles().value()).isEqualTo(1);
}
+ @Test
+ public void incrementalAppendScan() throws IOException {
+ testIncrementalScan("incremental-append-scan",
Table::newIncrementalAppendScan);
+ }
+
+ @Test
+ public void incrementalChangelogScan() throws IOException {
+ testIncrementalScan("incremental-changelog-scan",
Table::newIncrementalChangelogScan);
+ }
+
+ private <
+ S extends IncrementalScan<S, T, G>,
+ T extends ScanTask,
+ G extends ScanTaskGroup<T>,
+ X extends BaseTable>
+ void testIncrementalScan(
+ String tableName, Function<X, IncrementalScan<S, T, G>>
tableScanFunction)
+ throws IOException {
+ Table table =
+ TestTables.create(
+ tableDir, tableName, SCHEMA, SPEC, SortOrder.unsorted(),
formatVersion, reporter);
+
+ table.newAppend().appendFile(FILE_A).appendFile(FILE_D).commit();
+ table.newAppend().appendFile(FILE_B).appendFile(FILE_C).commit();
+
+ IncrementalScan<S, T, G> tableScan = tableScanFunction.apply((X) table);
+ long fromSnapshotId = 1;
+ long toSnapshotId = table.currentSnapshot().snapshotId();
+
+ try (CloseableIterable<?> scanTask =
+ tableScan.filter(Expressions.equal("data", "1")).planFiles()) {
+ scanTask.forEach(task -> {});
+ }
+
+ IncrementalScanReport scanReport = reporter.lastIncrementalReport();
+ assertThat(scanReport).isNotNull();
+
+ assertThat(scanReport.tableName()).isEqualTo(tableName);
+ assertThat(scanReport.fromSnapshotId()).isEqualTo(fromSnapshotId);
+ assertThat(scanReport.toSnapshotId()).isEqualTo(toSnapshotId);
+ assertThat(scanReport.projectedFieldIds()).containsExactly(1, 2);
+ assertThat(scanReport.projectedFieldNames()).containsExactly("id", "data");
+
+ ScanMetricsResult result = scanReport.scanMetrics();
+ assertThat(result.skippedDataFiles().value()).isEqualTo(1);
+ assertThat(result.skippedDeleteFiles().value()).isEqualTo(0);
+
assertThat(result.totalPlanningDuration().totalDuration()).isGreaterThan(Duration.ZERO);
+ assertThat(result.resultDataFiles().value()).isEqualTo(1);
+ assertThat(result.resultDeleteFiles().value()).isEqualTo(0);
Review Comment:
I think that we should come up with different counters for incremental scans
that are broken down by task.
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