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[core] Snapshot table add next_row_id #6983

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Merged
JingsongLi merged 3 commits into from
Jan 8, 2026
+12 −4
Merged

[core] Snapshot table add next_row_id #6983

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55ce01c
[core] Add nextRowId for snapshot table
leaves12138 Jan 6, 2026
62babec
Add test
leaves12138 Jan 8, 2026
227c4dc
Fix minus
leaves12138 Jan 8, 2026
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6 changes: 4 additions & 2 deletions paimon-core/src/main/java/org/apache/paimon/table/system/SnapshotsTable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,8 @@ public class SnapshotsTable implements ReadonlyTable {
new DataField(9, "total_record_count", new BigIntType(true)),
new DataField(10, "delta_record_count", new BigIntType(true)),
new DataField(11, "changelog_record_count", new BigIntType(true)),
new DataField(12, "watermark", new BigIntType(true))));
new DataField(12, "watermark", new BigIntType(true)),
new DataField(13, "next_row_id", new BigIntType(true))));

private final FileIO fileIO;
private final Path location;
Expand Down Expand Up @@ -331,7 +332,8 @@ private InternalRow toRow(Snapshot snapshot) {
snapshot.totalRecordCount(),
snapshot.deltaRecordCount(),
snapshot.changelogRecordCount(),
snapshot.watermark());
snapshot.watermark(),
snapshot.nextRowId());
}
}
}
3 changes: 2 additions & 1 deletion paimon-core/src/test/java/org/apache/paimon/table/system/SnapshotsTableTest.java
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Expand Up @@ -117,7 +117,8 @@ private List<InternalRow> getExpectedResult(long[] snapshotIds) {
snapshot.totalRecordCount(),
snapshot.deltaRecordCount(),
snapshot.changelogRecordCount(),
snapshot.watermark()));
snapshot.watermark(),
snapshot.nextRowId()));
}

return expectedRow;
Expand Down
7 changes: 6 additions & 1 deletion ...n-flink/paimon-flink-common/src/test/java/org/apache/paimon/flink/CatalogTableITCase.java
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Expand Up @@ -73,7 +73,8 @@ public void testNotExistMetadataTable() {

@Test
public void testSnapshotsTable() throws Exception {
sql("CREATE TABLE T (a INT, b INT)");
sql(
"CREATE TABLE T (a INT, b INT) WITH ('row-tracking.enabled' = 'true', 'data-evolution.enabled' = 'true')");
sql("INSERT INTO T VALUES (1, 2)");
sql("INSERT INTO T VALUES (3, 4)");
sql("INSERT INTO T VALUES (5, 6)");
Expand Down Expand Up @@ -136,6 +137,10 @@ public void testSnapshotsTable() throws Exception {
Row.of(1L, 0L, "APPEND"),
Row.of(2L, 0L, "APPEND"),
Row.of(3L, 0L, "APPEND"));

result = sql("SELECT next_row_id FROM T$snapshots");

assertThat(result).contains(Row.of(1L), Row.of(2L), Row.of(3L));
}

@Test
Expand Down