ajantha-bhat commented on issue #3849:
URL: https://github.com/apache/iceberg/issues/3849#issuecomment-1006286239
@naveenkrdremio
I tried in 0.12.1 with my own testcase. I didn't face the issue. My testcase:
```
sql("CREATE TABLE %s (id bigint NOT NULL, data string) USING iceberg",
tableName);
sql("INSERT INTO TABLE %s VALUES (1, 'a')", tableName);
sql("INSERT INTO TABLE %s VALUES (2, 'b')", tableName);
Table table = validationCatalog.loadTable(tableIdent);
Assert.assertEquals("Should be 2 snapshots", 2,
Iterables.size(table.snapshots()));
waitUntilAfter(table.currentSnapshot().timestampMillis());
sql("ALTER TABLE %s ADD COLUMN count1 int", tableName);
sql("INSERT INTO TABLE %s VALUES (2, 'c', 10)", tableName);
Timestamp currentTimestamp =
Timestamp.from(Instant.ofEpochMilli(System.currentTimeMillis()));
table = validationCatalog.loadTable(tableIdent);
List<Long> id = new ArrayList<>();
table.snapshots().forEach(x -> id.add(x.snapshotId()));
table.expireSnapshots().expireSnapshotId(id.get(id.size() - 2)).commit();
```
Few observations:
From your description, In V24 optional schema-id in the snapshots field is
missing. But In V23 also I can see it is missing for the first snapshot. So,
V23 also undergone expire snapshots ?
As Russell said better to narrow down further.
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