wooyeong commented on code in PR #9455:
URL: https://github.com/apache/iceberg/pull/9455#discussion_r1475687874
##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/source/SparkTable.java:
##########
@@ -131,12 +133,12 @@ public SparkTable(Table icebergTable, boolean
refreshEagerly) {
public SparkTable(Table icebergTable, String branch, boolean refreshEagerly)
{
this(icebergTable, refreshEagerly);
this.branch = branch;
+ final Snapshot snapshot = icebergTable.snapshot(branch);
ValidationException.check(
- branch == null
- || SnapshotRef.MAIN_BRANCH.equals(branch)
- || icebergTable.snapshot(branch) != null,
+ branch == null || SnapshotRef.MAIN_BRANCH.equals(branch) || snapshot
!= null,
"Cannot use branch (does not exist): %s",
branch);
+ this.snapshotId = snapshot.snapshotId();
Review Comment:
I somewhat agree with you. While a given snapshot ID is constant, a given
branch may change its state.
My first proposal was to check `name`, `branch`, and `snapshotId` together,
and as we cannot set both `branch` and `snapshotId`, we can have only one
choice, thus this may be a reasonable approach.
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