amogh-jahagirdar commented on code in PR #5364:
URL: https://github.com/apache/iceberg/pull/5364#discussion_r955523585


##########
core/src/main/java/org/apache/iceberg/BaseTableScan.java:
##########
@@ -86,20 +90,56 @@ public TableScan appendsAfter(long fromSnapshotId) {
   public TableScan useSnapshot(long scanSnapshotId) {
     Preconditions.checkArgument(
         snapshotId() == null, "Cannot override snapshot, already set to 
id=%s", snapshotId());
+    Preconditions.checkArgument(
+        ref() == null, "Cannot override snapshot, already set to id=%s", 
ref());
     Preconditions.checkArgument(
         tableOps().current().snapshot(scanSnapshotId) != null,
         "Cannot find snapshot with ID %s",
         scanSnapshotId);
     return newRefinedScan(
-        tableOps(), table(), tableSchema(), 
context().useSnapshotId(scanSnapshotId));
+        tableOps(),
+        table(),
+        tableSchema(),
+        
context().useRef(SnapshotRef.MAIN_BRANCH).useSnapshotId(scanSnapshotId));
+  }
+
+  @Override
+  public TableScan useRef(String name) {

Review Comment:
   Updated



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