vix validation exception check

jayceslesar · jayceslesar · commit c16a3e6c2e2e · 2025-04-27T11:39:30.000-04:00
diff --git a/pyiceberg/table/update/validate.py b/pyiceberg/table/update/validate.py
@@ -65,7 +65,7 @@ def validation_history(
             ]
         )
 
-    if last_snapshot is None or last_snapshot.snapshot_id == from_snapshot.snapshot_id:
+    if last_snapshot is not None and last_snapshot.snapshot_id != from_snapshot.snapshot_id:
         raise ValidationException("No matching snapshot found.")
 
     return manifests_files, snapshots

Original file line number	Diff line number	Diff line change
`@@ -65,7 +65,7 @@ def validation_history(`
`65`	`65`	`]`
`66`	`66`	`)`
`67`	`67`
`68`		`- if last_snapshot is None or last_snapshot.snapshot_id == from_snapshot.snapshot_id:`
	`68`	`+ if last_snapshot is not None and last_snapshot.snapshot_id != from_snapshot.snapshot_id:`
`69`	`69`	`raise ValidationException("No matching snapshot found.")`
`70`	`70`
`71`	`71`	`return manifests_files, snapshots`