slfan1989 commented on code in PR #13962:
URL: https://github.com/apache/iceberg/pull/13962#discussion_r2317632371
##########
spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/actions/SnapshotTableSparkAction.java:
##########
@@ -222,4 +224,22 @@ public SnapshotTableSparkAction tableLocation(String
location) {
this.destTableLocation = location;
return this;
}
+
+ private void checkLocationOverlap(String sourceTableLocation, String
icebergTableLocation) {
+ String normalizedSourceLocation = normalizePath(sourceTableLocation);
+ String normalizedIcebergLocation = normalizePath(icebergTableLocation);
+
+ Preconditions.checkArgument(
+ !normalizedIcebergLocation.startsWith(normalizedSourceLocation),
+ "The destination table location overlaps with the source table
location");
+
+ String sourceParentLocation = new
File(normalizedSourceLocation).getParent();
+ Preconditions.checkArgument(
+ !normalizedIcebergLocation.equals(normalizePath(sourceParentLocation)),
+ "The destination table location overlaps with the source table's
parent directory");
+ }
Review Comment:
Thank you for your suggestion! I believe it is reasonable, and I have made
the changes to the code based on your feedback.
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