huaxingao commented on code in PR #13962:
URL: https://github.com/apache/iceberg/pull/13962#discussion_r2314401500
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spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/actions/SnapshotTableSparkAction.java:
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@@ -124,10 +124,12 @@ private SnapshotTable.Result doExecute() {
StagedSparkTable stagedTable = stageDestTable();
Table icebergTable = stagedTable.table();
- // TODO: Check the dest table location does not overlap with the source
table location
-
boolean threw = true;
try {
+ Preconditions.checkArgument(
+ !sourceTableLocation().equals(icebergTable.location()),
Review Comment:
I think `overlap` should also cover nested paths (either direction) and
trivial path differences (trailing slash, `..`, etc). The current check only
fails exact equality.
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