aokolnychyi commented on a change in pull request #1796:
URL: https://github.com/apache/iceberg/pull/1796#discussion_r527937381
##########
File path: core/src/main/java/org/apache/iceberg/RemoveSnapshots.java
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@@ -78,6 +81,13 @@ public void accept(String file) {
RemoveSnapshots(TableOperations ops) {
this.ops = ops;
this.base = ops.current();
+
+ ValidationException.check(
+ PropertyUtil.propertyAsBoolean(base.properties(), GC_ENABLED,
GC_ENABLED_DEFAULT),
+ "Not allowed to expire snapshots as the garbage collection is disabled
for this table. " +
+ "Make sure this table is the exclusive owner of its data files before
allowing garbage collection. " +
+ "If the table was created using the SNAPSHOT operation, it is not safe
to expire snapshots in it since " +
+ "this may remove files in the original table.");
Review comment:
I agree that suggesting is dangerous but letting do this should be fine.
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