rdblue commented on code in PR #9620:
URL: https://github.com/apache/iceberg/pull/9620#discussion_r1483615535
##########
core/src/main/java/org/apache/iceberg/view/ViewMetadata.java:
##########
@@ -510,5 +521,29 @@ static List<ViewHistoryEntry>
updateHistory(List<ViewHistoryEntry> history, Set<
private <U extends MetadataUpdate> Stream<U> changes(Class<U> updateClass)
{
return
changes.stream().filter(updateClass::isInstance).map(updateClass::cast);
}
+
+ private void checkIfDialectIsDropped(ViewVersion previous, ViewVersion
current) {
+ Set<String> baseDialects = sqlDialectsFor(previous);
+ Set<String> updatedDialects = sqlDialectsFor(current);
+
+ Preconditions.checkState(
+ updatedDialects.containsAll(baseDialects),
+ "Cannot replace view due to loss of view representations
(%s=false):\nPrevious representations: %s\nNew representations: %s",
Review Comment:
"representations" should be "dialects" here.
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