singhpk234 commented on code in PR #1285:
URL: https://github.com/apache/polaris/pull/1285#discussion_r2051117054
##########
service/common/src/main/java/org/apache/polaris/service/catalog/iceberg/IcebergCatalogHandler.java:
##########
@@ -754,7 +769,199 @@ public LoadTableResponse updateTable(
if (isStaticFacade(catalog)) {
throw new BadRequestException("Cannot update table on static-facade
external catalogs.");
}
- return CatalogHandlers.updateTable(baseCatalog, tableIdentifier,
applyUpdateFilters(request));
+ // TODO: pending discussion if table property is right way, or a writer
specific knob is
+ // required.
+ return updateTableWithRollback(baseCatalog, tableIdentifier,
applyUpdateFilters(request));
+ }
+
+ private static TableMetadata create(TableOperations ops, UpdateTableRequest
request) {
+ request.requirements().forEach((requirement) ->
requirement.validate(ops.current()));
+ Optional<Integer> formatVersion =
+ request.updates().stream()
+ .filter((update) -> update instanceof
MetadataUpdate.UpgradeFormatVersion)
+ .map((update) -> ((MetadataUpdate.UpgradeFormatVersion)
update).formatVersion())
+ .findFirst();
+ TableMetadata.Builder builder =
+ (TableMetadata.Builder)
+ formatVersion
+ .map(TableMetadata::buildFromEmpty)
+ .orElseGet(TableMetadata::buildFromEmpty);
+ request.updates().forEach((update) -> update.applyTo(builder));
+ ops.commit((TableMetadata) null, builder.build());
+ return ops.current();
+ }
+
+ // TODO: Clean this up when CatalogHandler become extensible.
+ // Copy of CatalogHandler#update
+ private static LoadTableResponse updateTableWithRollback(
Review Comment:
This is mostly taken
[CatalogHandler#updateTable](https://github.com/apache/iceberg/blob/main/core/src/main/java/org/apache/iceberg/rest/CatalogHandlers.java#L342)
and it calling
[CatalogHandler#commit](https://github.com/apache/iceberg/blob/main/core/src/main/java/org/apache/iceberg/rest/CatalogHandlers.java#L409)
which is protected, so they are exact same except the part of rollback-logic
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