deniskuzZ commented on code in PR #5882:
URL: https://github.com/apache/hive/pull/5882#discussion_r2267137876
##########
standalone-metastore/metastore-rest-catalog/src/main/java/org/apache/iceberg/rest/HMSCachingCatalog.java:
##########
@@ -63,6 +69,48 @@ public List<Namespace> listNamespaces(Namespace nmspc)
throws NoSuchNamespaceExc
return hiveCatalog.listNamespaces(nmspc);
}
+ @Override
+ public Table loadTable(TableIdentifier identifier) {
+ final Cache<TableIdentifier, Table> cache = this.tableCache;
+ final HiveCatalog catalog = this.hiveCatalog;
+ final TableIdentifier canonicalized = identifier.toLowerCase();
+ Table cachedTable = cache.getIfPresent(canonicalized);
+ if (cachedTable != null) {
+ String location = catalog.getTableLocation(canonicalized);
+ if (location == null) {
+ LOG.debug("Table {} has no location, returning cached table without
location", canonicalized);
+ } else if (!location.equals(cachedTable.location())) {
+ LOG.debug("Cached table {} has a different location than the one in
the catalog: {} != {}",
+ canonicalized, cachedTable.location(), location);
+ // Invalidate the cached table if the location is different
+ invalidateTable(canonicalized);
+ } else {
+ LOG.debug("Returning cached table: {}", canonicalized);
+ return cachedTable;
+ }
+ }
+ Table table = cache.get(canonicalized, catalog::loadTable);
+ if (table instanceof BaseMetadataTable) {
Review Comment:
are we only supposed to cache metadata tables?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: gitbox-unsubscr...@hive.apache.org
For additional commands, e-mail: gitbox-h...@hive.apache.org
