deniskuzZ commented on code in PR #6379:
URL: https://github.com/apache/hive/pull/6379#discussion_r3362200454
##########
ql/src/java/org/apache/hadoop/hive/llap/ProactiveEviction.java:
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@@ -233,19 +224,28 @@ public
List<LlapDaemonProtocolProtos.EvictEntityRequestProto> toProtoRequests()
* @return true if cacheTag matches and the related buffer is eligible for
proactive eviction, false otherwise.
*/
public boolean isTagMatch(CacheTag cacheTag) {
- String db = getSingleDbName();
+ String[] names = cacheTag.getTableName().split("\\.");
+ String catalog = Warehouse.DEFAULT_CATALOG_NAME;
+ String db = null;
+ if (names.length == 2) {
+ db = names[0];
+ } else if (names.length == 3) {
+ catalog = names[0];
+ db = names[1];
+ }
if (db == null) {
- // Number of DBs in the request was not exactly 1.
- throw new UnsupportedOperationException("Predicate only implemented
for 1 DB case.");
+ // Number of (catalog, DB) pairs in the request was not exactly 1.
+ throw new UnsupportedOperationException("Predicate only implemented
for 1 catalog and 1 DB case.");
Review Comment:
do we need to throw exception?
````
if (db == null) {
// Unexpected tag shape: 1 part, or >3 parts (e.g. an Iceberg
metadata-table tag
// "cat.db.tbl.<metaRef>"). Not a DROP target, so it can't match -
skip it. Must not throw:
// this predicate runs over every cached buffer, so an exception
here would abort the whole
// eviction sweep.
return false;
}
````
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