stiga-huang commented on code in PR #6058:
URL: https://github.com/apache/hive/pull/6058#discussion_r2435064233
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/messaging/json/JSONReloadMessage.java:
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@@ -133,6 +138,11 @@ public Partition apply(@Nullable Object input) {
});
}
+ @Override
+ public Partition getPtnObj() throws Exception {
Review Comment:
Impala is currently compiled with `getPtnObj()` so we have to add back this
method for compatibility:
https://github.com/apache/impala/blob/ebbc67cf40bd856253d07c649028888d85c772cc/fe/src/compat-hive-3/java/org/apache/impala/compat/MetastoreShim.java#L600
When it returns null, the RELOAD event will be performed on the whole table:
https://github.com/apache/impala/blob/ebbc67cf40bd856253d07c649028888d85c772cc/fe/src/main/java/org/apache/impala/catalog/events/MetastoreEvents.java#L3450-L3454
I think this is fine since if the RELOAD event is on multiple partitions,
reloading the whole table makes sure they are reloaded.
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