dengzhhu653 commented on code in PR #5929:
URL: https://github.com/apache/hive/pull/5929#discussion_r2199316556
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java:
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@@ -9517,6 +9517,9 @@ public Map<String, String>
updateTableColumnStatistics(ColumnStatistics colStats
// So let's not use them anywhere unless absolutely necessary.
String catName = statsDesc.isSetCatName() ? statsDesc.getCatName() :
getDefaultCatalog(conf);
MTable mTable = ensureGetMTable(catName, statsDesc.getDbName(),
statsDesc.getTableName());
+ lockForUpdate("TBLS", "TBL_ID", "\"TBL_ID\" = " + mTable.getId());
Review Comment:
As far as I know it won't prevent others from reading the whole `TBLS`, the
cases affected in HMS are dropping/altering this `TBL_ID` table, and dropping
the database where this table sits.
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