[HIVE-13862] org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getNumPartitionsViaSqlFilter falls back to ORM - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 2.1.0
Component/s: Metastore
Labels:
None

Hadoop Flags:

Reviewed

Description

We are seeing following exception and calls fall back to ORM which make it costly :

 WARN  org.apache.hadoop.hive.metastore.ObjectStore - Direct SQL failed, falling back to ORM
java.lang.ClassCastException: org.datanucleus.store.rdbms.query.ForwardQueryResult cannot be cast to java.lang.Number
        at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.extractSqlInt(MetaStoreDirectSql.java:892) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getNumPartitionsViaSqlFilterInternal(MetaStoreDirectSql.java:855) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getNumPartitionsViaSqlFilter(MetaStoreDirectSql.java:405) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:2763) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.ObjectStore$5.getSqlResult(ObjectStore.java:2755) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:2606) ~[hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.ObjectStore.getNumPartitionsByFilterInternal(ObjectStore.java:2770) [hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]
        at org.apache.hadoop.hive.metastore.ObjectStore.getNumPartitionsByFilter(ObjectStore.java:2746) [hive-exec-2.1.2-inm-SNAPSHOT.jar:2.1.2-inm-SNAPSHOT]