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From "Alexander Behm (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-9720) Metastore does not properly migrate column stats when renaming a table across databases.
Date Thu, 19 Feb 2015 06:50:12 GMT
Alexander Behm created HIVE-9720:
------------------------------------

             Summary: Metastore does not properly migrate column stats when renaming a table
across databases.
                 Key: HIVE-9720
                 URL: https://issues.apache.org/jira/browse/HIVE-9720
             Project: Hive
          Issue Type: Bug
          Components: Metastore
    Affects Versions: 0.13.1
            Reporter: Alexander Behm


It appears that the Hive Metastore does not properly migrate column statistics when renaming
a table across databases. While renaming across databases is not supported in HiveQL, it can
be done via the Metastore Thrift API.
The problem is that such a newly renamed table cannot be dropped (unless renamed back to its
original database/name).

Here are steps for reproducing the issue.

1. From the Hive shell/beeline:
{code}
create database db1;
create database db2;
create table db1.mv (i int);
use db1;
analyze table mv compute statistics for columns i;
{code}

2. From a Java program:
{code}
  public static void main(String[] args) throws Exception {
    HiveConf conf = new HiveConf(MetaStoreClientPool.class);
    HiveMetaStoreClient hiveClient = new HiveMetaStoreClient(conf);
    Table t = hiveClient.getTable("db1", "mv");
    t.setDbName("db2");
    t.setTableName("mv2");
    hiveClient.alter_table("db1", "mv", t);
  }
{code}

3. From the Hive shell/beeline:
{code}
drop table db2.mv2;
{code}

Stack shown when running 3:

{code}
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException:
Exception thrown flushing changes to datastore
	at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
	at org.datanucleus.api.jdo.JDOTransaction.commit(JDOTransaction.java:165)
	at org.apache.hadoop.hive.metastore.ObjectStore.commitTransaction(ObjectStore.java:411)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
	at com.sun.proxy.$Proxy0.commitTransaction(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_core(HiveMetaStore.java:1389)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_with_environment_context(HiveMetaStore.java:1525)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy1.drop_table_with_environment_context(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8072)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8056)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
NestedThrowablesStackTrace:
java.sql.BatchUpdateException: Batch entry 0 DELETE FROM "TBLS" WHERE "TBL_ID"='1621' was
aborted.  Call getNextException to see the cause.
	at org.postgresql.jdbc2.AbstractJdbc2Statement$BatchResultHandler.handleError(AbstractJdbc2Statement.java:2598)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1836)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:407)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeBatch(AbstractJdbc2Statement.java:2737)
	at com.jolbox.bonecp.StatementHandle.executeBatch(StatementHandle.java:424)
	at org.datanucleus.store.rdbms.ParamLoggingPreparedStatement.executeBatch(ParamLoggingPreparedStatement.java:372)
	at org.datanucleus.store.rdbms.SQLController.processConnectionStatement(SQLController.java:628)
	at org.datanucleus.store.rdbms.SQLController.processStatementsForConnection(SQLController.java:596)
	at org.datanucleus.store.rdbms.SQLController$1.transactionFlushed(SQLController.java:683)
	at org.datanucleus.store.connection.AbstractManagedConnection.transactionFlushed(AbstractManagedConnection.java:86)
	at org.datanucleus.store.connection.ConnectionManagerImpl$2.transactionFlushed(ConnectionManagerImpl.java:454)
	at org.datanucleus.TransactionImpl.flush(TransactionImpl.java:203)
	at org.datanucleus.TransactionImpl.commit(TransactionImpl.java:267)
	at org.datanucleus.api.jdo.JDOTransaction.commit(JDOTransaction.java:98)
	at org.apache.hadoop.hive.metastore.ObjectStore.commitTransaction(ObjectStore.java:411)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
	at com.sun.proxy.$Proxy0.commitTransaction(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_core(HiveMetaStore.java:1389)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_with_environment_context(HiveMetaStore.java:1525)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy1.drop_table_with_environment_context(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8072)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8056)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
)
hive> drop table db2.mv2;
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException:
Exception thrown flushing changes to datastore
	at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:451)
	at org.datanucleus.api.jdo.JDOTransaction.commit(JDOTransaction.java:165)
	at org.apache.hadoop.hive.metastore.ObjectStore.commitTransaction(ObjectStore.java:411)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
	at com.sun.proxy.$Proxy0.commitTransaction(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_core(HiveMetaStore.java:1389)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_with_environment_context(HiveMetaStore.java:1525)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy1.drop_table_with_environment_context(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8072)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8056)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
NestedThrowablesStackTrace:
java.sql.BatchUpdateException: Batch entry 0 DELETE FROM "TBLS" WHERE "TBL_ID"='1621' was
aborted.  Call getNextException to see the cause.
	at org.postgresql.jdbc2.AbstractJdbc2Statement$BatchResultHandler.handleError(AbstractJdbc2Statement.java:2598)
	at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1836)
	at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:407)
	at org.postgresql.jdbc2.AbstractJdbc2Statement.executeBatch(AbstractJdbc2Statement.java:2737)
	at com.jolbox.bonecp.StatementHandle.executeBatch(StatementHandle.java:424)
	at org.datanucleus.store.rdbms.ParamLoggingPreparedStatement.executeBatch(ParamLoggingPreparedStatement.java:372)
	at org.datanucleus.store.rdbms.SQLController.processConnectionStatement(SQLController.java:628)
	at org.datanucleus.store.rdbms.SQLController.processStatementsForConnection(SQLController.java:596)
	at org.datanucleus.store.rdbms.SQLController$1.transactionFlushed(SQLController.java:683)
	at org.datanucleus.store.connection.AbstractManagedConnection.transactionFlushed(AbstractManagedConnection.java:86)
	at org.datanucleus.store.connection.ConnectionManagerImpl$2.transactionFlushed(ConnectionManagerImpl.java:454)
	at org.datanucleus.TransactionImpl.flush(TransactionImpl.java:203)
	at org.datanucleus.TransactionImpl.commit(TransactionImpl.java:267)
	at org.datanucleus.api.jdo.JDOTransaction.commit(JDOTransaction.java:98)
	at org.apache.hadoop.hive.metastore.ObjectStore.commitTransaction(ObjectStore.java:411)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:108)
	at com.sun.proxy.$Proxy0.commitTransaction(Unknown Source)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_core(HiveMetaStore.java:1389)
	at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.drop_table_with_environment_context(HiveMetaStore.java:1525)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:106)
	at com.sun.proxy.$Proxy1.drop_table_with_environment_context(Unknown Source)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8072)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$drop_table_with_environment_context.getResult(ThriftHiveMetastore.java:8056)
	at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
	at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
	at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
	at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:244)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
)
{code}





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