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From "Gopal Vijayaraghavan (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-22520) MS-SQL server: Load partition throws error in TxnHandler (ACID dataset)
Date Thu, 21 Nov 2019 04:03:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-22520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16978961#comment-16978961
] 

Gopal Vijayaraghavan commented on HIVE-22520:
---------------------------------------------

https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/tools/SQLGenerator.java#L161

There's a loop here to avoid this particular bug.

{code}
        insertPreparedStmts = sqlGenerator.createInsertValuesPreparedStmt(dbConn,
            "TXN_COMPONENTS (tc_txnid, tc_database, tc_table, tc_partition, tc_operation_type,
tc_writeid)",
                rows, paramsList);
        for(PreparedStatement pst : insertPreparedStmts) {
          modCount = pst.executeUpdate();
        }
{code}

> MS-SQL server: Load partition throws error in TxnHandler (ACID dataset)
> -----------------------------------------------------------------------
>
>                 Key: HIVE-22520
>                 URL: https://issues.apache.org/jira/browse/HIVE-22520
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 3.1.2
>            Reporter: Rajesh Balamohan
>            Priority: Major
>
> When loading ACID table with MS-SQL server as backend, it ends up throwing following
exception.
>  
> {noformat}
>  thrift.ProcessFunction: Internal error processing add_dynamic_partitions
> org.apache.hadoop.hive.metastore.api.MetaException: Unable to insert into from transaction
database com.microsoft.sqlserver.jdbc.SQLServerException: The incoming request has too many
parameters. The server supports a maximum of 2100 parameters. Reduce the number of parameters
and resend the request.
>         at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:254)
>         at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1608)
>         at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatement(SQLServerPreparedStatement.java:578)
>         at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtExecCmd.doExecute(SQLServerPreparedStatement.java:508)
>         at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7240)
>         at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2869)
>         at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:243)
>         at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:218)
>         at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeUpdate(SQLServerPreparedStatement.java:461)
>         at com.zaxxer.hikari.pool.ProxyPreparedStatement.executeUpdate(ProxyPreparedStatement.java:61)
>         at com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeUpdate(HikariProxyPreparedStatement.java)
>         at org.apache.hadoop.hive.metastore.txn.TxnHandler.addDynamicPartitions(TxnHandler.java:3149)
>         at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.add_dynamic_partitions(HiveMetaStore.java:7824)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)
>         at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)
>         at com.sun.proxy.$Proxy32.add_dynamic_partitions(Unknown Source)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$add_dynamic_partitions.getResult(ThriftHiveMetastore.java:19038)
>         at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Processor$add_dynamic_partitions.getResult(ThriftHiveMetastore.java:19022)
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)
>         at org.apache.hadoop.hive.metastore.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:48)
>         at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>         at java.lang.Thread.run(Thread.java:748)
> {noformat}
> https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java#L3258
>  



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