[ 
https://issues.apache.org/jira/browse/HIVE-23103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17071493#comment-17071493
 ] 

Hive QA commented on HIVE-23103:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12998250/HIVE-23103.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 179 failed/errored test(s), 18142 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns.testGetValidWriteIds 
(batchId=241)
org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns.testOpenTxnNotExcluded 
(batchId=241)
org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns.testTxns (batchId=241)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.otherCatalog[Remote] 
(batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionArchivedPartition[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionBogusCatalog[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameBogusCatalog[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameEmptyName[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameInvalidNameFormat[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameInvalidNameNoValues[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameInvalidName[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameLessValue[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameMoreValue[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameNonExistingDB[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameNonExistingPart[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameNonExistingTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByNameNullName[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionByName[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteDataAndPurgeExternalTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteDataAndPurge[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteDataNoPurge[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteDataPurge[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteData[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionDeleteParentDir[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionEmptyDB[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionEmptyPartVals[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionEmptyTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionEmptyVal[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionExternalTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionLessValsInList[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionMoreValsInList[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNonExistingDB[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNonExistingPartVals[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNonExistingTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNotDeleteDataPurge[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNotDeleteData[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNullDB[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNullPartDropOptions[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNullPartVals[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNullTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionNullVal[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartitionPurgeSetInTable[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.client.TestDropPartitions.testDropPartition[Remote]
 (batchId=230)
org.apache.hadoop.hive.metastore.txn.TestTxnHandler.testAbortTxn (batchId=318)
org.apache.hadoop.hive.metastore.txn.TestTxnHandler.testAbortTxns (batchId=318)
org.apache.hadoop.hive.metastore.txn.TestTxnHandler.testReplAllocWriteId 
(batchId=318)
org.apache.hadoop.hive.metastore.txn.TestTxnHandler.testReplOpenTxn 
(batchId=318)
org.apache.hadoop.hive.metastore.txn.TestTxnHandler.testReplTimeouts 
(batchId=318)
org.apache.hadoop.hive.metastore.txn.TestTxnUtils.testCleanString (batchId=230)
org.apache.hadoop.hive.ql.TestTxnCommands2.testOpenTxnsCounter (batchId=344)
org.apache.hadoop.hive.ql.TestTxnCommands2WithSplitUpdateAndVectorization.testOpenTxnsCounter
 (batchId=358)
org.apache.hadoop.hive.ql.parse.TestReplAcidTablesBootstrapWithJsonMessage.testAcidTablesBootstrapDuringIncrementalWithOpenTxnsTimeout
 (batchId=259)
org.apache.hadoop.hive.ql.parse.TestReplAcidTablesWithJsonMessage.testAcidTablesBootstrapWithOpenTxnsTimeout
 (batchId=277)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcidTables.testAcidTablesBootstrapWithOpenTxnsTimeout
 (batchId=279)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcidTablesBootstrap.testAcidTablesBootstrapDuringIncrementalWithOpenTxnsTimeout
 (batchId=257)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.cleanupAfterMajorPartitionCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.cleanupAfterMajorPartitionCompactionNoBase
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.cleanupAfterMajorTableCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.cleanupAfterMinorPartitionCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.cleanupAfterMinorTableCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.droppedPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner.droppedTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.cleanupAfterMajorPartitionCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.cleanupAfterMajorPartitionCompactionNoBase
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.cleanupAfterMajorTableCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.cleanupAfterMinorPartitionCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.cleanupAfterMinorTableCompaction
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.droppedPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleaner2.droppedTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestCleanerWithReplication.cleanupAfterMajorPartitionCompaction
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCleanerWithReplication.cleanupAfterMajorTableCompaction
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCleanerWithReplication.cleanupAfterMinorPartitionCompaction
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCleanerWithReplication.cleanupAfterMinorTableCompaction
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.majorCompactAfterAbort 
(batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.majorCompactAfterAbortNew 
(batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.majorCompactWhileStreaming
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.majorCompactWhileStreamingForSplitUpdate
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.majorCompactWhileStreamingForSplitUpdateNew
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.minorCompactAfterAbort 
(batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.minorCompactAfterAbortNew 
(batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.minorCompactWhileStreaming
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.minorCompactWhileStreamingWithSplitUpdate
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.minorCompactWhileStreamingWithSplitUpdateNew
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCompactor.testStatsAfterCompactionPartTbl
 (batchId=255)
org.apache.hadoop.hive.ql.txn.compactor.TestCrudCompactorOnTez.testMinorCompactionWhileStreaming
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCrudCompactorOnTez.testMinorCompactionWhileStreamingAfterAbort
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCrudCompactorOnTez.testMinorCompactionWhileStreamingWithAbort
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestCrudCompactorOnTez.testMinorCompactionWhileStreamingWithSplitUpdate
 (batchId=264)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.chooseMajorOverMinorWhenBothValid
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.cleanEmptyAbortedTxns 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.compactPartitionHighDeltaPct
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.compactPartitionTooManyDeltas
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.compactTableHighDeltaPct 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.compactTableTooManyDeltas 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.dropPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.dropTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.enoughDeltasNoBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.noCompactTableDeltaPctNotHighEnough
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.noCompactTableDynamicPartitioning
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.noCompactTableNotEnoughDeltas
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.processCompactionCandidatesInParallel
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestInitiator.twoTxnsOnSamePartitionGenerateOneCompactionRequest
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.droppedPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.droppedTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorNoBaseLotsOfDeltas 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorPartitionWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorPartitionWithBaseMissingBuckets
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorTableLegacy 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorTableNoBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorTableWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorWithAborted 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.majorWithOpenInMiddle 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorNoBaseLotsOfDeltas 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorPartitionWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorTableLegacy 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorTableNoBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorTableWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorWithAborted 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.minorWithOpenInMiddle 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.oneDeltaWithAbortedTxn 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.sortedPartition (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker.sortedTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.droppedPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.droppedTable (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorNoBaseLotsOfDeltas 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorPartitionWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorPartitionWithBaseMissingBuckets
 (batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorTableLegacy 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorTableNoBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorTableWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorWithAborted 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.majorWithOpenInMiddle 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorNoBaseLotsOfDeltas 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorPartitionWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorTableLegacy 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorTableNoBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorTableWithBase 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorWithAborted 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.minorWithOpenInMiddle 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.oneDeltaWithAbortedTxn 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.sortedPartition 
(batchId=329)
org.apache.hadoop.hive.ql.txn.compactor.TestWorker2.sortedTable (batchId=329)
org.apache.hive.hcatalog.streaming.TestStreaming.testBucketing (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testBucketingWhereBucketColIsNotFirstCol
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testConcurrentTransactionBatchCommits
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testErrorHandling (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testFileDump (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testFileDumpCorruptDataFiles 
(batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testFileDumpCorruptSideFiles 
(batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testHeartbeat (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testInterleavedTransactionBatchCommits
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testMultipleTransactionBatchCommits
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testNoBuckets (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testRemainingTransactions 
(batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTimeOutReaper (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchAbort 
(batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchAbortAndCommit
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_Delimited
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_DelimitedUGI
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_Json
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_Regex
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchCommit_RegexUGI
 (batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchEmptyAbort 
(batchId=226)
org.apache.hive.hcatalog.streaming.TestStreaming.testTransactionBatchEmptyCommit
 (batchId=226)
org.apache.hive.streaming.TestStreaming.testAllTypesDelimitedWriter 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testAllTypesDelimitedWriterInputStream 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testAutoRollTransactionBatch 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testCommitWithKeyValue (batchId=370)
org.apache.hive.streaming.TestStreaming.testErrorHandling (batchId=370)
org.apache.hive.streaming.TestStreaming.testFileDumpCorruptDataFiles 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testFileDumpCorruptSideFiles 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testHeartbeat (batchId=370)
org.apache.hive.streaming.TestStreaming.testInterleavedTransactionBatchCommits 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testMultipleTransactionBatchCommits 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testNoBuckets (batchId=370)
org.apache.hive.streaming.TestStreaming.testTransactionBatchAbortAndCommit 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testTransactionBatchCommitDelimited 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testTransactionBatchCommitJson 
(batchId=370)
org.apache.hive.streaming.TestStreaming.testTransactionBatchCommitRegex 
(batchId=370)
{noformat}

Test results: 
https://builds.apache.org/job/PreCommit-HIVE-Build/21346/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/21346/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-21346/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 179 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12998250 - PreCommit-HIVE-Build

> Oracle statement batching
> -------------------------
>
>                 Key: HIVE-23103
>                 URL: https://issues.apache.org/jira/browse/HIVE-23103
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>            Priority: Major
>         Attachments: HIVE-23103.patch
>
>
> Examine how to really get better performance for oracle statement batches.
> [Oracle JDBC 
> doc|https://docs.oracle.com/cd/E11882_01/java.112/e16548/oraperf.htm#JJDBC28752]
>  describes:
> {quote}The Oracle implementation of standard update batching does not 
> implement true batching for generic statements and callable statements. Even 
> though Oracle JDBC supports the use of standard batching for {{Statement}} 
> and {{CallableStatement}} objects, you are unlikely to see performance 
> improvement.
> {quote}
> I would look for connection properties to set, so it is handled anyway, or if 
> not, then use:
> {code}
> begin
>   query1;
>   query2;
>   query3;
> end;
> {code}
> to we will have only a single roundtrip for the db.



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