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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20710) Constant folding may not create null constants without types
Date Tue, 09 Oct 2018 00:58:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642655#comment-16642655
] 

Hive QA commented on HIVE-20710:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12942816/HIVE-20710.03.patch

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

{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 15060 tests executed
*Failed tests:*
{noformat}
TestMiniDruidCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=194)
	[druidmini_dynamic_partition.q,druidmini_test_ts.q,druidmini_expressions.q,druidmini_test_alter.q,druidmini_test_insert.q]
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[literal_decimal] (batchId=14)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/14322/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/14322/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-14322/

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: 2 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12942816 - PreCommit-HIVE-Build

> Constant folding may not create null constants without types
> ------------------------------------------------------------
>
>                 Key: HIVE-20710
>                 URL: https://issues.apache.org/jira/browse/HIVE-20710
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>         Attachments: HIVE-20710.01.patch, HIVE-20710.02.patch, HIVE-20710.03.patch
>
>
> During folding on the Hive side; if the resulting contant is null - the rexNode has NULL
type - which will cause problems for operators with strict contracts: like AND.
> https://github.com/apache/hive/blob/61a027af3a652f3a324727ec5d603a3cbc32ce7d/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/translator/RexNodeConverter.java#L825
> {code}
> create table t (a int);
> insert into t values(3),(10);
> explain select a from t where
>  (a>1 and null between 0 and 10) is null;
> {code}
> exception:
> {code}
> java.lang.ClassCastException: org.apache.hadoop.hive.serde2.objectinspector.primitive.WritableVoidObjectInspector
cannot be cast to org.apache.hadoop.hive.serde2.objectinspector.primitive.BooleanObjectInspector
>         at org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPAnd.initialize(GenericUDFOPAnd.java:56)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.udf.generic.GenericUDF.initializeAndFoldConstants(GenericUDF.java:148)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.plan.ExprNodeGenericFuncDesc.newInstance(ExprNodeGenericFuncDesc.java:260)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.getXpathOrFuncExprNodeDesc(TypeCheckProcFactory.java:1223)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory$DefaultExprProcessor.process(TypeCheckProcFactory.java:1535)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.lib.ExpressionWalker.walk(ExpressionWalker.java:76)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:120)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory.genExprNode(TypeCheckProcFactory.java:241)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.parse.TypeCheckProcFactory.genExprNode(TypeCheckProcFactory.java:187)
~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> {code}



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