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https://issues.apache.org/jira/browse/HIVE-21778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16887564#comment-16887564
]
Hive QA commented on HIVE-21778:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12975098/HIVE-21778.1.patch
{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 16674 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[acid_vectorization_original]
(batchId=183)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_in]
(batchId=178)
org.apache.hadoop.hive.cli.TestSparkPerfCliDriver.testCliDriver[query93]
(batchId=297)
org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[cbo_query93]
(batchId=295)
org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query93]
(batchId=295)
org.apache.hadoop.hive.metastore.TestMetastoreHousekeepingLeaderEmptyConfig.testHouseKeepingThreadExistence
(batchId=241)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/18074/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/18074/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-18074/
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: 6 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12975098 - PreCommit-HIVE-Build
> CBO: "Struct is not null" gets evaluated as `nullable` always causing filter
> miss in the query
> ----------------------------------------------------------------------------------------------
>
> Key: HIVE-21778
> URL: https://issues.apache.org/jira/browse/HIVE-21778
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Affects Versions: 4.0.0, 2.3.5
> Reporter: Rajesh Balamohan
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-21778.1.patch, test_null.q, test_null.q.out
>
>
> {noformat}
> drop table if exists test_struct;
> CREATE external TABLE test_struct
> (
> f1 string,
> demo_struct struct<f1:string, f2:string, f3:string>,
> datestr string
> );
> set hive.cbo.enable=true;
> explain select * from etltmp.test_struct where datestr='2019-01-01' and
> demo_struct is not null;
> STAGE PLANS:
> Stage: Stage-0
> Fetch Operator
> limit: -1
> Processor Tree:
> TableScan
> alias: test_struct
> filterExpr: (datestr = '2019-01-01') (type: boolean) <----- Note
> that demo_struct filter is not added here
> Filter Operator
> predicate: (datestr = '2019-01-01') (type: boolean)
> Select Operator
> expressions: f1 (type: string), demo_struct (type:
> struct<f1:string,f2:string,f3:string>), '2019-01-01' (type: string)
> outputColumnNames: _col0, _col1, _col2
> ListSink
> set hive.cbo.enable=false;
> explain select * from etltmp.test_struct where datestr='2019-01-01' and
> demo_struct is not null;
> STAGE PLANS:
> Stage: Stage-0
> Fetch Operator
> limit: -1
> Processor Tree:
> TableScan
> alias: test_struct
> filterExpr: ((datestr = '2019-01-01') and demo_struct is not null)
> (type: boolean) <----- Note that demo_struct filter is added when CBO is
> turned off
> Filter Operator
> predicate: ((datestr = '2019-01-01') and demo_struct is not null)
> (type: boolean)
> Select Operator
> expressions: f1 (type: string), demo_struct (type:
> struct<f1:string,f2:string,f3:string>), '2019-01-01' (type: string)
> outputColumnNames: _col0, _col1, _col2
> ListSink
> {noformat}
> In CalcitePlanner::genFilterRelNode, the following code misses to evaluate
> this filter.
> {noformat}
> RexNode factoredFilterExpr = RexUtil
> .pullFactors(cluster.getRexBuilder(), convertedFilterExpr);
> {noformat}
> Note that even if we add `demo_struct.f1` it would end up pushing the filter
> correctly.
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