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https://issues.apache.org/jira/browse/IGNITE-21031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17794108#comment-17794108
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Ignite TC Bot commented on IGNITE-21031:
----------------------------------------
{panel:title=Branch: [pull/11081/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/11081/head] Base: [master] : New Tests
(1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Calcite SQL{color} [[tests
1|https://ci2.ignite.apache.org/viewLog.html?buildId=7645409]]
* {color:#013220}IgniteCalciteTestSuite:
SqlDiagnosticIntegrationTest.testPerformanceStatisticsNestedScan - PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=7645486&buildTypeId=IgniteTests24Java8_RunAll]
> Calcite engine. Query fails on performance statistics in case of nested scans
> -----------------------------------------------------------------------------
>
> Key: IGNITE-21031
> URL: https://issues.apache.org/jira/browse/IGNITE-21031
> Project: Ignite
> Issue Type: Bug
> Reporter: Aleksey Plekhanov
> Assignee: Aleksey Plekhanov
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Nested scan can be performed by Calcite engine, for example, in case of UNION
> ALL, when the first table scan is completed (and {{{}downstream().end(){}}})
> method is invoked and UNION ALL operator proceed to the next table scan.
> Reproducer:
> {code:java}
> public void testPerformanceStatisticsNestedScan() throws Exception {
> sql(grid(0), "CREATE TABLE test_perf_stat_nested (a INT) WITH
> template=REPLICATED");
> sql(grid(0), "INSERT INTO test_perf_stat_nested VALUES (0), (1), (2),
> (3), (4)");
> startCollectStatistics();
> sql(grid(0), "SELECT * FROM test_perf_stat_nested UNION ALL SELECT * FROM
> test_perf_stat_nested");
> }{code}
> Fails on:
> {noformat}
> at
> org.apache.ignite.internal.metric.IoStatisticsQueryHelper.startGatheringQueryStatistics(IoStatisticsQueryHelper.java:35)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.tracker.PerformanceStatisticsIoTracker.startTracking(PerformanceStatisticsIoTracker.java:65)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanStorageNode.processNextBatch(ScanStorageNode.java:68)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanNode.push(ScanNode.java:145)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanNode.request(ScanNode.java:95)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.UnionAllNode.end(UnionAllNode.java:79)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanNode.processNextBatch(ScanNode.java:185)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanStorageNode.processNextBatch(ScanStorageNode.java:70)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanNode.push(ScanNode.java:145)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.ScanNode.request(ScanNode.java:95)
> at
> org.apache.ignite.internal.processors.query.calcite.exec.rel.UnionAllNode.request(UnionAllNode.java:56)
> {noformat}
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