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https://issues.apache.org/jira/browse/IGNITE-11839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Muzafarov updated IGNITE-11839:
-------------------------------------
    Fix Version/s:     (was: 2.8)
                   2.9

> SQL: table join order changes may lead to incorrect result
> ----------------------------------------------------------
>
>                 Key: IGNITE-11839
>                 URL: https://issues.apache.org/jira/browse/IGNITE-11839
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.7
>            Reporter: Roman Kondakov
>            Priority: Major
>             Fix For: 2.9
>
>
> Under some circumstances table join order changes may lead to incorrect 
> result. For example if one of joining tables isĀ {{REPLICATED}} and another 
> has {{queryparallelism > 1}}.
> This problemĀ can be reproduced in test 
> {{IgniteSqlSegmentedIndexSelfTest#testSegmentedPartitionedWithReplicated}} if 
> swap tables {{Person}} and {{Organization}} in the method 
> {{IgniteSqlSegmentedIndexSelfTest#checkLocalQueryWithSegmentedIndex}} and set 
> {{enforceJoinOrder}} flag to {{true}}:
> {code:java}
> String select0 = "select o.name n1, p.name n2 from  \"org\".Organization o, 
> \"pers\".Person p  where p.orgId = o._key";
>             List<List<?>> res = c1.query(new 
> SqlFieldsQuery(select0).setLocal(true).setEnforceJoinOrder(true)).getAll();
> {code}
> Result is:
> {noformat}
> java.lang.AssertionError: 
> Expected :956
> Actual   :8
> <Click to see difference>
>       at org.junit.Assert.fail(Assert.java:88)
>       at org.junit.Assert.failNotEquals(Assert.java:743)
>       at org.junit.Assert.assertEquals(Assert.java:118)
>       at org.junit.Assert.assertEquals(Assert.java:555)
>       at org.junit.Assert.assertEquals(Assert.java:542)
>       at 
> org.apache.ignite.testframework.junits.JUnitAssertAware.assertEquals(JUnitAssertAware.java:89)
>       at 
> org.apache.ignite.internal.processors.query.IgniteSqlSegmentedIndexSelfTest.checkLocalQueryWithSegmentedIndex(IgniteSqlSegmentedIndexSelfTest.java:280)
>       at 
> org.apache.ignite.internal.processors.query.IgniteSqlSegmentedIndexSelfTest.testSegmentedPartitionedWithReplicated(IgniteSqlSegmentedIndexSelfTest.java:222)
>       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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
>       at 
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at 
> org.apache.ignite.testframework.junits.GridAbstractTest$6.run(GridAbstractTest.java:2145)
>       at java.lang.Thread.run(Thread.java:748)
> {noformat}



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