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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (DERBY-5174) Failure in UpdateStatisticsTest after DERBY-5153
Date Mon, 04 Apr 2011 14:26:05 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen resolved DERBY-5174.
---------------------------------------

       Resolution: Fixed
    Fix Version/s: 10.9.0.0

> Failure in UpdateStatisticsTest after DERBY-5153
> ------------------------------------------------
>
>                 Key: DERBY-5174
>                 URL: https://issues.apache.org/jira/browse/DERBY-5174
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.8.1.0
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>             Fix For: 10.9.0.0
>
>         Attachments: d5174.diff
>
>
> I sometimes see this failure on Java 7 after DERBY-5153:
> junit.framework.AssertionFailedError: Index statistics for <ALL TABLES>
> 1: {tableId=c0141582-012f-1ffb-f2b7-ffff8f5541b2, tableName=DERBY5153, indexName=IDX,
lcols=1, rows=100, unique/card=1, created=2011-04-04 13:09:08.988}
> 2: {tableId=c0141582-012f-1ffb-f2b7-ffff8f5541b2, tableName=DERBY5153, indexName=IDX,
lcols=2, rows=100, unique/card=1, created=2011-04-04 13:09:08.988}
> 3: {tableId=c0141582-012f-1ffb-f2b7-ffff8f5541b2, tableName=DERBY5153, indexName=IDX,
lcols=3, rows=100, unique/card=1, created=2011-04-04 13:09:08.988}
> 4: {tableId=c0141582-012f-1ffb-f2b7-ffff8f5541b2, tableName=DERBY5153, indexName=IDX,
lcols=4, rows=100, unique/card=1, created=2011-04-04 13:09:08.988}
>  expected:<0> but was:<4>
> 	at org.apache.derbyTesting.junit.IndexStatsUtil.assertStats(IndexStatsUtil.java:132)
> 	at org.apache.derbyTesting.junit.IndexStatsUtil.assertNoStats(IndexStatsUtil.java:109)
> 	at org.apache.derbyTesting.functionTests.tests.lang.UpdateStatisticsTest.testUpdateStatistics(UpdateStatisticsTest.java:93)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> 	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> 	at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> 	at junit.extensions.TestSetup.run(TestSetup.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> The problem is that the test case for DERBY-5153 creates a table and doesn't drop it.
testUpdateStatistics() checks the statistics for all tables in the database, and it will fail
if the DERBY-5153 test case runs first (which it sometimes does on Java 7) because it finds
statistics for tables it didn't expect to be there.

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