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https://issues.apache.org/jira/browse/DERBY-6216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13708312#comment-13708312
]
Knut Anders Hatlen commented on DERBY-6216:
-------------------------------------------
It looks like there is an instability in one of the new test cases:
http://download.java.net/javadesktop/derby/javadb-5579342-report/javadb-task-3689858.html
junit.framework.AssertionFailedError: Column value mismatch @ column '1',
row 1:
Expected: >1<
Found: >2<
at
org.apache.derbyTesting.junit.JDBC.assertRowInResultSet(JDBC.java:1278)
at
org.apache.derbyTesting.junit.JDBC.assertRowInResultSet(JDBC.java:1190)
at
org.apache.derbyTesting.junit.JDBC.assertFullResultSetMinion(JDBC.java:1077)
at
org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:1000)
at org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:957)
at org.apache.derbyTesting.junit.JDBC.assertFullResultSet(JDBC.java:915)
at
org.apache.derbyTesting.junit.JDBC.assertSingleValueResultSet(JDBC.java:900)
at
org.apache.derbyTesting.functionTests.tests.lang.XplainStatisticsTest.testSimpleXplainOnly(XplainStatisticsTest.java:1148)
at
org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:117)
at
org.apache.derbyTesting.junit.BaseJDBCTestCase.runBareOverridable(BaseJDBCTestCase.java:439)
at
org.apache.derbyTesting.junit.BaseJDBCTestCase.runBare(BaseJDBCTestCase.java:456)
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 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)
> XPLAIN feature does not work and gives ERROR XCL16: ResultSet not open
> ----------------------------------------------------------------------
>
> Key: DERBY-6216
> URL: https://issues.apache.org/jira/browse/DERBY-6216
> Project: Derby
> Issue Type: Bug
> Components: Tools
> Affects Versions: 10.6.2.3, 10.7.1.4, 10.8.3.1, 10.9.1.0
> Environment: Solaris 10, MacOS X 10.6, Windows XP
> Reporter: Brett Bergquist
> Assignee: Bryan Pendleton
> Labels: derby_triage10_11, features
> Fix For: 10.11.0.0
>
> Attachments: addTests.diff, emptyRS.diff, noMemberField.diff,
> preparedTests.diff, xplain-only.diff
>
>
> I am running Derby 10.9.1.0 and am trying to figure out a performance
> problem with query taking too long. I don’t actually want to run the query
> so from the documentation, I try:
> call syscs_util.syscs_set_runtimestatistics(1);
> call syscs_util.syscs_set_xplain_schema('STATS');
> call syscs_util.syscs_set_xplain_mode(1);
> --- my query here
> call syscs_util.syscs_set_runtimestatistics(0);
> call syscs_util.syscs_set_xplain_schema('');
> call syscs_util.syscs_set_xplain_mode(0);
> When it runs my query, I get:
> ERROR XCL16: ResultSet not open. Operation 'getMetaData' not permitted.
> Verify that autocommit is OFF.
> I try the following with IJ just to see:
> call syscs_util.syscs_set_runtimestatistics(1);
> call syscs_util.syscs_set_xplain_schema('STATS');
> call syscs_util.syscs_set_xplain_mode(1);
> select sql_text from syscs_diag.transaction_table where status != 'IDLE';
> call syscs_util.syscs_set_runtimestatistics(0);
> call syscs_util.syscs_set_xplain_schema('');
> call syscs_util.syscs_set_xplain_mode(0);
> Note I have tried this with real tables as apposed to the
> syscs_diag.transaction_table with the same result. The only reason that I
> posted this with this table is that it is a table that is accessible for any
> database.
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