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https://issues.apache.org/jira/browse/DERBY-4874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990766#comment-12990766
]
Mamta A. Satoor commented on DERBY-4874:
----------------------------------------
Backported to 10.4 the subset of DERBY-4273 which restores the original lock
timeout on completion of ResultSetMiscTest and SetTransactionIsolationTest and
see if that helps with the intermittent failure on 10.4 codeline. Will next
backport it to 10.3
> Trigger does not recognize new size of VARCHAR column expanded with ALTER
> TABLE. It fails with ERROR 22001: A truncation error was encountered trying
> to shrink VARCHAR
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-4874
> URL: https://issues.apache.org/jira/browse/DERBY-4874
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.2.2.1, 10.3.3.1, 10.4.2.1, 10.5.3.0, 10.6.2.1,
> 10.7.1.1
> Reporter: Kathey Marsden
> Assignee: Mamta A. Satoor
> Fix For: 10.3.3.1, 10.4.2.1, 10.5.3.2, 10.6.2.3, 10.7.1.3,
> 10.8.0.0
>
> Attachments: DERBY4874_106_backport_diff_ver4.txt,
> DERBY4874_106_backport_stat_ver4.txt,
> DERBY4874_comments_and_test_missing_diff_ver3.txt,
> DERBY4874_comments_and_test_missing_stat_ver3.txt,
> DERBY4874_not_ready_for_commit_diff.txt,
> DERBY4874_not_ready_for_commit_diff_ver2.txt,
> DERBY4874_not_ready_for_commit_stat.txt,
> DERBY4874_not_ready_for_commit_stat_ver2.txt, derby.log, droptable.diff,
> releaseNote.html, trigAlterColumn.sql
>
>
> Trigger created before VARCHAR column is expanded with ALTER TABLE does not
> recognize new size and fails with:
> ERROR 22001: A truncation error was encountered trying to shrink VARCHAR
> '012345
> 678901234567890123456789001234567890' to length 30.
> CREATE TABLE tab (
> element_id INTEGER NOT NULL,
> altered_id VARCHAR(30) NOT NULL,
> counter SMALLINT NOT NULL DEFAULT 0,
> timets TIMESTAMP NOT NULL
> );
> 0 rows inserted/updated/deleted
> ij> -- Create a trigger against the table
> CREATE TRIGGER mytrig
> AFTER UPDATE ON tab
> REFERENCING NEW AS newt OLD AS oldt
> FOR EACH ROW MODE DB2SQL
> UPDATE tab set tab.counter = CASE WHEN (oldt.counter < 32767) THEN
> (oldt.count
> er + 1) ELSE 1 END
> WHERE ((newt.counter is null) or (oldt.counter = newt.counter))
> AND newt.element_id = tab.element_id
> AND newt.altered_id = tab.altered_id;
> 0 rows inserted/updated/deleted
> ij> -- Alter the table to increase column
> ALTER TABLE tab ALTER altered_id SET DATA TYPE VARCHAR(64);
> 0 rows inserted/updated/deleted
> ij> -- insert the data
> insert into tab values (99,
> '012345678901234567890123456789001234567890',1,CURRE
> NT_TIMESTAMP);
> 1 row inserted/updated/deleted
> ij> -- update and reproduce the issue
> update tab set timets = CURRENT_TIMESTAMP where ELEMENT_ID = 99;
> ERROR 22001: A truncation error was encountered trying to shrink VARCHAR
> '012345
> 678901234567890123456789001234567890' to length 30.
> java.sql.SQLDataException: A truncation error was encountered trying to
> shrink V
> ARCHAR '012345678901234567890123456789001234567890' to length 30.
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLE
> xceptionFactory40.java:79)
> at
> org.apache.derby.impl.jdbc.Util.generateCsSQLException(Util.java:256)
> at
> org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException
> (TransactionResourceImpl.java:391)
> at
> org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Tr
> ansactionResourceImpl.java:346)
> at
> org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConne
> ction.java:2269)
> at
> org.apache.derby.impl.jdbc.ConnectionChild.handleException(Connection
> Child.java:81)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedState
> ment.java:1321)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java
> :625)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java
> :555)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:367)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:521)
> at
> org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:3
> 63)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:261)
> at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
> at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
> at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
> at org.apache.derby.tools.ij.main(ij.java:59)
> Caused by: java.sql.SQLException: A truncation error was encountered trying
> to s
> hrink VARCHAR '012345678901234567890123456789001234567890' to length 30.
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExc
> eptionFactory.java:45)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransport
> AcrossDRDA(SQLExceptionFactory40.java:119)
> at
> org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLE
> xceptionFactory40.java:70)
> ... 16 more
> Caused by: ERROR 22001: A truncation error was encountered trying to shrink
> VARC
> HAR '012345678901234567890123456789001234567890' to length 30.
> at
> org.apache.derby.iapi.error.StandardException.newException(StandardEx
> ception.java:343)
> at
> org.apache.derby.iapi.types.SQLChar.hasNonBlankChars(SQLChar.java:176
> 6)
> at org.apache.derby.iapi.types.SQLChar.setWidth(SQLChar.java:1840)
> at
> org.apache.derby.exe.ac0b5b0099x012bxf542xab11x0000001bd2983.e2(Unkno
> wn Source)
> at
> org.apache.derby.impl.services.reflect.DirectCall.invoke(ReflectGener
> atedClass.java:143)
> at
> org.apache.derby.impl.sql.execute.GenericQualifier.getOrderable(Gener
> icQualifier.java:96)
> at
> org.apache.derby.impl.sql.execute.NoPutResultSetImpl.clearOrderableCa
> che(NoPutResultSetImpl.java:313)
> at
> org.apache.derby.impl.sql.execute.TableScanResultSet.openScanControll
> er(TableScanResultSet.java:350)
> at
> org.apache.derby.impl.sql.execute.TableScanResultSet.openCore(TableSc
> anResultSet.java:262)
> at
> org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(P
> rojectRestrictResultSet.java:174)
> at
> org.apache.derby.impl.sql.execute.ProjectRestrictResultSet.openCore(P
> rojectRestrictResultSet.java:174)
> at
> org.apache.derby.impl.sql.execute.NormalizeResultSet.openCore(Normali
> zeResultSet.java:146)
> at
> org.apache.derby.impl.sql.execute.UpdateResultSet.setup(UpdateResultS
> et.java:344)
> at
> org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSe
> t.java:263)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Generi
> cPreparedStatement.java:436)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeSubStatemen
> t(GenericPreparedStatement.java:306)
> at
> org.apache.derby.impl.sql.execute.GenericTriggerExecutor.executeSPS(G
> enericTriggerExecutor.java:173)
> at
> org.apache.derby.impl.sql.execute.RowTriggerExecutor.fireTrigger(RowT
> riggerExecutor.java:111)
> at
> org.apache.derby.impl.sql.execute.TriggerEventActivator.notifyEvent(T
> riggerEventActivator.java:278)
> at
> org.apache.derby.impl.sql.execute.UpdateResultSet.fireAfterTriggers(U
> pdateResultSet.java:817)
> at
> org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSe
> t.java:280)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.executeStmt(Generi
> cPreparedStatement.java:436)
> at
> org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPre
> paredStatement.java:317)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedState
> ment.java:1232)
> ... 10 more
> ij>
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