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From Øystein Grøvlen (JIRA) <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1261) Two triggers on same table cause "ERROR 54038: Maximum depth of nested triggers was exceeded."
Date Thu, 27 Apr 2006 10:58:37 GMT
Two triggers on same table cause "ERROR 54038: Maximum depth of nested triggers was exceeded."
----------------------------------------------------------------------------------------------

         Key: DERBY-1261
         URL: http://issues.apache.org/jira/browse/DERBY-1261
     Project: Derby
        Type: Bug

  Components: SQL  
    Versions: 10.0.2.0    
 Environment: Embedded on Solaris x86
    Reporter: Øystein Grøvlen


Two triggers on same table may lead to self-recursion:

ij> create table t3(i integer primary key, j integer, t timestamp);
0 rows inserted/updated/deleted
ij> create trigger tr3i after insert on t3 referencing new as new for each row mode db2sql
update t3 set t = current_timestamp where i = new.i;
0 rows inserted/updated/deleted
ij> insert into t3 values (1, 1, NULL);
1 row inserted/updated/deleted
ij> create trigger tr3u after update on t3 referencing old as old for each row mode db2sql
update t3 set t = current_timestamp where i = old.i;
0 rows inserted/updated/deleted
ij> insert into t3 values (2, 1, NULL);
ERROR 54038: Maximum depth of nested triggers was exceeded.
ij> update t3 set j=j+1;
1 row inserted/updated/deleted
ij> create trigger tr3u2 after update on t3 referencing old as old for each row mode db2sql
update t3 set j = 0 where i = old.i and j > 2;
0 rows inserted/updated/deleted
ij> update t3 set j=j+1;
ERROR 54038: Maximum depth of nested triggers was exceeded.


>From derby.log:
2006-04-27 10:03:54.792 GMT Thread[main,5,main] (XID = 1274), (SESSIONID = 0), (DATABASE =
testDB), (DRDAID = null), Cleanup action starting
2006-04-27 10:03:54.792 GMT Thread[main,5,main] (XID = 1274), (SESSIONID = 0), (DATABASE =
testDB), (DRDAID = null), Failed Statement is: insert into t3 values (2, 1, NULL)
ERROR 54038: Maximum depth of nested triggers was exceeded.
	at org.apache.derby.iapi.error.StandardException.newException(StandardException.java:301)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.pushTriggerExecutionContext(GenericLanguageConnectionContext.java:2104)
	at org.apache.derby.impl.sql.execute.InternalTriggerExecutionContext.<init>(InternalTriggerExecutionContext.java:179)
	at org.apache.derby.impl.sql.execute.GenericExecutionFactory.getTriggerExecutionContext(GenericExecutionFactory.java:302)
	at org.apache.derby.impl.sql.execute.TriggerEventActivator.<init>(TriggerEventActivator.java:105)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.fireBeforeTriggers(UpdateResultSet.java:798)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSet.java:283)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:361)
	at org.apache.derby.impl.sql.execute.GenericTriggerExecutor.executeSPS(GenericTriggerExecutor.java:169)
	at org.apache.derby.impl.sql.execute.RowTriggerExecutor.fireTrigger(RowTriggerExecutor.java:110)
	at org.apache.derby.impl.sql.execute.TriggerEventActivator.notifyEvent(TriggerEventActivator.java:277)
	at org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(InsertResultSet.java:1134)
	at org.apache.derby.impl.sql.execute.InsertResultSet.open(InsertResultSet.java:522)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:361)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1161)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:567)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:497)
	at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:313)
	at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:433)
	at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310)
	at org.apache.derby.impl.tools.ij.Main.go(Main.java:203)
	at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169)
	at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55)
	at org.apache.derby.tools.ij.main(ij.java:60)
Cleanup action completed
2006-04-27 10:06:18.589 GMT Thread[main,5,main] (XID = 1293), (SESSIONID = 0), (DATABASE =
testDB), (DRDAID = null), Cleanup action starting
2006-04-27 10:06:18.589 GMT Thread[main,5,main] (XID = 1293), (SESSIONID = 0), (DATABASE =
testDB), (DRDAID = null), Failed Statement is: update t3 set j=j+1
ERROR 54038: Maximum depth of nested triggers was exceeded.
	at org.apache.derby.iapi.error.StandardException.newException(StandardException.java:301)
	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.pushTriggerExecutionContext(GenericLanguageConnectionContext.java:2104)
	at org.apache.derby.impl.sql.execute.InternalTriggerExecutionContext.<init>(InternalTriggerExecutionContext.java:179)
	at org.apache.derby.impl.sql.execute.GenericExecutionFactory.getTriggerExecutionContext(GenericExecutionFactory.java:302)
	at org.apache.derby.impl.sql.execute.TriggerEventActivator.<init>(TriggerEventActivator.java:105)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.fireBeforeTriggers(UpdateResultSet.java:798)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSet.java:283)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:361)
	at org.apache.derby.impl.sql.execute.GenericTriggerExecutor.executeSPS(GenericTriggerExecutor.java:169)
	at org.apache.derby.impl.sql.execute.RowTriggerExecutor.fireTrigger(RowTriggerExecutor.java:110)
	at org.apache.derby.impl.sql.execute.TriggerEventActivator.notifyEvent(TriggerEventActivator.java:277)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.fireAfterTriggers(UpdateResultSet.java:825)
	at org.apache.derby.impl.sql.execute.UpdateResultSet.open(UpdateResultSet.java:288)
	at org.apache.derby.impl.sql.GenericPreparedStatement.execute(GenericPreparedStatement.java:361)
	at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(EmbedStatement.java:1161)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:567)
	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:497)
	at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:313)
	at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:433)
	at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:310)
	at org.apache.derby.impl.tools.ij.Main.go(Main.java:203)
	at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169)
	at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55)
	at org.apache.derby.tools.ij.main(ij.java:60)
Cleanup action completed


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