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Posted to derby-dev@db.apache.org by "Yip Ng (JIRA)" <ji...@apache.org> on 2007/01/03 22:14:27 UTC
[jira] Closed: (DERBY-26) Dropping a nested trigger and rerunning
the querry causes NullPointerException
[ https://issues.apache.org/jira/browse/DERBY-26?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yip Ng closed DERBY-26.
-----------------------
Resolution: Duplicate
This is a duplicate to DERBY-2195. The testcase in triggerRecursion.sql has been re-enabled.
> Dropping a nested trigger and rerunning the querry causes NullPointerException
> ------------------------------------------------------------------------------
>
> Key: DERBY-26
> URL: https://issues.apache.org/jira/browse/DERBY-26
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.0.2.0
> Reporter: Ramandeep Kaur
> Assigned To: Yip Ng
> Priority: Minor
>
> Opening this bug on behalf of Satheesh Babdaram.
> ----------------------------------------------------------
> Dropping a nested trigger and reruning the orignial query
> causes NullPointerException. Here is the test case, with
> pointers to incorrect behaviour:
> ij> -- test the default (should be 16)
> create table t1 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t2 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t3 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t4 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t5 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t6 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t7 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t8 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t9 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t10 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t11 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t12 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t13 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t14 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t15 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t16 (x int);
> 0 rows inserted/updated/deleted
> ij> create table t17 (x int);
> 0 rows inserted/updated/deleted
> ij> create trigger tr1 before insert on t1 for each row MODE
> DB2SQL insert into t2 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr2 before insert on t2 for each row MODE
> DB2SQL insert into t3 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr3 before insert on t3 for each row MODE
> DB2SQL insert into t4 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr4 before insert on t4 for each row MODE
> DB2SQL insert into t5 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr5 before insert on t5 for each row MODE
> DB2SQL insert into t6 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr6 before insert on t6 for each row MODE
> DB2SQL insert into t7 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr7 before insert on t7 for each row MODE
> DB2SQL insert into t8 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr8 before insert on t8 for each row MODE
> DB2SQL insert into t9 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr9 before insert on t9 for each row MODE
> DB2SQL insert into t10 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr10 before insert on t10 for each row MODE
> DB2SQL insert into t11 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr11 before insert on t11 for each row MODE
> DB2SQL insert into t12 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr12 before insert on t12 for each row MODE
> DB2SQL insert into t13 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr13 before insert on t13 for each row MODE
> DB2SQL insert into t14 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr14 before insert on t14 for each row MODE
> DB2SQL insert into t15 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr15 before insert on t15 for each row MODE
> DB2SQL insert into t16 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr16 before insert on t16 for each row MODE
> DB2SQL insert into t17 values 666;
> 0 rows inserted/updated/deleted
> ij> create trigger tr17 before insert on t17 for each row MODE
> DB2SQL values 1;
> 0 rows inserted/updated/deleted
> *******Here we go
> ij> insert into t1 values 1;
> ERROR X0Y73: The maximum trigger recursion level of 16 was exceeded
> while processing statement: 'insert into t17 values 666'.
> ********prove it
> ij>select * from t1;
> X
> ********INCORRECT BEHAVIOUR STARTS FROM HERE. Droping tr17 should
> make the insert pass, but it doesn't. Still raises MaximumRecursionException.
> ij> drop trigger tr17;
> 0 rows inserted/updated/deleted
> ********The following will fail
> ij> insert into t1 values 1;
> ERROR X0Y73: The maximum trigger recursion level of 16 was exceeded
> while processing statement: 'insert into t2 values 666'.
> ij>select * from t1;
> X
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