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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5111) NullPointerException on unique constraint violation with unique index
Date Fri, 19 Apr 2013 16:05:16 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5111?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Matrigali updated DERBY-5111:
----------------------------------

      Issue & fix info: High Value Fix,Repro attached  (was: Repro attached)
     Affects Version/s: 10.11.0.0
    Bug behavior facts: Crash,Seen in production
    
> NullPointerException on unique constraint violation with unique index
> ---------------------------------------------------------------------
>
>                 Key: DERBY-5111
>                 URL: https://issues.apache.org/jira/browse/DERBY-5111
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.1.3.1, 10.2.2.0, 10.3.3.0, 10.4.2.0, 10.5.3.0, 10.6.1.0, 10.6.2.1,
10.7.1.1, 10.11.0.0
>            Reporter: Mark La Rue
>              Labels: derby_triage10_9
>
> Given the below DDL, violations of the unique constraint (an example follows the DDL)
specified on table t1 will result in a NullPointerException that terminates the active connection.
 The root cause appears to be related to the unique indexes; removing them results in the
correct constraint violation.
> CREATE TABLE s.t0 (t0_id INTEGER NOT NULL, value VARCHAR(75) NOT NULL);
> ALTER TABLE s.t0 ADD CONSTRAINT pk_1 PRIMARY KEY (t0_id);
> CREATE TABLE s.t1 (t1_id INTEGER NOT NULL, t0_id INTEGER NOT NULL, value VARCHAR(75)
NOT NULL);
> CREATE UNIQUE INDEX s.ui_1 ON s.t1 (t1_id);
> ALTER TABLE s.t1 ADD CONSTRAINT pk_2 PRIMARY KEY (t1_id);
> ALTER TABLE s.t1 ADD CONSTRAINT fk_1 FOREIGN KEY (t0_id) REFERENCES s.t0 (t0_id) ON DELETE
CASCADE;
> CREATE UNIQUE INDEX s.ui_2 ON s.t1 (t0_id, value);
> ALTER TABLE s.t1 ADD CONSTRAINT uc_1 UNIQUE (t0_id, value);
> Minimal DML to trigger the constraint violation:
> INSERT INTO s.t0 VALUES (0, 'foobar');
> INSERT INTO s.t1 VALUES(0, 0, 'Test');
> INSERT INTO s.t1 VALUES(1, 0, 'Test');

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