[DERBY-1574] NullPointerException in UPDATE with COALESCE and subquery

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 10.0.2.0, 10.0.2.1, 10.0.2.2, 10.1.1.0, 10.1.2.1, 10.1.3.1, 10.1.3.2, 10.1.3.3, 10.2.1.6
• Fix Version/s: 10.2.1.6
• Component/s: SQL
• Environment: Java 1.5.0_06
• Urgency: Normal
• Assignee: Dag H. Wanvik
• Reporter: Christian d'Heureuse
• Created: 23/Jul/06 01:01
• Updated: 05/Jul/10 17:32
• Resolved: 15/Aug/06 12:57

Description

The following statements generate a NullPointerException:

CREATE TABLE t1 (i INTEGER);
CREATE TABLE t2 (i INTEGER);

UPDATE t1
SET i = COALESCE(
(SELECT i FROM t2 WHERE t2.i=t1.i),
0);

Any further SQL statements generate an internal error in RawStore, e.g.:
SELECT * FROM t1;

Issue Links

• is related to: DERBY-4549 NPE in JBitSet