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https://issues.apache.org/jira/browse/DERBY-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yip Ng updated DERBY-2218:
--------------------------
Attachment: derby2218-trunk-diff01.txt
derby2218-trunk-stat01.txt
> Null Pointer Exception when an IN list contains an untyped NULL subquery
> ("values null").
> -----------------------------------------------------------------------------------------
>
> Key: DERBY-2218
> URL: https://issues.apache.org/jira/browse/DERBY-2218
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.1.3.2, 10.2.2.1, 10.2.3.0, 10.3.0.0
> Reporter: A B
> Assigned To: Yip Ng
> Priority: Minor
> Attachments: derby2218-trunk-diff01.txt, derby2218-trunk-stat01.txt
>
>
> If a query specifies an IN list that contains a subquery which returns an
> untyped NULL value, Derby will throw an NPE at bind time.
> ij> create table t1 (i int);
> 0 rows inserted/updated/deleted
> ij> select * from t1 where i in (1, 2, (values null));
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> I verified the error against the latest 10.2 and 10.3 trunks; it could very
> well exist in earlier versions, too, but I haven't checked.
> Stack trace (from 10.2.2) is:
> java.lang.NullPointerException
> at
> org.apache.derby.impl.sql.compile.SubqueryNode.setDataTypeServices(SubqueryNode.java:2289)
> at
> org.apache.derby.impl.sql.compile.SubqueryNode.bindExpression(SubqueryNode.java:529)
> at
> org.apache.derby.impl.sql.compile.ValueNodeList.bindExpression(ValueNodeList.java:130)
> at
> org.apache.derby.impl.sql.compile.BinaryListOperatorNode.bindExpression(BinaryListOperatorNode.java:161)
> at
> org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:540)
> at
> org.apache.derby.impl.sql.compile.DMLStatementNode.bindExpressions(DMLStatementNode.java:249)
> at
> org.apache.derby.impl.sql.compile.DMLStatementNode.bind(DMLStatementNode.java:162)
> at
> org.apache.derby.impl.sql.compile.CursorNode.bind(CursorNode.java:253)
> at
> org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:345)
> at
> org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:119)
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