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: 10.2.2.1, 10.2.3.0, 10.3.0.0
Reporter: A B
Priority: Minor
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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