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Posted to derby-dev@db.apache.org by "Yip Ng (JIRA)" <ji...@apache.org> on 2006/10/30 00:11:17 UTC
[jira] Assigned: (DERBY-2014) NullPointerException with NULLIF in
GROUP BY clause
[ http://issues.apache.org/jira/browse/DERBY-2014?page=all ]
Yip Ng reassigned DERBY-2014:
-----------------------------
Assignee: Yip Ng
> NullPointerException with NULLIF in GROUP BY clause
> ---------------------------------------------------
>
> Key: DERBY-2014
> URL: http://issues.apache.org/jira/browse/DERBY-2014
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.2.1.6, 10.3.0.0
> Environment: Any
> Reporter: Yip Ng
> Assigned To: Yip Ng
>
> A NPE occurs when NULLIF is used in the GROUP BY clause.
> ij> create table t1 (c1 int);
> 0 rows inserted/updated/deleted
> ij> insert into t1 values 1,2,2,3;
> 4 rows inserted/updated/deleted
> ij> select nullif(c1,c1) from t1 group by nullif(c1,c1);
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> Stacktrace:
> java.lang.NullPointerException
> at org.apache.derby.impl.sql.compile.ConstantNode.isEquivalent(ConstantNode.java:285)
> at org.apache.derby.impl.sql.compile.CastNode.isEquivalent(CastNode.java:1044)
> at org.apache.derby.impl.sql.compile.ConditionalNode.isEquivalent(ConditionalNode.java:518)
> at org.apache.derby.impl.sql.compile.GroupByList.findGroupingColumn(GroupByList.java:244)
> at org.apache.derby.impl.sql.compile.VerifyAggregateExpressionsVisitor.skipChildren(VerifyAggregateExpressionsVisitor.java:146)
> at org.apache.derby.impl.sql.compile.ConditionalNode.accept(ConditionalNode.java:484)
> at org.apache.derby.impl.sql.compile.ResultColumn.accept(ResultColumn.java:1515)
> at org.apache.derby.impl.sql.compile.QueryTreeNodeVector.accept(QueryTreeNodeVector.java:159)
> at org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:619)
> at org.apache.derby.impl.sql.compile.FromSubquery.bindExpressions(FromSubquery.java:262)
> at org.apache.derby.impl.sql.compile.FromList.bindExpressions(FromList.java:337)
> at org.apache.derby.impl.sql.compile.SelectNode.bindExpressions(SelectNode.java:500)
> 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)
> at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:745)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:568)
> at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:517)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:321)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:517)
> at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:370)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:268)
> at org.apache.derby.impl.tools.ij.Main.go(Main.java:204)
> at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:170)
> at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:56)
> at org.apache.derby.tools.ij.main(ij.java:71)
> sysinfo:
> ------------------ Java Information ------------------
> Java Version: 1.4.2_12
> Java Vendor: Sun Microsystems Inc.
> Java home: C:\jdk142\jre
> Java classpath: classes;.
> OS name: Windows XP
> OS architecture: x86
> OS version: 5.1
> Java user name: yip
> Java user home: C:\Documents and Settings\Administrator
> Java user dir: C:\derby\trunk
> java.specification.name: Java Platform API Specification
> java.specification.version: 1.4
> --------- Derby Information --------
> JRE - JDBC: J2SE 1.4.2 - JDBC 3.0
> [C:\derby\trunk\classes] 10.3.0.0 alpha - (1)
> ------------------------------------------------------
> ----------------- Locale Information -----------------
> Current Locale : [English/United States [en_US]]
> Found support for locale: [de_DE]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [es]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [fr]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [it]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [ja_JP]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [ko_KR]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [pt_BR]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [zh_CN]
> version: 10.3.0.0 alpha - (1)
> Found support for locale: [zh_TW]
> version: 10.3.0.0 alpha - (1)
> ------------------------------------------------------
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