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From "Yip Ng (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-1644) NPE when inserting values to a table that has a column declared as generated by default as identity
Date Tue, 05 Dec 2006 05:24:22 GMT
    [ http://issues.apache.org/jira/browse/DERBY-1644?page=comments#action_12455514 ] 
            
Yip Ng commented on DERBY-1644:
-------------------------------

Per Bryan's request, I will be reviewing this patch also.  Hopefully I can give some feedback
tomorrow.

> NPE when inserting values to a table that has a column declared as generated by default
as identity
> ---------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-1644
>                 URL: http://issues.apache.org/jira/browse/DERBY-1644
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.2.1.6
>         Environment: Sun JDK 1.4.2
>            Reporter: Yip Ng
>         Assigned To: Bryan Pendleton
>            Priority: Minor
>         Attachments: d1644_combined_v3.diff, d1644_recursivelyCheck_v1.diff, RSN_EnhanceRCL_Simplify_v2.diff,
RSNCommentFixup_v1.diff
>
>
> The following scenario triggers a NullPointerException in statement compilation:
> ij> create table t1 (c1 int, c2 int generated by default as identity);
> 0 rows inserted/updated/deleted
> ij> insert into t1 (c2) values default, 10;
> ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
> Stacktrace from derby.log:
> Database Class Loader started - derby.database.classpath=''
> 2006-08-04 06:31:17.235 GMT Thread[main,5,main] (XID = 235), (SESSIONID = 0), (DATABASE
= wombat), (DRDAID = null), Cleanup action starting
> 2006-08-04 06:31:17.235 GMT Thread[main,5,main] (XID = 235), (SESSIONID = 0), (DATABASE
= wombat), (DRDAID = null), Failed Statement is: insert into t1 (c2) values default, 10
> java.lang.NullPointerException
> 	at org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(ResultColumnList.java:1033)
> 	at org.apache.derby.impl.sql.compile.ResultColumnList.generate(ResultColumnList.java:893)
> 	at org.apache.derby.impl.sql.compile.RowResultSetNode.generate(RowResultSetNode.java:690)
> 	at org.apache.derby.impl.sql.compile.UnionNode.generate(UnionNode.java:589)
> 	at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generateMinion(ProjectRestrictNode.java:1424)
> 	at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generate(ProjectRestrictNode.java:1286)
> 	at org.apache.derby.impl.sql.compile.NormalizeResultSetNode.generate(NormalizeResultSetNode.java:122)
> 	at org.apache.derby.impl.sql.compile.InsertNode.generate(InsertNode.java:764)
> 	at org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:232)
> 	at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:477)
> 	at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:118)
> 	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:713)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:567)
> 	at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:516)
> 	at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:313)
> 	at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:478)
> 	at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:347)
> 	at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:248)
> 	at org.apache.derby.impl.tools.ij.Main.go(Main.java:203)
> 	at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:169)
> 	at org.apache.derby.impl.tools.ij.Main14.main(Main14.java:55)
> 	at org.apache.derby.tools.ij.main(ij.java:69)
> 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] 10.2.0.5 alpha - (1)
> ------------------------------------------------------
> ----------------- Locale Information -----------------
> Current Locale :  [English/United States [en_US]]
> Found support for locale: [de_DE]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [es]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [fr]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [it]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [ja_JP]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [ko_KR]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [pt_BR]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [zh_CN]
>          version: 10.2.0.5 alpha - (1)
> Found support for locale: [zh_TW]
>          version: 10.2.0.5 alpha - (1)
> ------------------------------------------------------

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