[DERBY-5160] NullPointerException when adding column without specifying type

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 10.5.1.1, 10.5.2.0, 10.5.3.0, 10.6.1.0, 10.6.2.1, 10.7.1.1
• Fix Version/s: 10.8.1.2
• Component/s: SQL
• Issue & fix info: Repro attached
• Bug behavior facts: Regression
• Assignee: Richard N. Hillegas
• Reporter: Knut Anders Hatlen
• Created: 29/Mar/11 08:28
• Updated: 19/Apr/11 12:38
• Resolved: 31/Mar/11 22:03

Description

When executing ALTER TABLE .. ADD COLUMN without specifying the type of the new column, I see a NullPointerException:

ij> create table t(x int);
0 rows inserted/updated/deleted
ij> alter table t add column y;
ERROR XJ001: Java exception: ': java.lang.NullPointerException'.
java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:95)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Util.java:142)
at org.apache.derby.impl.jdbc.Util.javaException(Util.java:299)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(TransactionResourceImpl.java:408)
at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(TransactionResourceImpl.java:348)
at org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConnection.java:2284)
at org.apache.derby.impl.jdbc.ConnectionChild.handleException(ConnectionChild.java:82)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:616)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:556)
at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:367)
at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:521)
at org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:363)
at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:261)
at org.apache.derby.impl.tools.ij.Main.go(Main.java:229)
at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:184)
at org.apache.derby.impl.tools.ij.Main.main(Main.java:75)
at org.apache.derby.tools.ij.main(ij.java:59)
at org.apache.derby.iapi.tools.run.main(run.java:53)
Caused by: java.sql.SQLException: Java exception: ': java.lang.NullPointerException'.
at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(SQLExceptionFactory40.java:119)
at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLExceptionFactory40.java:70)
... 17 more
Caused by: java.lang.NullPointerException
at org.apache.derby.impl.sql.compile.AlterTableNode.bindStatement(AlterTableNode.java:356)
at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:324)
at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:90)
at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:1101)
at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:607)
... 10 more

Issue Links

• is broken by: DERBY-3923 Make the datatype optional when declaring columns with generation clauses