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From "Thomas D'Silva (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (PHOENIX-1001) Using NEXT VALUE FOR 'sequence' as an input to a function cause a NPE
Date Sat, 07 Jun 2014 01:33:03 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-1001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14020624#comment-14020624
] 

Thomas D'Silva edited comment on PHOENIX-1001 at 6/7/14 1:33 AM:
-----------------------------------------------------------------

[~jamestaylor] this patch is for master. I will produce once for 3.0 and 4.0, is the process
for producing a patch for 3.0/4.0 just checking out the 3.0/4.0 branch and then making changes
and creating a patch?




was (Author: tdsilva):
James this patch is for master. I will produce once for 3.0 and 4.0, is the process for producing
a patch for 3.0/4.0 just checking out the 3.0/4.0 branch and then making changes and creating
a patch?



> Using NEXT VALUE FOR 'sequence' as an input to a function cause a NPE
> ---------------------------------------------------------------------
>
>                 Key: PHOENIX-1001
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1001
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Thomas D'Silva
>            Assignee: Thomas D'Silva
>         Attachments: PHOENIX-1001.patch
>
>
> I get a NPE while trying to write a test that  uses NEXT VALUE of a sequence as an input
to a function.
>  
> For example 
> {code:sql}
> CREATE SEQUENCE foo.bar START WITH 0 INCREMENT BY 62
> SELECT INVERT(NEXT VALUE FOR foo.bar) FROM SYSTEM."SEQUENCE"
> {code}
> causes an exception
> java.lang.NullPointerException
> 	at org.apache.phoenix.compile.SequenceManager$SequenceValueExpression.evaluate(SequenceManager.java:189)
> 	at org.apache.phoenix.expression.function.InvertFunction.evaluate(InvertFunction.java:47)
> 	at org.apache.phoenix.compile.ExpressionCompiler.visitLeave(ExpressionCompiler.java:288)
> 	at org.apache.phoenix.compile.ProjectionCompiler$SelectClauseVisitor.visitLeave(ProjectionCompiler.java:560)
> 	at org.apache.phoenix.compile.ExpressionCompiler.visitLeave(ExpressionCompiler.java:1)
> 	at org.apache.phoenix.parse.FunctionParseNode.accept(FunctionParseNode.java:79)
> 	at org.apache.phoenix.compile.ProjectionCompiler.compile(ProjectionCompiler.java:325)
> 	at org.apache.phoenix.compile.QueryCompiler.compileSingleQuery(QueryCompiler.java:325)
> 	at org.apache.phoenix.compile.QueryCompiler.compile(QueryCompiler.java:130)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableSelectStatement.compilePlan(PhoenixStatement.java:291)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableSelectStatement.compilePlan(PhoenixStatement.java:1)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:206)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:1)
> 	at org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:54)
> 	at org.apache.phoenix.jdbc.PhoenixStatement.executeQuery(PhoenixStatement.java:202)
> 	at org.apache.phoenix.jdbc.PhoenixPreparedStatement.executeQuery(PhoenixPreparedStatement.java:157)
> 	at org.apache.phoenix.end2end.SequenceIT.test123(SequenceIT.java:596)
> 	
> 	
> I was able to fix this error by changing isStateless() to return false for SequenceValueParseNode
and SeuenceValueExpression, however this caused tests to fail in SequenceIT when it tries
to use NEXT VALUE in an UPSERT
> java.sql.SQLException: ERROR 204 (22008): Values in UPSERT must evaluate to a constant.
> 	at org.apache.phoenix.exception.SQLExceptionCode$Factory$1.newException(SQLExceptionCode.java:309)
> 	at org.apache.phoenix.exception.SQLExceptionInfo.buildException(SQLExceptionInfo.java:133)
> 	at org.apache.phoenix.compile.UpsertCompiler.compile(UpsertCompiler.java:652)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableUpsertStatement.compilePlan(PhoenixStatement.java:435)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableUpsertStatement.compilePlan(PhoenixStatement.java:1)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$3.call(PhoenixStatement.java:244)
> 	at org.apache.phoenix.jdbc.PhoenixStatement$3.call(PhoenixStatement.java:1)
> 	at org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:54)
> 	at org.apache.phoenix.jdbc.PhoenixStatement.executeMutation(PhoenixStatement.java:235)
> 	at org.apache.phoenix.jdbc.PhoenixStatement.execute(PhoenixStatement.java:946)
> 	at org.apache.phoenix.end2end.SequenceIT.testInsertNextValueFor(SequenceIT.java:191)
> 	



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