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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2972) Update or select with function in the where clause causes with TERRITORY_BASED collation fails with ERROR 42818: Comparisons between 'VARCHAR' and 'VARCHAR' are not supported.
Date Fri, 31 Aug 2007 23:05:19 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kathey Marsden updated DERBY-2972:
----------------------------------

    Attachment: derby-2972_stat.txt
                derby-2972_diff.txt

Attached is an initial patch for this issue.  It sets collation in JavaToSQLValueNode.java
for string types to that of the current schema.  It fixes the cases outlined in this issue,
but according to Mamta there may be more places that need to be changed.  

The patch also adds tests for function comparisons and order by expression to CollationTest.

Mamta, could you review this patch? Also if you know of other cases that might fail with functions
please let me know. I am trying to think of some, but haven't come up with any yet.



> Update or select with function in the where clause causes with TERRITORY_BASED collation
fails with ERROR 42818: Comparisons between 'VARCHAR' and 'VARCHAR' are not supported.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-2972
>                 URL: https://issues.apache.org/jira/browse/DERBY-2972
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.4.0.0
>            Reporter: Kathey Marsden
>         Attachments: derby-2972_diff.txt, derby-2972_stat.txt
>
>
> The following update fails with ERROR 42818
> ij> update testing set a = PADSTRING('aa',2024) where a = PADSTRING('a',2024);
> ERROR 42818: Comparisons between 'VARCHAR' and 'VARCHAR' are not supported.
> See full script below 
> onnect 'jdbc:derby:nordb;territory=no_NO;collation=TERRITORY_BASED';
> CREATE FUNCTION  PADSTRING (DATA VARCHAR(32000), LENGTH INTEGER) RETURNS VARCHAR(32000)
EXTERNAL NAME 'org.apache.derbyTesting.functionTests.util.Formatters.padString' LANGUAGE JAVA
PARAMETER STYLE JAVA;
> create table testing 
> 	(a varchar(2024), b varchar(1024), c varchar(1024), d varchar(2048), e varchar(300))
;
> -- insert 9 rows into the table
> insert into testing values (PADSTRING('1',2024),  PADSTRING('2',1024), 
>        PADSTRING('3',1024), PADSTRING('4',2048),  PADSTRING('5',300));
> insert into testing values (PADSTRING('10',2024),  
>        PADSTRING('20',1024), PADSTRING('30',1024), 
>        PADSTRING('40',2048), PADSTRING('50',300));
> insert into testing values (PADSTRING('100',2024),  
>        PADSTRING('200',1024), PADSTRING('300',1024), 
>        PADSTRING('400',2048), PADSTRING('500',300));
> insert into testing values (PADSTRING('1000',2024),  
>        PADSTRING('2000',1024), PADSTRING('3000',1024), 
>        PADSTRING('4000',2048), PADSTRING('5000',300));
> insert into testing values (PADSTRING('10000',2024),  
>        PADSTRING('20000',1024),	PADSTRING('30000',1024), 
>        PADSTRING('40000',2048), PADSTRING('50000',300));
> insert into testing values (PADSTRING('100000',2024), 
>        PADSTRING('200000',1024), PADSTRING('300000',1024), 
>        PADSTRING('400000',2048), PADSTRING('500000',300));
> insert into testing values (PADSTRING('1000000',2024), 
>        PADSTRING('2000000',1024), PADSTRING('3000000',1024), 
>        PADSTRING('4000000',2048), PADSTRING('5000000',300));
> insert into testing values (PADSTRING('10000000',2024), 
>        PADSTRING('20000000',1024), PADSTRING('30000000',1024), 
>        PADSTRING('40000000',2048), PADSTRING('50000000',300));
> insert into testing values (PADSTRING('100000000',2024), 
>        PADSTRING('200000000',1024), PADSTRING('300000000',1024), 
>        PADSTRING('400000000',2048), PADSTRING('500000000',300));
> update testing set a = PADSTRING('aa',2024) where a = PADSTRING('a',2024);

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