[jira] Resolved: (DERBY-2956) With a collated database USER cannot be used in query against user tables without cast

["Kathey Marsden (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kathey Marsden resolved DERBY-2956.
-----------------------------------

    Resolution: Invalid

Mamta says this is expected behavour but it will mean that the Nist tests won't pass with a collated database.

> With a collated database USER cannot be used in query against user tables without cast
> --------------------------------------------------------------------------------------
>
>                 Key: DERBY-2956
>                 URL: https://issues.apache.org/jira/browse/DERBY-2956
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.4.0.0
>            Reporter: Kathey Marsden
>
> ij> create table staff (empname varchar(30));
> 0 rows inserted/updated/deleted
> ij> insert into staff values('APP');
> 1 row inserted/updated/deleted
> ij> insert into staff values('KATHEY');
> 1 row inserted/updated/deleted
> ij> select * from staff where empname like USER;
> ERROR 42ZA2: Operand of LIKE predicate with type VARCHAR(30) and collation TERRITORY_BASED is not compatable with LIKE p
> attern operand with type VARCHAR(128) and collation UCS_BASIC.
> ij>
> Workaround is to use a cast 
> ij>  select * from staff where empname like CAST(USER as VARCHAR(30));
> EMPNAME
> ------------------------------
> APP
> 1 row selected

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