[jira] [Updated] (DERBY-1306) Support more than just varchar with vertical bars on query

["Mamta A. Satoor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-1306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mamta A. Satoor updated DERBY-1306:
-----------------------------------

    Urgency: Low
     Labels: derby_triage10_11  (was: )
    
> Support more than just varchar with vertical bars on query
> ----------------------------------------------------------
>
>                 Key: DERBY-1306
>                 URL: https://issues.apache.org/jira/browse/DERBY-1306
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 10.1.2.1
>         Environment: Relevant for this?  Windows XP
>            Reporter: Bill Robertson
>              Labels: derby_triage10_11
>
> I'm not sure if this is ij or derby proper, but the concat operator || should work for just about any data type.  Derby is zero maintenance, but data rarely is, and a good sql interface is important.  Often it's very convenient to write a query that generates other sql statements and that's difficult w/o concatination.
> e.g. create a table with a timestamp column, assume that the column name is originated.
> Try the following query:
> ij> select month(originated) || '-' || year(originated) from review;
> get the following error:
> ERROR 42846: Cannot convert types 'INTEGER' to 'VARCHAR'.
> The conversion to a string should pretty much work all the time unless the operand is some sort of blob type.

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