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