[jira] [Resolved] (PHOENIX-2476) Recognize '+' and CONCAT as string concatenation operators

["James Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PHOENIX-2476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

James Taylor resolved PHOENIX-2476.
-----------------------------------
    Resolution: Won't Fix

> Recognize '+' and CONCAT as string concatenation operators
> ----------------------------------------------------------
>
>                 Key: PHOENIX-2476
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2476
>             Project: Phoenix
>          Issue Type: Improvement
>    Affects Versions: 4.6.0
>            Reporter: Kevin Liew
>            Priority: Minor
>
> Phoenix uses '||' (Oracle, ANSII) as the string concatenation operator symbol and does not recognize '+'
> (SQL Server) or 'concat' (which is used for portability because it is supported by most databases)
> If we try to use '+' we get an error from the queryserver
> {noformat}Type mismatch. VARCHAR for (COLUMN1 + KEYCOLUMN){noformat}
> The '+' 
> operator is not implemented for VARCHAR so it would be an improvement to implement the standard function for that '+' symbol
> If we try to use 'concat' we get an error:
> {noformat}org.apache.phoenix.schema.FunctionNotFoundException: ERROR 6001 (42F01): Function undefined. functionName=[CONCAT]{noformat}
> 'concat' is often used for cross-database compatibility. Most databases provide this function



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