[jira] Commented: (DERBY-1837) Select from a derived table does not return the aliased column names in some cases

["Daniel John Debrunner (JIRA)" <de...@db.apache.org>]

    [ http://issues.apache.org/jira/browse/DERBY-1837?page=comments#action_12433545 ] 
            
Daniel John Debrunner commented on DERBY-1837:
----------------------------------------------

Very strange, the problem does only seem to be for derived tables:

ij> create table t (c char(1), c1 char(1), cxxxxxxxxxxxxxx char(1));
0 rows inserted/updated/deleted
ij> select * from t;
C   |C1  |CXX&
--------------

0 rows selected
ij> select * from (values('a','a')) as a(c1,c2);
&|&
---
a|a

> Select from a derived table does not return the aliased column names in some cases
> ----------------------------------------------------------------------------------
>
>                 Key: DERBY-1837
>                 URL: http://issues.apache.org/jira/browse/DERBY-1837
>             Project: Derby
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 10.0.2.0, 10.0.2.1, 10.1.1.0, 10.1.2.1, 10.1.3.0, 10.1.3.1
>         Environment: Any
>            Reporter: Rajesh Kartha
>            Priority: Minor
>
> A select from a derived table does not return the aliased  column names correctly if the selected column(s) are char(1). The column names
> show up as '&' in the following example:
> ij> select * from (values('a','a')) as a(c1,c2);
> &|&
> ---
> a|a
> 1 row selected
> ij> select * from (values('a','aa')) as a(c1,c2);
> &|C2
> ----
> a|aa
> 1 row selected
> ij> select * from (values('aaa','a')) as a(c1,c2);
> C1 |&
> -----
> aaa|a
> 1 row selected
> ij> select * from (values(1,'a')) as a(c1,c2);
> C1         |&
> -------------
> 1          |a
> 1 row selected

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