DO NOT REPLY [Bug 46932] alias given in select statement is not used as column header in response data for a JDBC request

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=46932





--- Comment #1 from mark.aronszajn@openmarket.com  2009-03-27 13:24:06 PST ---
(In reply to comment #0)
> If you use an alias for an existing column name in a select statement used
> within a JDBCSampler request, the original column name is returned with the
> response data rather than the alias proposed. Any DB client will return the
> given alias as a column header and so should JMeter's JDBCSampler.
> 
> For example, if the column is 'expected_arrival_time' and the query is
> 
> select residential_street_address as address from residence where id = 3;
> 
> the response data element will be
> 
> <responseData class="java.lang.String">residential_street_address
> 222 W. 58th Avenue</responseData>
> 
> One exceptional case: if the alias is given for a derived column in a view, the
> alias is used as expected.
> 
> This derives from behavior of methods in ResultSetMetaData. In the Sampler
> code, the ResultSetMetaData getColumnName(int) method is used to retrieve a
> column header rather than getColumnLabel(int). I believe the latter always
> gives the appropriate result.

Of course, where I begin to give my example and say, "...if the column is
'expected_arrival_time' and...", I meant to put 'residential_street_address'.

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