https://issues.apache.org/bugzilla/show_bug.cgi?id=46932
Summary: alias given in select statement is not used as column
header in response data for a JDBC request
Product: JMeter
Version: 2.3.2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Main
AssignedTo: jmeter-dev@jakarta.apache.org
ReportedBy: mark.aronsz...@openmarket.com
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.
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