Bug 145679 [Regression]Failed to preview sqlserver data set with jtds1.1
Steps to reproduce: 1.Add jtds_1.1.jar to JAR Files, test connection, it's ok 2.New a data set, preview result Expected result: Data can be retrieved Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Data Engine Plug-in ID:org.eclipse.birt.data Version:2.1.0.N20060607-0632 Error Code:odaconsumer.CannotGetParameterMetaData Error Message:Cannot get ODA driver parameter metadata. Cannot retrieve the parameter metadata. The PreparedStatement.getParameterMetaData method is not implemented. Note: If change jtds_1.1 to jtds_0.9, it works.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/executor/DataSourceQuery.java
if ( cf.name.equals( fieldName ) )
				{
					throw new DataException( ResourceConstants.DUP_CUSTOM_FIELD_NAME, fieldName );
				}
			}
        }
        
        customFields.add( new CustomField( fieldName, dataType ) );
    }
    /* (non-Javadoc)
     * @see org.eclipse.birt.data.engine.odi.IDataSourceQuery#prepare()
     */
    public IPreparedDSQuery prepare() throws DataException
    {
        if ( odaStatement != null )
            throw new DataException( ResourceConstants.QUERY_HAS_PREPARED );
        odaStatement = dataSource.prepareStatement( queryText, queryType );
        
        
        addProperties();
        
        
        
        
        addParameterDefns();
        
        
        
        addCustomFields( odaStatement );
        addColumnHints( odaStatement );