conf.set(ExportJobBase.SQOOP_EXPORT_UPDATE_COL_KEY, StringUtils.join(updateKeyColumns, ','));
conf.set(SQLServerManager.TABLE_HINTS_PROP, "NOLOCK");
conf.set(SQLServerManager.IDENTITY_INSERT_PROP, "true");
TaskAttemptContext context = new TaskAttemptContextImpl(conf, new TaskAttemptID());
SqlServerUpsertOutputFormat outputFormat = new SqlServerUpsertOutputFormat();
SqlServerUpsertRecordWriter recordWriter = outputFormat.new SqlServerUpsertRecordWriter(context);
assertEquals("SET IDENTITY_INSERT #myTable ON " +
"MERGE INTO #myTable AS _target USING ( VALUES ( ?, ?, ? ) ) AS _source ( FirstColumn, SecondColumn, ThirdColumn ) ON _source.FirstColumn = _target.FirstColumn" +
" WHEN MATCHED THEN UPDATE SET _target.SecondColumn = _source.SecondColumn, _target.ThirdColumn = _source.ThirdColumn" +
" WHEN NOT MATCHED THEN INSERT ( FirstColumn, SecondColumn, ThirdColumn ) VALUES " +
"( _source.FirstColumn, _source.SecondColumn, _source.ThirdColumn ) " +
"OPTION (NOLOCK);", recordWriter.getUpdateStatement());
}