try {
conn = connectionPool.takeConnection();
conn.setQueryExecutorPoolName("execPool" + Utils.getRandomPositiveInt(queryPoolCnt));
conn.execute("CREATE TEMP MAPPING tab3 FOR TABLE table20"
+ "("
+ "keyval key, "
+ "f1 ("
+ " val1 string alias val1, "
+ " val2 int alias val2, "