if (aggregationFunction != null && aggregationFunction != AggregationFunctions.NONE_FUNCTION) {
transformer.addAggregateColumn(f[1]!=null? f[1]:f[0], aggregationFunction.getName(), field.getAlias());
}
}
sqlQuery = (String)transformer.transformQuery(sqlQuery);
// STEP 4: execute the query
try {
logger.debug("Executing query: [" + sqlQuery + "]");