/**
* Initializes the reduce-part of the job with the appropriate output settings
*
* @param job The job
* @param tableName The table to insert data into
* @param fieldNames The field names in the table.
*/
public static void setOutput(JobConf job, String tableName, String... fieldNames) {
if (fieldNames.length > 0 && fieldNames[0] != null) {
DBConfiguration dbConf = setOutput(job, tableName);
dbConf.setOutputFieldNames(fieldNames);
} else {
if (fieldNames.length > 0) setOutput(job, tableName, fieldNames.length);
else throw new IllegalArgumentException("Field names must be greater than 0");
}
}
