jobConf.table.schemaName = schemaName;
jobConf.table.tableName = tableName;
jobConf.table.partitionColumn = "DCOL";
MutableContext context = new MutableMapContext();
InitializerContext initializerContext = new InitializerContext(context);
@SuppressWarnings("rawtypes")
Initializer initializer = new GenericJdbcImportInitializer();
initializer.initialize(initializerContext, connConf, jobConf);
Schema schema = initializer.getSchema(initializerContext, connConf, jobConf);