public static void addTableSchemaToConf(Configuration conf,
      TableScanOperator tableScanOp) {
    String schemaEvolutionColumns = tableScanOp.getSchemaEvolutionColumns();
    if (schemaEvolutionColumns != null) {
      conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS, tableScanOp.getSchemaEvolutionColumns());
      conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS_TYPES, tableScanOp.getSchemaEvolutionColumnsTypes());
    } else {
      LOG.info("schema.evolution.columns and schema.evolution.columns.types not available");
    }
  }
Sets up the job so that all necessary jars ar passed that contain classes from the given argument of this method.
@param conf jobConf instance to setup
@param classes the classes to look in jars for
@throws IOException
ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java