static public String getHCatServerPrincipal(Job job) {

    return job.getConfiguration().get(HCatConstants.HCAT_METASTORE_PRINCIPAL);
  }
Determine if the current Pig version supports boolean columns. This works around a
dependency conflict preventing HCatalog from requiring a version of Pig with boolean
field support and should be removed once HCATALOG-466 has been resolved.
hcatalog/hcatalog-pig-adapter/src/main/java/org/apache/hive/hcatalog/pig/PigHCatUtil.java