public static TableSnapshot getTableSnapshot(
      Configuration conf, Table tbl, boolean isStatsUpdater) throws LockException {
    return getTableSnapshot(conf, tbl, tbl.getDbName(), tbl.getTableName(), isStatsUpdater);
  }
Note: this is generally called in Hive.java; so, the callers of Hive.java make sure
       to set up the acid state during compile, and Hive.java retrieves it if needed.
ql/src/java/org/apache/hadoop/hive/ql/io/AcidUtils.java