public void setOpen_txns(@org.apache.thrift.annotation.Nullable java.util.List<java.lang.Long> open_txns) {
    this.open_txns = open_txns;
  }
Returns true if field txn_high_water_mark is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/GetOpenTxnsResponse.java