public byte[] getExpr() {
    setExpr(org.apache.thrift.TBaseHelper.rightSize(expr));
    return expr == null ? null : expr.array();
  }
Returns true if field tblName 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/PartitionsByExprRequest.java