public T setEnable(boolean enable) {
    this.enable = enable;
    return child;
  }
Base builder for all types of constraints.  Database name, table name, and column name
must be provided.
@param <T> Type of builder extending this.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/client/builder/ConstraintBuilder.java