public void setFktable_db(@org.apache.thrift.annotation.Nullable java.lang.String fktable_db) {
    this.fktable_db = fktable_db;
  }
Returns true if field pkcolumn_name 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/SQLForeignKey.java