public void setTable_db(@org.apache.thrift.annotation.Nullable java.lang.String table_db) {
    this.table_db = table_db;
  }
Returns true if field catName 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/SQLDefaultConstraint.java