如何将联合添加到查询中?x where id = "3" union select * from y where id = "3" union select * from z where id = "3"
参见select语句现在,我必须在查询中添加这个联合,以执行和删除最后一个额外的联合,并将查询传递给mysql_query()函数。
Table not found 'Field'
错误主语: org.apache.hadoop.hive.ql.parse.SemanticException:((Driver.java:1059),org.apache.hadoop.hive.ql.Driver.run(Driver.java:1049),org.apache.hadoop.hive.cli.CliDriverorg.apache.hadoop.hive.cli.CliDrive
lock tables hive.NEXT_COMPACTION_QUEUE_ID write;lock tables hive.NEXT_TXN_IDSHOW OPEN TABLES WHERE `Database` LIKE 'hive' AND In_use > 0;+--------------------+---------------
.* TO 'hive'@'master' WITH GRANT OPTION;Query OK, 0 rows affected, 1 warning (0.00 sec)Warning| 1285 | MySQL is started in --skip-name-resolve mode; you must restart it without this switch for thismysql> show grants for hive;
+-