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mysql原生SQL查询异常出现错误“ Every derived table must have its own alias”

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select count(*) from ( " + hsql + " ) 

 移植了部分从oracle查询语句过来,结果所有分页查询都有问题,经检查原来是MYSQL 需要在表后面增加别名的规则限制;

调整正常,其代码为:

select count(*) from ( " + hsql + " ) as atab

 

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