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1. hive 执行sql，报错：

 Error while compiling statement: FAILED: 
ParseException line 23:13 extraneous input '(' expecting ) near ')' in subquery source

2. sql 如下 ：

SELECTpxx_id,pxxx_name,xxx,creationtime,creatorid,lastxxxxntime,lxxxierid,NULL,NULL,NULL 
FROM(
SELECTpxx_id,pxxx_name,xxx,creationtime,creatorid,lastxxxxntime,lxxxierid,NULL,NULLNULL Row_number ( ) OVER ( PARTITION BY xxx ORDER BY xxx DESC ) AS num 
FROMxxx.bxxxi_xxxts_xxxce ) bcp 
WHEREbcp.num = 1;

3. 解决：如下图，少一个逗号：