聚合模型使用GROUPING SETS 做聚合计算，返回key不正确 #6583
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yangjun616
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哪个版本的代码？ |
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PALO-0.15.1-rc03 版本，也遇到这种问题 |
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查询语句：SELECT a, b, bitmap_union_count( c ) FROM tab1 GROUP BY GROUPING SETS ( (a, b), (a), (b) );
返回值中a,b 不会出现null，而是被group by a,b 的值覆盖
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