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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/07/29 17:47:28 UTC
[GitHub] [incubator-doris] liutang123 opened a new issue #4200: Rewrite count(distinct if(bool, bitmap, null)) to bitmap_union_count
liutang123 opened a new issue #4200:
URL: https://github.com/apache/incubator-doris/issues/4200
Some time, users want to execute a sql like follows:
```
select count(distinct if(id = 1, id2, null)) , count(distinct id2) from test.bitmap_table
```
Now, `IF` Expr will return decimal type and the result is meaningless.
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[GitHub] [incubator-doris] morningman closed issue #4200: Rewrite count(distinct if(bool, bitmap, null)) to bitmap_union_count
Posted by GitBox <gi...@apache.org>.
morningman closed issue #4200:
URL: https://github.com/apache/incubator-doris/issues/4200
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