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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/08/19 08:46:58 UTC

[GitHub] [incubator-doris] EmmyMiao87 commented on issue #165: 建议增加Value列的聚合方式(append、按位与)

EmmyMiao87 commented on issue #165:
URL: https://github.com/apache/incubator-doris/issues/165#issuecomment-675964977


   Now, we already support agg type `Bitmap_union`. 
   If you have some business data related to tags, you can use the global dictionary function to map the tags to integers, and then use bitmap type to store them.
   If you want to calculate the union, you can use the `bitmap_union` function directly. 
   I don't know if this kind of meets your needs.


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