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Posted to dev@doris.apache.org by GitBox <gi...@apache.org> on 2019/07/26 05:54:26 UTC

[GitHub] [incubator-doris] zhangy5 opened a new issue #1553: The result of count_distinc() is wrong

zhangy5 opened a new issue #1553: The result of count_distinc() is wrong
URL: https://github.com/apache/incubator-doris/issues/1553
 
 
   **Describe the bug**
   The result of count_distinct() is wrong. The count_distinct result is different from count distinct.
   ![count_distinct](https://user-images.githubusercontent.com/10826066/61928709-e2273700-afab-11e9-8edf-7b6e1d03b005.png)
   
   Column k1 is tinyint type, the result of count distinct should be less than 256.
   
   Create table like :
   CREATE TABLE `test` (
     `k1` tinyint(4) NOT NULL COMMENT "",
     `k2` smallint(6) NOT NULL COMMENT "",
     `k3` int(11) NOT NULL COMMENT "",
     `k4` bigint(20) NOT NULL COMMENT "",
     `k5` decimal(9, 3) NOT NULL COMMENT "",
     `k6` char(5) NOT NULL COMMENT "",
     `k10` date NOT NULL COMMENT "",
     `k11` datetime NOT NULL COMMENT "",
     `k7` varchar(20) NOT NULL COMMENT "",
     `k8` double MAX NOT NULL COMMENT "",
     `k9` float SUM NOT NULL COMMENT ""
   ) ENGINE=OLAP
   AGGREGATE KEY(`k1`, `k2`, `k3`, `k4`, `k5`, `k6`, `k10`, `k11`, `k7`)
   PARTITION BY RANGE(`k1`)
   (PARTITION placeholder_0 VALUES LESS THAN ("-128"),
   PARTITION p1 VALUES LESS THAN ("-64"),
   PARTITION p2 VALUES LESS THAN ("0"),
   PARTITION p3 VALUES LESS THAN ("64"),
   PARTITION p4 VALUES LESS THAN MAXVALUE)
   DISTRIBUTED BY HASH(`k1`) BUCKETS 5
   PROPERTIES (
   "storage_type" = "COLUMN"
   );
   

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