[GitHub] [incubator-doris] kangpinghuang opened a new issue #1986: group by result is wrong for segment v2

[GitBox <gi...@apache.org>]

kangpinghuang opened a new issue #1986: group by result is wrong for segment v2
URL: https://github.com/apache/incubator-doris/issues/1986
 
 
   for table:
   CREATE TABLE table_1
   (
       siteid INT DEFAULT '10',
       citycode SMALLINT,
       username VARCHAR(32) DEFAULT '',
       pv BIGINT SUM DEFAULT '0'
   )
   AGGREGATE KEY(siteid, citycode, username)
   DISTRIBUTED BY HASH(siteid) BUCKETS 10
   PROPERTIES("replication_num" = "1");
   
   and data:
   +--------+----------+----------+------+
   | siteid | citycode | username | pv   |
   +--------+----------+----------+------+
   |      5 |        3 | helen    |    3 |
   |      4 |        3 | bush     |    3 |
   |      2 |        1 | grace    |    2 |
   |      1 |        1 | jim      |    2 |
   |      3 |        2 | tom      |    2 |
   +--------+----------+----------+------+
   
   the query :
   select citycode, sum(pv) from table_1 group by citycode;
   result is wrong:
   mysql> select citycode,sum(pv) from table_1 group by citycode;
   +----------+-----------+
   | citycode | sum(`pv`) |
   +----------+-----------+
   |        0 |         0 |
   +----------+-----------+
   
   

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