[GitHub] [incubator-druid] shizhengchao opened a new issue #7592: An question about groupby type SQL query

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shizhengchao opened a new issue #7592: An question about groupby type SQL query
URL: https://github.com/apache/incubator-druid/issues/7592
 
 
   How to convert a group by into SQL Query. for example:
   ```json
   {
     "queryType": "groupBy",
     "dataSource": "send_101",
     "granularity": "day",
     "dimensions": ["company_id"],
     "limitSpec": { "type": "default", "limit": 5000, "columns": ["company_id"] },
     "aggregations":[
         {
             "type":"longSum",
             "name":"sendCount",
             "fieldName":"drop_send_count",
             "expression":null
         }
     ],
     "intervals":{
         "type":"intervals",
         "intervals":[
             "2019-05-01T00:00:00.000Z/2019-05-06T00:00:00.001Z"
         ]
     }
   }
   ```
   convert to sql query, is like this?
   ```sql
   SELECT
       FLOOR(__time TO DAY) AS DayTime,
       "company_id",
   	SUM(drop_send_count) AS DropSendCount
   FROM
   	send_101
   WHERE
   	"__time" BETWEEN TIMESTAMP '2019-05-01 00:00:00'
   AND TIMESTAMP '2019-05-06 00:00:00'
   AND dis_lv = 1
   GROUP BY
   	FLOOR(__time TO DAY), "company_id"
   ```
   but, this sql is grouped by two dims。
   EXPLAIN PLAN FOR above the sql，i found the granularity always "all"， 
   so how to specify granularity in my groupby type SQL query

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