morningman commented on a change in pull request #2781: Batch Operate Rollup
table in Doris #2671
URL: https://github.com/apache/incubator-doris/pull/2781#discussion_r376700373
##########
File path: docs/documentation/cn/sql-reference/sql-statements/Data
Definition/CREATE TABLE.md
##########
@@ -550,6 +559,26 @@ under the License.
);
```
+12. Create a table with rollup index
+```
+ CREATE TABLE example_db.rolup_index_table
+ (
+ event_day DATE,
+ siteid INT DEFAULT '10',
+ citycode SMALLINT,
+ username VARCHAR(32) DEFAULT '',
+ pv BIGINT SUM DEFAULT '0'
+ )
+ AGGREGATE KEY(event_day, siteid, citycode, username)
+ DISTRIBUTED BY HASH(siteid) BUCKETS 10
+ rollup (
+ r1(event_day,siteid),
+ r2(event_day,citycode),
+ r3(event_day) from r1
Review comment:
I saw that you agreed with @kangkaisen that user can not create rollup from
non-exist rollup? So this example should be changed, right?
`r3(event_day) from r1`
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