seawinde opened a new pull request, #35562:
URL: https://github.com/apache/doris/pull/35562
## Proposed changes
Materialized view partition track supports date_trunc and optimize the fail
reason.
it supports create partition mv as following:
this mv will be partition updated by day
```
CREATE MATERIALIZED VIEW mv_6
BUILD IMMEDIATE REFRESH AUTO ON MANUAL
partition by(date_trunc(date_alias, 'day'))
DISTRIBUTED BY RANDOM BUCKETS 2
PROPERTIES ('replication_num' = '1')
AS
SELECT date_trunc(t1.L_SHIPDATE, 'hour') as date_alias, t2.O_ORDERDATE,
t1.L_QUANTITY, t2.O_ORDERSTATUS,
count(distinct case when t1.L_SUPPKEY > 0 then t2.O_ORDERSTATUS else null
end) as cnt_1
from
(select * from
lineitem
where L_SHIPDATE in ('2017-01-30')) t1
left join
(select * from
orders
where O_ORDERDATE in ('2017-01-30')) t2
on t1.L_ORDERKEY = t2.O_ORDERKEY
group by
t1.L_SHIPDATE,
t2.O_ORDERDATE,
t1.L_QUANTITY,
t2.O_ORDERSTATUS;
```
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