seawinde opened a new pull request, #38527:
URL: https://github.com/apache/doris/pull/38527
## Proposed changes
Support to partition prune when query rewrite by sync materialized view
such as table def is as following:
```sql
CREATE TABLE IF NOT EXISTS test_unique (
`time` DATETIME NULL COMMENT '查询时间',
`app_name` VARCHAR(64) NULL COMMENT '标识',
`event_id` VARCHAR(128) NULL COMMENT '标识',
`decision` VARCHAR(32) NULL COMMENT '枚举值',
`id` VARCHAR(35) NOT NULL COMMENT 'od',
`code` VARCHAR(64) NULL COMMENT '标识',
`event_type` VARCHAR(32) NULL COMMENT '事件类型'
)
UNIQUE KEY(time)
PARTITION BY RANGE(time)
(
FROM ("2024-07-01 00:00:00") TO ("2024-07-15 00:00:00") INTERVAL 1
HOUR
)
DISTRIBUTED BY HASH(time)
BUCKETS 3 PROPERTIES ("replication_num" = "1");
```
sync materialized view def is
```sql
create materialized view as
select
app_name,
event_id,
time,
count(*)
from
test_duplicate
group by
app_name,
event_id,
time;
```
if your query is following, if rewritten by sync materialized view
successfully, should partition prune
```sql
select
app_name,
event_id,
time,
count(*)
from
test_duplicate
where time < '2024-07-05 01:00:00'
group by
app_name,
time,
event_id;
```
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