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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/11/18 12:48:01 UTC
[GitHub] [doris] chenlinzhong opened a new pull request, #14400: [feature-wip](MTMV) impl multi view table data update
chenlinzhong opened a new pull request, #14400:
URL: https://github.com/apache/doris/pull/14400
# Proposed changes
Issue Number: close #xxx
## Problem summary
impl import data to multi table materialized view table,mainly include four steps
1、create tmp table
2、insert data to tmp table though insert into select stmt
3、swap tmp table with origin table
4、update task info and wrtie log
```
create table t_user(
event_day DATE,
id bigint,
username varchar(20)
)
DISTRIBUTED BY HASH(id) BUCKETS 10
PROPERTIES (
"replication_num" = "1"
);
insert into t_user values("2022-10-26",1,"clz");
insert into t_user values("2022-10-28",2,"zhangsang");
insert into t_user values("2022-10-29",3,"lisi");
create table t_user_pv(
event_day DATE,
id bigint,
pv bigint
)
DISTRIBUTED BY HASH(id) BUCKETS 10
PROPERTIES (
"replication_num" = "1"
);
insert into t_user_pv values("2022-10-26",1,200);
insert into t_user_pv values("2022-10-28",2,200);
insert into t_user_pv values("2022-10-28",3,300);
```
### create multi view table
```
DROP MATERIALIZED VIEW if exists multi_mv;
CREATE MATERIALIZED VIEW multi_mv
BUILD IMMEDIATE
REFRESH COMPLETE
start with "2022-10-27 19:35:00"
next 60 second
KEY(username)
DISTRIBUTED BY HASH (username) buckets 1
PROPERTIES ('replication_num' = '1')
AS
select t_user.username, t_user_pv.pv from t_user, t_user_pv where t_user.id=t_user_pv.id;
```
<img width="892" alt="image" src="https://user-images.githubusercontent.com/11487604/202708285-baaa082e-62ef-4ff4-9a34-04a3f36e16be.png">
<img width="360" alt="image" src="https://user-images.githubusercontent.com/11487604/202708355-f0df8e70-df86-462e-ab37-cb6d91b35951.png">
## Checklist(Required)
1. Does it affect the original behavior:
- [ ] Yes
- [ ] No
- [ ] I don't know
2. Has unit tests been added:
- [ ] Yes
- [ ] No
- [ ] No Need
3. Has document been added or modified:
- [ ] Yes
- [ ] No
- [ ] No Need
4. Does it need to update dependencies:
- [ ] Yes
- [ ] No
5. Are there any changes that cannot be rolled back:
- [ ] Yes (If Yes, please explain WHY)
- [ ] No
## Further comments
If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
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[GitHub] [doris] morningman commented on a diff in pull request #14400: [feature-wip](MTMV) impl multi view table data update
Posted by GitBox <gi...@apache.org>.
morningman commented on code in PR #14400:
URL: https://github.com/apache/doris/pull/14400#discussion_r1027305180
##########
fe/fe-core/src/main/java/org/apache/doris/common/Config.java:
##########
@@ -30,75 +30,81 @@ public class Config extends ConfigBase {
/**
* The max size of one sys log and audit log
*/
- @ConfField public static int log_roll_size_mb = 1024; // 1 GB
Review Comment:
better not do `reformat` thing in this kind of PR?
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[GitHub] [doris] chenlinzhong closed pull request #14400: [feature-wip](MTMV) impl multi view table data update
Posted by GitBox <gi...@apache.org>.
chenlinzhong closed pull request #14400: [feature-wip](MTMV) impl multi view table data update
URL: https://github.com/apache/doris/pull/14400
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[GitHub] [doris] hello-stephen commented on pull request #14400: [feature-wip](MTMV) impl multi view table data update
Posted by GitBox <gi...@apache.org>.
hello-stephen commented on PR #14400:
URL: https://github.com/apache/doris/pull/14400#issuecomment-1322164257
TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 34.57 seconds
load time: 440 seconds
storage size: 17152141871 Bytes
https://doris-community-test-1308700295.cos.ap-hongkong.myqcloud.com/tmp/20221121144259_clickbench_pr_50086.html
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