seawinde opened a new pull request, #32797:
URL: https://github.com/apache/doris/pull/32797
## Proposed changes
Support to get tables in materialized view when collecting table in plan
table scehma as fllowing:
```
create materialized view mv1 BUILD IMMEDIATE REFRESH COMPLETE ON MANUAL
DISTRIBUTED BY RANDOM BUCKETS 1 PROPERTIES ('replication_num' = '1')
as
select
t1.c1,
t3.c2
from
table1 t1
inner join table3 t3 on t1.c1 = t3.c2
```
if get table from the plan as follwoing, we can get **[table1, table3,
table2]**, the **mv1** is expanded to get base tables;
```
SELECT
mv1.*,
uuid()
FROM
mv1 LEFT SEMI
JOIN table2 ON mv1.c1 = table2.c1
WHERE
mv1.c1 IN (
SELECT
c1
FROM
table2
)
OR mv1.c1 < 10
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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