seawinde opened a new pull request, #56804:
URL: https://github.com/apache/doris/pull/56804
It would fail when create partition mv when contain cast and the cast target
data type is same to cast source data type
such as materialized view def sql is as following
l_shipdate data type is `date`
```sql
CREATE MATERIALIZED VIEW mv_10086
BUILD IMMEDIATE REFRESH AUTO ON MANUAL
partition by(l_shipdate_d)
DISTRIBUTED BY RANDOM BUCKETS 2
PROPERTIES ('replication_num' = '1')
AS
select cast(l_shipdate as DATE) as l_shipdate_d, l_partkey, l_suppkey
from lineitem;
```
the pr fix this
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #44786
Problem Summary:
### Release note
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