hubgeter opened a new pull request, #38718:
URL: https://github.com/apache/doris/pull/38718
## Proposed changes
Fix the problem that the parquet reader reads the missing sub-columns of the
struct and fails.
for example :
suppose we have a column `array<struct<a:int>>` . And this column has two
data
```
[{1},{2},{3}]
[{4},{5}]
```
Then we add a subcolumn b to the struct . Now the column structure is like
this `array<struct<a:int,b:string>>`
The expected data for the query is as follows, instead of an error :
```
[{1,null},{2,null},{3,null}]
[{4,null},{5,null}]
```
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