AngersZhuuuu opened a new pull request #34535:
URL: https://github.com/apache/spark/pull/34535
### What changes were proposed in this pull request?
In current ` GeneratorNestedColumnAliasing`, spark only support push down
case with Project as below
```
Project [v1#225, el#226]
+- Project [struct#220.v1 AS v1#225, el#226, struct#220]
+- Generate explode(array#221), false, [el#226]
+- SubqueryAlias spark_catalog.default.table
+- Relation default.table[struct#220,array#221] parquet
```
In this pr we support push dow with Project and Filter as below
```
Project [v1#225, el#226]
+- Filter ((el#226 = cx1) AND (struct#220.v2 = v3))
+- Project [struct#220.v1 AS v1#225, el#226, struct#220]
+- Generate explode(array#221), false, [el#226]
+- SubqueryAlias spark_catalog.default.table
+- Relation default.table[struct#220,array#221] parquet
```
### Why are the changes needed?
Improve GeneratorNestedColumnAliasing to support more case
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Add UT
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