singh1203 opened a new pull request, #46129:
URL: https://github.com/apache/arrow/pull/46129
### Rationale for this change
Ensures schema validation catches null values in non-nullable fields,
preventing silent errors when writing to formats like Parquet.
### What changes are included in this PR?
- Nullability checks were added in ValidateFull() for arrays, struct arrays,
union arrays, and record batches.
- Introduced new validation logic in validate.cc to recursively check for
nulls in non-nullable fields.
- Added unit tests in:
- array_test.cc
- array_struct_test.cc
- array_union_test.cc
- record_batch_test.cc
These tests ensure that `ValidateFull()` fails when nulls are present in
non-nullable fields.
### Are these changes tested?
Yes, new unit tests have been added
### Are there any user-facing changes?
Yes, Users who try to validate or write Arrow data with nulls in
non-nullable fields will now receive an explicit validation error.
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