c21303f02c
### What changes were proposed in this pull request? This is the patch on branch-3.2 for https://github.com/apache/spark/pull/33842. See the description in the other PR. ### Why are the changes needed? Avoid OOM/performance regression when reading ORC table with nested column types. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Added unit test in `OrcSourceSuite.scala`. Closes #33843 from c21/branch-3.2. Authored-by: Cheng Su <chengsu@fb.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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