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### What changes were proposed in this pull request? This patch proposes to replace `NESTED_PREDICATE_PUSHDOWN_ENABLED` with `NESTED_PREDICATE_PUSHDOWN_V1_SOURCE_LIST` which can configure which v1 data sources are enabled with nested predicate pushdown. ### Why are the changes needed? We added nested predicate pushdown feature that is configured by `NESTED_PREDICATE_PUSHDOWN_ENABLED`. However, this config is all or nothing config, and applies on all data sources. In order to not introduce API breaking change after enabling nested predicate pushdown, we'd like to set nested predicate pushdown per data sources. Please also refer to the comments https://github.com/apache/spark/pull/27728#discussion_r410829720. ### Does this PR introduce any user-facing change? No ### How was this patch tested? Added/Modified unit tests. Closes #28366 from viirya/SPARK-31365. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> |
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