Ted-Jiang commented on code in PR #5268:
URL: https://github.com/apache/arrow-datafusion/pull/5268#discussion_r1105334626
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datafusion/core/src/physical_optimizer/pruning.rs:
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@@ -233,25 +233,18 @@ impl PruningPredicate {
.unwrap_or_default()
}
- /// Returns all need column indexes to evaluate this pruning predicate
- pub(crate) fn need_input_columns_ids(&self) -> HashSet<usize> {
- let mut set = HashSet::new();
- self.required_columns.columns.iter().for_each(|x| {
- match self.schema().column_with_name(x.0.name.as_str()) {
- None => {}
- Some(y) => {
- set.insert(y.0);
- }
- }
- });
- set
+ pub(crate) fn required_columns(&self) -> &RequiredStatColumns {
Review Comment:
And file_a (c1, c2), file_b(c3) , support create external table t(c1)?
Do both file have to have the c1 meta in both parquet files meta ?
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