Ted-Jiang commented on code in PR #3780:
URL: https://github.com/apache/arrow-datafusion/pull/3780#discussion_r995585205
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datafusion/core/src/physical_plan/file_format/parquet.rs:
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@@ -460,6 +498,20 @@ impl FileOpener for ParquetOpener {
}
}
+// Check PruningPredicates just work on one column.
+fn check_page_index_push_down_valid(predicate: &Option<PruningPredicate>) ->
bool {
+ if let Some(predicate) = predicate {
+ // for now we only support pushDown on one col, because each col may
have different page numbers, its hard to get
+ // `num_containers` from `PruningStatistics`.
+ let cols = predicate.need_input_columns_ids();
+ //Todo more specific rules
Review Comment:
Maybe i can file an issue, to do this split on AND, in logical plan.
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