alamb commented on code in PR #10813:
URL: https://github.com/apache/datafusion/pull/10813#discussion_r1630064322
##########
datafusion/core/src/datasource/physical_plan/parquet/opener.rs:
##########
@@ -139,7 +139,8 @@ impl FileOpener for ParquetOpener {
let predicate = pruning_predicate.as_ref().map(|p| p.as_ref());
let rg_metadata = file_metadata.row_groups();
// track which row groups to actually read
- let access_plan = ParquetAccessPlan::new_all(rg_metadata.len());
+ let access_plan =
Review Comment:
This is the required plumbing, which I am quite pleased with -- it is quite
straightforward now
##########
datafusion/core/src/datasource/physical_plan/parquet/access_plan.rs:
##########
@@ -239,7 +245,32 @@ impl ParquetAccessPlan {
.iter()
.any(|rg| matches!(rg, RowGroupAccess::Selection(_)))
{
- return None;
+ return Ok(None);
+ }
+
+ // validate all Selections
+ for (idx, (rg, rg_meta)) in self
Review Comment:
This is new checking added as users can pass in `ParquetAccessPlan` and the
semantics are quite subtle
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