kosiew commented on code in PR #18998:
URL: https://github.com/apache/datafusion/pull/18998#discussion_r2591394234
##########
datafusion/datasource-parquet/src/row_filter.rs:
##########
@@ -270,10 +233,12 @@ impl FilterCandidateBuilder {
.project(&required_indices_into_table_schema)?,
);
- let (schema_mapper, projection_into_file_schema) = self
- .schema_adapter_factory
- .create(Arc::clone(&projected_table_schema), self.table_schema)
- .map_schema(&self.file_schema)?;
+ // Compute the projection into the file schema by matching column names
+ let projection_into_file_schema: Vec<usize> = projected_table_schema
+ .fields()
+ .iter()
+ .filter_map(|f| self.file_schema.index_of(f.name()).ok())
+ .collect();
Review Comment:
3cd7c84b11a94c3fd27884249b37ce4986908c20 is solid regression shield for both
filter and pruning paths!
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