alamb commented on code in PR #8848:
URL: https://github.com/apache/arrow-datafusion/pull/8848#discussion_r1452273766
##########
datafusion/core/src/datasource/physical_plan/parquet/page_filter.rs:
##########
@@ -280,7 +280,7 @@ fn find_column_index(
.columns()
.iter()
.enumerate()
- .find(|(_idx, c)| c.column_descr().name() == column.name())
+ .find(|(_idx, c)| c.column_descr().name() == column.name() &&
c.column_descr().path().parts().len() == 0)
Review Comment:
Perhaps you can use the `parquet_column` function
https://github.com/apache/arrow-datafusion/blob/06bbe1298fa8aa042b6a6462e55b2890969d884a/datafusion/core/src/datasource/physical_plan/parquet/statistics.rs#L133
Which is how the row group metadata fetches the relevant metadata
https://github.com/apache/arrow-datafusion/blob/eb81ea299aa7e121bbe244e7e1ab56513d4ef800/datafusion/core/src/datasource/physical_plan/parquet/row_groups.rs#L252-L255
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