etseidl commented on code in PR #8305:
URL: https://github.com/apache/arrow-rs/pull/8305#discussion_r2604629677


##########
parquet/src/file/metadata/thrift/mod.rs:
##########
@@ -1236,13 +1210,16 @@ pub(super) fn serialize_column_meta_data<W: Write>(
     if let Some(dictionary_page_offset) = column_chunk.dictionary_page_offset {
         last_field_id = dictionary_page_offset.write_thrift_field(w, 11, 
last_field_id)?;
     }
-    // PageStatistics is the same as thrift Statistics, but writable
-    let stats = page_stats_to_thrift(column_chunk.statistics());
-    if let Some(stats) = stats {
-        last_field_id = stats.write_thrift_field(w, 12, last_field_id)?;
-    }
-    if let Some(page_encoding_stats) = column_chunk.page_encoding_stats() {
-        last_field_id = page_encoding_stats.write_thrift_field(w, 13, 
last_field_id)?;
+
+    if should_write_column_stats(column_chunk) {

Review Comment:
   Thanks @rok, looks good now. I'll leave it to @adamreeve if we want to 
revert to excluding the `meta_data` entirely when the footer is encrypted.



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