mapleFU commented on code in PR #35758:
URL: https://github.com/apache/arrow/pull/35758#discussion_r1205673877
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cpp/src/parquet/metadata.cc:
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@@ -1462,40 +1462,48 @@ class
ColumnChunkMetaDataBuilder::ColumnChunkMetaDataBuilderImpl {
column_chunk_->meta_data.__set_total_compressed_size(compressed_size);
std::vector<format::Encoding::type> thrift_encodings;
+ std::vector<format::PageEncodingStats> thrift_encoding_stats;
+ // Add dictionary page encoding stats
if (has_dictionary) {
-
thrift_encodings.push_back(ToThrift(properties_->dictionary_index_encoding()));
- if (properties_->version() == ParquetVersion::PARQUET_1_0) {
- thrift_encodings.push_back(ToThrift(Encoding::PLAIN));
- } else {
-
thrift_encodings.push_back(ToThrift(properties_->dictionary_page_encoding()));
+ for (const auto& entry : dict_encoding_stats) {
+ format::PageEncodingStats dict_enc_stat;
+ dict_enc_stat.__set_page_type(format::PageType::DICTIONARY_PAGE);
+ format::Encoding::type dict_encoding = ToThrift(entry.first);
+ dict_enc_stat.__set_encoding(dict_encoding);
+ dict_enc_stat.__set_count(entry.second);
+ thrift_encoding_stats.push_back(dict_enc_stat);
+ auto iter =
+ std::find(thrift_encodings.begin(), thrift_encodings.end(),
dict_encoding);
+ if (iter == thrift_encodings.end()) {
+ thrift_encodings.push_back(dict_encoding);
+ }
}
- } else { // Dictionary not enabled
-
thrift_encodings.push_back(ToThrift(properties_->encoding(column_->path())));
+ // Dictionary Data Page Encoding.
+
thrift_encodings.push_back(ToThrift(properties_->dictionary_page_encoding()));
Review Comment:
Yes, we don't need this, I can remove it
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