emkornfield commented on a change in pull request #10537:
URL: https://github.com/apache/arrow/pull/10537#discussion_r652311609
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File path: cpp/src/parquet/column_reader.cc
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@@ -861,8 +864,113 @@ class TypedColumnReaderImpl : public
TypedColumnReader<DType>,
Type::type type() const override { return this->descr_->physical_type(); }
const ColumnDescriptor* descr() const override { return this->descr_; }
+
+ ExposedEncodingType GetExposedEncoding() override { return
this->exposed_encoding_; };
+
+ int64_t ReadBatchWithDictionary(int64_t batch_size, int16_t* def_levels,
+ int16_t* rep_levels, int32_t* indices,
+ int64_t* indices_read, const T** dict,
+ int32_t* dict_len) override;
+
+ protected:
+ void SetExposedEncoding(ExposedEncodingType encoding) override {
+ this->exposed_encoding_ = encoding;
+ }
+
+ private:
+ /// \brief Read dictionary indices. Similar to ReadValues but decode data to
Review comment:
you can provide a briefer summary using double slash ("//") comments.
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