wsjz commented on code in PR #11415:
URL: https://github.com/apache/doris/pull/11415#discussion_r935702185
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be/src/vec/exec/format/parquet/vparquet_group_reader.cpp:
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@@ -17,4 +17,63 @@
#include "vparquet_group_reader.h"
-namespace doris::vectorized {} // namespace doris::vectorized
\ No newline at end of file
+namespace doris::vectorized {
+
+RowGroupReader::RowGroupReader(doris::FileReader* file_reader,
+ std::shared_ptr<FileMetaData> file_metadata,
+ std::vector<int> column_ids)
+ : _file_reader(file_reader),
+ _file_metadata(file_metadata),
+ _column_ids(column_ids),
+ _current_row_group(0) {
+ DCHECK_LE(column_ids.size(), file_metadata->num_columns());
+ _init_column_readers(column_ids);
+}
+
+void RowGroupReader::_init_column_readers(std::vector<int> column_ids) {
+ // for (int col_id: column_ids) {
+ //
+ // }
+}
+
+Status RowGroupReader::read_next_row_group(const int32_t* group_id) {
+ int32_t total_group = _file_metadata->num_row_groups();
+ while (_current_row_group < total_group) {
+ bool filter_group = false;
+ _process_row_group_filter(&filter_group);
+ if (!filter_group) {
+ group_id = &_current_row_group;
Review Comment:
It is a template implement this version
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