csun5285 commented on code in PR #66472:
URL: https://github.com/apache/doris/pull/66472#discussion_r3764368987
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be/src/storage/rowset/beta_rowset_reader.cpp:
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@@ -380,28 +315,22 @@ Status BetaRowsetReader::_init_iterator() {
}
// merge or union segment iterator
if (is_merge_iterator()) {
- auto sequence_loc = -1;
- if (_read_context->sequence_id_idx != -1) {
Review Comment:
如果 sequence_id_idx 是-1，表示不需要根据seq 列排序，如果不是 -1 ，就表示这一列的位置，就找到seq 列，后面排序会用，现在用
use_sequence_column_for_merge_order 表示是不是需要根据 seq 排序。
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