yiguolei commented on code in PR #64010:
URL: https://github.com/apache/doris/pull/64010#discussion_r3386443649
##########
be/src/storage/segment/segment_iterator.cpp:
##########
@@ -586,6 +470,48 @@ Status SegmentIterator::_init_impl(const
StorageReadOptions& opts) {
return Status::OK();
}
+void SegmentIterator::_init_schema_block_id_map() {
+ _schema_block_id_map.assign(_schema->columns().size(), -1);
+ for (int i = 0; i < _schema->num_column_ids(); i++) {
+ auto cid = _schema->column_id(i);
+ _schema_block_id_map[cid] = i;
+ }
+}
+
+void SegmentIterator::_init_project_schema() {
+ _init_schema_block_id_map();
+ if (_opts.project_columns == nullptr || *_opts.project_columns ==
_schema->column_ids()) {
Review Comment:
project_columns 这个什么时候为null？
我感觉这种时候是不是都报错？
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