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eldenmoon pushed a commit to branch variant-sparse
in repository https://gitbox.apache.org/repos/asf/doris.git
commit 77f210f93fbc159855418762b0bc4897e62cd206
Author: lihangyu <lihan...@selectdb.com>
AuthorDate: Thu Mar 6 14:33:56 2025 +0800
fix column is both the prefix of sparse column and subcolumn (#48737)
---
be/src/olap/rowset/segment_v2/column_reader.cpp | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/be/src/olap/rowset/segment_v2/column_reader.cpp
b/be/src/olap/rowset/segment_v2/column_reader.cpp
index d193216a7a2..f29e603c379 100644
--- a/be/src/olap/rowset/segment_v2/column_reader.cpp
+++ b/be/src/olap/rowset/segment_v2/column_reader.cpp
@@ -454,7 +454,9 @@ Status VariantColumnReader::new_iterator(ColumnIterator**
iterator, const Tablet
_statistics->sparse_column_non_null_size.lower_bound(prefix)->first.starts_with(prefix);
// if prefix exists in sparse column, read sparse column with hierarchical
reader
if (prefix_existed_in_sparse_column) {
- return _create_hierarchical_reader(iterator, relative_path, nullptr,
root);
+ // Example {"b" : {"c":456,"e":7.111}}
+ // b.c is sparse column, b.e is subcolumn, so b is both the prefix of
sparse column and subcolumn
+ return _create_hierarchical_reader(iterator, relative_path, node,
root);
}
// if path exists in sparse column, read sparse column with extract reader
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