csun5285 commented on code in PR #57561:
URL: https://github.com/apache/doris/pull/57561#discussion_r2480447307
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be/src/vec/columns/column_variant.cpp:
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@@ -2319,7 +2319,9 @@ void
ColumnVariant::Subcolumn::deserialize_from_sparse_column(const ColumnString
// array needs to check nested type is same as least common type's nested
type
if (!same_as_least_common_type && type == PrimitiveType::TYPE_ARRAY) {
- const auto* nested_start_data = start_data + 1;
+ // |PrimitiveType::TYPE_ARRAY| + |size_t| + |nested_type|
Review Comment:
之前获取的 `nested_type` 是错的，大部分情况下都命中第一个分支就不会出错
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