cambyzju commented on code in PR #12045:
URL: https://github.com/apache/doris/pull/12045#discussion_r953668845
##########
be/src/vec/columns/column_array.cpp:
##########
@@ -235,7 +235,13 @@ void ColumnArray::insert_from(const IColumn& src_, size_t
n) {
size_t size = src.size_at(n);
size_t offset = src.offset_at(n);
- get_data().insert_range_from(src.get_data(), offset, size);
+ // Note: here we should process the case of
'Nullable(Array(NotNullable(nest)))'
+ if (get_data().is_nullable() && !src.get_data().is_nullable()) {
+ reinterpret_cast<ColumnNullable*>(&get_data())
+ ->insert_range_from_not_nullable(src.get_data(), offset, size);
+ } else {
Review Comment:
add DCHEC for `!get_data().is_nullable() && src.get_data().is_nullable()` ?
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