HappenLee commented on code in PR #13355:
URL: https://github.com/apache/doris/pull/13355#discussion_r996702548
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be/src/vec/columns/column_string.cpp:
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@@ -444,6 +445,7 @@ void ColumnString::resize(size_t n) {
auto origin_size = size();
if (origin_size > n) {
offsets.resize(n);
+ chars.resize(offsets.back());
Review Comment:
offsets.back() may contain value do not init? so maybe here may cause mem
problem here
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be/src/olap/rowset/segment_v2/segment_iterator.cpp:
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@@ -907,6 +907,10 @@ void SegmentIterator::_init_current_block(
if (_is_pred_column[cid] ||
i >= block->columns()) { //todo(wb) maybe we can release it after
output block
current_columns[cid]->clear();
+ if (i < block->columns()) {
+ block->get_by_position(i).column->assume_mutable()->reserve(
Review Comment:
this code seems should out of the `if else` ?
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