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new 2e111c0 [Bug] Fix bug that BE crash when doing alter table task
(#4015)
2e111c0 is described below
commit 2e111c05ac775a18351d567359dba07a555cbff8
Author: Mingyu Chen <morningman....@gmail.com>
AuthorDate: Sun Jul 5 16:28:03 2020 +0800
[Bug] Fix bug that BE crash when doing alter table task (#4015)
Need to check delete condition first
---
be/src/olap/rowset/segment_v2/segment_iterator.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/be/src/olap/rowset/segment_v2/segment_iterator.cpp
b/be/src/olap/rowset/segment_v2/segment_iterator.cpp
index 7b92f0c..ec8bb47 100644
--- a/be/src/olap/rowset/segment_v2/segment_iterator.cpp
+++ b/be/src/olap/rowset/segment_v2/segment_iterator.cpp
@@ -275,7 +275,10 @@ Status
SegmentIterator::_get_row_ranges_from_conditions(RowRanges* condition_row
RowRanges delete_condition_row_ranges = RowRanges::create_single(0);
for (auto& delete_column_condition : delete_condition->columns()) {
const int32_t cid = delete_column_condition.first;
- CondColumn* column_cond = _opts.conditions->get_column(cid);
+ CondColumn* column_cond = nullptr;
+ if (_opts.conditions != nullptr) {
+ column_cond = _opts.conditions->get_column(cid);
+ }
RowRanges single_delete_condition_row_ranges =
RowRanges::create_single(num_rows());
RETURN_IF_ERROR(
_column_iterators[cid]->get_row_ranges_by_zone_map(
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