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new a3714981fd [Bug](schema change) Fix bug for vectorized schema change
(#11652)
a3714981fd is described below
commit a3714981fd73a00036786430c83b14aa77ffd3c7
Author: Gabriel <gabrielleeb...@gmail.com>
AuthorDate: Wed Aug 10 21:42:51 2022 +0800
[Bug](schema change) Fix bug for vectorized schema change (#11652)
---
be/src/olap/schema_change.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/be/src/olap/schema_change.cpp b/be/src/olap/schema_change.cpp
index 7dfdc36117..aa455699b1 100644
--- a/be/src/olap/schema_change.cpp
+++ b/be/src/olap/schema_change.cpp
@@ -1757,6 +1757,7 @@ Status
SchemaChangeHandler::_do_process_alter_tablet_v2(const TAlterTabletReqV2&
// begin to find deltas to convert from base tablet to new tablet so that
// obtain base tablet and new tablet's push lock and header write lock to
prevent loading data
+ RowsetReaderContext reader_context;
{
std::lock_guard<std::mutex>
base_tablet_lock(base_tablet->get_push_lock());
std::lock_guard<std::mutex>
new_tablet_lock(new_tablet->get_push_lock());
@@ -1772,7 +1773,6 @@ Status
SchemaChangeHandler::_do_process_alter_tablet_v2(const TAlterTabletReqV2&
// reader_context is stack variables, it's lifetime should keep the
same
// with rs_readers
- RowsetReaderContext reader_context;
reader_context.reader_type = READER_ALTER_TABLE;
reader_context.tablet_schema = base_tablet_schema;
reader_context.need_ordered_result = true;
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