[enhancement](memory) add exception handle logic in memtable flush (apache#39913)

## Proposed changes

Issue Number: close #xxx

<!--Describe your changes.-->

---------

Co-authored-by: yiguolei <yiguolei@gmail.com>

Author: yiguolei

be/src/olap/memtable.cpp

@@ -505,7 +505,7 @@ bool MemTable::need_agg() const {
     return false;
 }
 
-Status MemTable::to_block(std::unique_ptr<vectorized::Block>* res) {
+Status MemTable::_to_block(std::unique_ptr<vectorized::Block>* res) {
     size_t same_keys_num = _sort();
     if (_keys_type == KeysType::DUP_KEYS || same_keys_num == 0) {
         if (_keys_type == KeysType::DUP_KEYS && _tablet_schema->num_key_columns() == 0) {
@@ -529,4 +529,9 @@ Status MemTable::to_block(std::unique_ptr<vectorized::Block>* res) {
     return Status::OK();
 }
 
+Status MemTable::to_block(std::unique_ptr<vectorized::Block>* res) {
+    RETURN_IF_ERROR_OR_CATCH_EXCEPTION(_to_block(res));
+    return Status::OK();
+}
+
 } // namespace doris

be/src/olap/memtable.h

@@ -205,6 +205,9 @@ class MemTable {
     void _aggregate_two_row_in_block(vectorized::MutableBlock& mutable_block, RowInBlock* new_row,
                                      RowInBlock* row_in_skiplist);
 
+    // Used to wrapped by to_block to do exception handle logic
+    Status _to_block(std::unique_ptr<vectorized::Block>* res);
+
 private:
     int64_t _tablet_id;
     bool _enable_unique_key_mow = false;