bug: merge into filter panic

[JackTan25]

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• I had searched in the issues and found no similar issues.

Version

868388

What's Wrong?

panicked at 'index out of bounds: the len is 0 but the index is 0', src/query/service/src/interpreters/interpreter_merge_into.rs:646:26

How to Reproduce?

mysql> select count(*) from test_order;                                                                                                             
+----------+
| count(*) |
+----------+
|        0 |
+----------+
1 row in set (0.04 sec)
Read 1 rows, 1.00 B in 0.002 sec., 605.33 rows/sec., 605.33 B/sec.

mysql> select count(*) from random_source_store;                                                                                                    
+----------+
| count(*) |
+----------+
|        0 |
+----------+
1 row in set (0.05 sec)
Read 1 rows, 1.00 B in 0.002 sec., 504.64 rows/sec., 504.64 B/sec.

mysql> merge into test_order as t            using (             select * from random_source_store           ) as s            on t.id = s.id and t.insert_time = s.insert_time            when matched then update *           when not matched then insert *;
ERROR 1105 (HY000): TokioError. Code: 1068, Text = Cannot join handle from context's runtime, cause: task 394 panicked.

Are you willing to submit PR?

• Yes I am willing to submit a PR!