Reading mismatch data type pack. Cast from Int64 to String is NOT supported

[lilinghai]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

mysql> select count(*) from pk_is_handle1;
ERROR 1105 (HY000): other error for mpp stream: From MPP<query:<query_ts:1675219212921686072, local_query_id:172206, server_id:871855, start_ts:439148665346195457>,task_id:3>: Code: 0, e.displayText() = DB::Exception: Reading mismatch data type pack. Cast from Int64 to String is NOT supported!: (while reading from DTFile: /data0/db/data/t_98/stable/dmf_833), e.what() = DB::Exception,
mysql> set tidb_isolation_read_engines='tikv';
Query OK, 0 rows affected (0.05 sec)

mysql> set tidb_isolation_read_engines='tikv';
Query OK, 0 rows affected (0.04 sec)

mysql> select count(*) from pk_is_handle1;
+----------+
| count(*) |
+----------+
| 63159390 |
+----------+
1 row in set (2.39 sec)

CREATE TABLE `pk_is_handle1` (
  `a` bigint(20) NOT NULL,
  `b` int(11) DEFAULT NULL,
  `c` varchar(100) NOT NULL,
  `d` char(100) DEFAULT NULL,
  `e` float DEFAULT NULL,
  `g` double DEFAULT NULL,
  `h` decimal(8,4) DEFAULT NULL,
  `i` date DEFAULT NULL,
  `j` datetime DEFAULT NULL,
  PRIMARY KEY (`a`) /*T![clustered_index] CLUSTERED */
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin

2. What did you expect to see? (Required)

3. What did you see instead (Required)

4. What is your TiFlash version? (Required)

master

[ywqzzy]

What's the plan? @lilinghai

[lilinghai]

https://tcms.pingcap.net/dashboard/executions/plan/1470498

[seiya-annie]

/found community