throw Cannot convert a non-finite number to an integer in cast float32 to decimal256

[SeaRise]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

use test;
create table test.t(a float);
insert into test.t values (3.4028234e38);

alter table test.t set tiflash replica 1;
set tidb_enforce_mpp=1; set tidb_isolation_read_engines='tiflash';
select a, cast(a as decimal(65, 0)) from t;

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

+------------+-----------------------------------------+
| a          | cast(a as decimal(65, 0))               |
+------------+-----------------------------------------+
| 3.40282e38 | 340282346638528860000000000000000000000 |
+------------+-----------------------------------------+

3. What did you see instead (Required)

ERROR 1105 (HY000): other error for mpp stream: Cannot convert a non-finite number to an integer.

4. What is your TiFlash version? (Required)

master

[windtalker]

Should fixed by #4380