decodeIndexKvForClusteredIndexVersion1 function cause strings: negative Repeat count #47115
Description
Bug Report
1. Minimal reproduce step (Required)
create table t (a int, b int, k varchar(64), primary key (a, b), key k (k));
insert value which k is end of over 127 spaces.
OR
table/tables/index_test.go:66 Add 128 spaces behind abc and run test
2. What did you expect to see? (Required)
Test Pass
3. What did you see instead (Required)
panic: strings: negative Repeat count
4. What is your TiDB version? (Required)
Tidb 5.0+