pingcap / pingcap/tidb

Query execution failed after disabling column_prune

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#53,692 0 comments 0 reactions 0 assignees View on GitHub
severity/moderate sig/execution type/bug
Dominant language
Go
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Description

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)
```sql
create table t(c int);
insert into mysql.opt_rule_blacklist values("column_prune");
ADMIN reload opt_rule_blacklist;
select * from t order by 'a';
```

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

```sql
MySQL [d0]> select * from t order by 'a';
Empty set (0.00 sec)
```

### 3. What did you see instead (Required)
```sql
MySQL [d0]> select * from t order by 'a';
ERROR 1105 (HY000): interface conversion: expression.Expression is *expression.Constant, not *expression.Column
```

### 4. What is your TiDB version? (Required)
Release Version: v8.2.0-alpha-234-gdf64c343dd-dirty
Edition: Community
Git Commit Hash: df64c343ddfc4063891900acf95e2b3640c79f29
Git Branch: master
UTC Build Time: 2024-05-27 08:15:16
GoVersion: go1.21.7
Race Enabled: false
Check Table Before Drop: false
Store: tikv

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