pingcap / pingcap/tidb

BIT_AND returns incorrect result in prepared statement

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Description

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

Hi,

In the following test case, there are two equivalent queries, one is a normal SELECT, and the other is a prepared SELECT. However, they have different results: the normal SELECT returns an empty result, but the prepared SELECT returns one row.

```
CREATE TABLE t0(c0 NUMERIC UNSIGNED );
INSERT INTO t0(c0) VALUES (355074420);
CREATE VIEW v0(c0) AS SELECT CAST(((((t0.c0)NOT LIKE(t0.c0))) IS NULL) AS DATE) FROM t0;
SELECT * FROM v0 WHERE true GROUP BY v0.c0 HAVING BIT_AND(((v0.c0)>(CAST(v0.c0 AS CHAR)))); -- empty
SET @b = true;
PREPARE prepare_query FROM 'SELECT * FROM v0 WHERE ? GROUP BY v0.c0 HAVING BIT_AND(((v0.c0)>(CAST(v0.c0 AS CHAR))))';
EXECUTE prepare_query USING @b; -- 0000-00-00
```

Then I run the following query and find the BIT_AND returns incorrect result
```
SET @b = true;
PREPARE prepare_query FROM 'SELECT BIT_AND(((v0.c0)>(CAST(v0.c0 AS CHAR)))) FROM v0 WHERE ? GROUP BY v0.c0 HAVING BIT_AND(((v0.c0)>(CAST(v0.c0 AS CHAR))))';
EXECUTE prepare_query USING @b; -- 18446744073709551615
```

### 2. What did you expect to see? (Required)
The prepared SELECT returns an empty result.

### 3. What did you see instead (Required)
The prepared SELECT returns an incorrect result.

### 4. What is your TiDB version? (Required)

Release Version: v9.0.0-beta.2.pre-551-g71caddf56d\nEdition: Community\nGit Commit Hash: 71caddf56d9c1887650568101590417558149e3f\nGit Branch: master\nUTC Build Time: 2025-10-11 06:46:47\nGoVersion: go1.23.12\nRace Enabled: false\nCheck Table Before Drop: false\nStore: unistore\nKernel Type: Classic

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