pingcap / pingcap/tidb

Does not support add column and make it a foreign key in single statement

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#45,474 1 comment 0 reactions 1 assignee Claimed by @YangKeao View on GitHub
severity/minor sig/sql-infra type/bug
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Description

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

```
mysql> CREATE TABLE `schema_authorwithevenlongername` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `name` varchar(255) NOT NULL, `height` integer UNSIGNED NULL CHECK (`height` >= 0));
Query OK, 0 rows affected, 1 warning (0.08 sec)

mysql> CREATE TABLE `schema_bookwithlongname` (`id` integer AUTO_INCREMENT NOT NULL PRIMARY KEY, `author_foreign_key_with_really_long_field_name_id` integer NOT NULL);
Query OK, 0 rows affected (0.09 sec)

mysql> ALTER TABLE `schema_bookwithlongname` ADD COLUMN `author_other_really_long_named_i_mean_so_long_fk_id` integer NOT NULL , ADD CONSTRAINT `schema_bookwithlongn_author_other_really__6c36f4d2_fk_schema_au` FOREIGN KEY (`author_other_really_long_named_i_mean_so_long_fk_id`) REFERENCES `schema_authorwithevenlongername`(`id`);
```

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

Add column successfully.

### 3. What did you see instead (Required)

```
ERROR 1072 (42000): Key column 'author_other_really_long_named_i_mean_so_long_fk_id' doesn't exist in table
```

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

Release Version: v7.2.0
Edition: Community
Git Commit Hash: 9fd5f4a8e4f273a60fbe7d3848f85a1be8f0600b
Git Branch: heads/refs/tags/v7.2.0
UTC Build Time: 2023-06-27 14:56:57
GoVersion: go1.20.5
Race Enabled: false
Check Table Before Drop: false
Store: tikv

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