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Remove functions related to MySQL Enterprise Edition that TiDB does n… (#12339) #12369

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Dec 22, 2022
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Remove functions related to MySQL Enterprise Edition that TiDB does n… (#12339) #12369

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fec1984
This is an automated cherry-pick of #12339
ljun0712 Dec 22, 2022
e93a310
Update encryption-and-compression-functions.md
ran-huang Dec 22, 2022
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11 changes: 1 addition & 10 deletions functions-and-operators/encryption-and-compression-functions.md
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Expand Up @@ -20,18 +20,9 @@ TiDB 支持使用 MySQL 5.7 中提供的大部分[加密和压缩函数](https:/
| [`COMPRESS()`](https://dev.mysql.com/doc/refman/5.7/en/encryption-functions.html#function_compress) | 返回经过压缩的二进制字符串 |
| [`UNCOMPRESS()`](https://dev.mysql.com/doc/refman/5.7/en/encryption-functions.html#function_uncompress) | 解压缩字符串 |
| [`UNCOMPRESSED_LENGTH()`](https://dev.mysql.com/doc/refman/5.7/en/encryption-functions.html#function_uncompressed-length)                             | 返回字符串解压后的长度 |
| [`CREATE_ASYMMETRIC_PRIV_KEY()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_create-asymmetric-priv-key) | 创建私钥 |
| [`CREATE_ASYMMETRIC_PUB_KEY()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_create-asymmetric-pub-key) | 创建公钥 |
| [`CREATE_DH_PARAMETERS()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_create-dh-parameters) | 创建 DH 共享密钥 |
| [`CREATE_DIGEST()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_create-digest) | 从字符串创建摘要 |
| [`ASYMMETRIC_DECRYPT()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_asymmetric-decrypt) | 使用公钥或私钥解密密文 |
| [`ASYMMETRIC_DERIVE()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_asymmetric-derive) | 从非对称密钥导出对称密钥 |
| [`ASYMMETRIC_ENCRYPT()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_asymmetric-encrypt) | 使用公钥或私钥加密明文 |
| [`ASYMMETRIC_SIGN()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_asymmetric-sign) | 从摘要创建签名 |
| [`ASYMMETRIC_VERIFY()`](https://dev.mysql.com/doc/refman/5.7/en/enterprise-encryption-functions.html#function_asymmetric-verify) | 验证签名字符串是否匹配摘要字符串 |

## 不支持的函数

* `DES_DECRYPT()`、`DES_ENCRYPT()`、`OLD_PASSWORD()` 和 `ENCRYPT()`：这些函数在 MySQL 5.7 中被废弃，并且已在 MySQL 8.0 中移除。
* `VALIDATE_PASSWORD_STRENGTH()` 函数。
* 只在 MySQL 企业版中支持的函数。见 [Issue #2632](https://github.com/pingcap/tidb/issues/2632)。
* 只在 MySQL 企业版中支持的函数。见 [Issue #2632](https://github.com/pingcap/tidb/issues/2632)。