Error
Error Code:
1235
MySQL Error 1235: Unsupported Feature in Version
Description
Error 1235 indicates that your current MySQL server version does not support a specific SQL feature, function, or syntax you are trying to use. This commonly happens when attempting to leverage capabilities available only in more recent MySQL versions, or when a feature has been removed or altered in your current version.
Error Message
This version of MySQL doesn't yet support '%s'
Known Causes
3 known causesOutdated MySQL Version
Attempting to use SQL features, functions, or syntax that were introduced in a newer MySQL server version than the one currently installed.
Incorrect Feature Syntax
Executing a command or query with incorrect syntax for a feature, leading MySQL to not recognize it as supported, even if a similar feature exists.
Deprecated or Removed Feature
Using a feature that has been deprecated, removed, or significantly altered in your current MySQL version, causing it to be unrecognized.
Solutions
3 solutions available1. Upgrade MySQL Server medium
Update to a newer MySQL version that supports the required feature.
1
Identify the unsupported feature. The error message '%s' will usually provide a clue (e.g., a specific SQL syntax, function, or index type).
text2
Consult the MySQL documentation for your current version and the latest stable versions to determine which version introduced support for the feature.
text3
Plan and execute the MySQL upgrade. This typically involves backing up your data, installing the new MySQL version, and migrating your databases. Refer to the official MySQL upgrade guide for detailed instructions specific to your operating system and MySQL edition.
bash
# Example: Update package list and install a newer version (Debian/Ubuntu)
sudo apt update
sudo apt install mysql-server
# Example: Check current version
mysql --version4
After the upgrade, test your application thoroughly to ensure compatibility and that the unsupported feature now works as expected.
text2. Rewrite Query or Schema to Use Supported Features medium
Modify your SQL query or database schema to avoid the unsupported feature.
1
Analyze the SQL query or DDL statement that is causing the error. Identify the specific syntax or feature that is not supported by your current MySQL version.
text2
Research alternative ways to achieve the same result using features that are supported by your MySQL version. This might involve using different SQL functions, JOIN strategies, or creating tables with different configurations.
text3
Modify the problematic SQL query or `CREATE TABLE`/`ALTER TABLE` statement. For example, if a specific index type is unsupported, you might need to use a different index type or no index at all (though this might impact performance).
sql
-- Example: If 'FULLTEXT' index is unsupported in older versions, consider a different approach
-- For newer versions, this would be supported:
-- CREATE TABLE articles (
-- id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
-- title VARCHAR(255),
-- body TEXT,
-- FULLTEXT KEY ft_index (title, body)
-- );
-- In older versions, you might need to rely on LIKE for basic text searching or external tools.4
Apply the modified SQL statement to your database and re-run the operation that previously failed.
sql
-- Example: If a specific function is unsupported, find an equivalent or a workaround
-- e.g., if JSON_TABLE is not supported, you might need to parse JSON manually or use a different approach.3. Check MySQL Version Compatibility for Specific Features easy
Verify the MySQL version requirements for the feature you're trying to use.
1
Note the exact feature mentioned in the error message (e.g., `CREATE TABLE ... ENGINE=InnoDB` with specific options, a particular SQL function, or a JSON operation).
text2
Go to the official MySQL documentation website (dev.mysql.com/doc/).
text3
Navigate to the documentation for your current MySQL version.
text4
Search for the specific feature or syntax that caused the error. The documentation will clearly state which MySQL versions support that feature.
text5
If your current version does not support it, you'll need to either upgrade MySQL (Solution 1) or find an alternative approach (Solution 2).
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