2053
php
data_error
ai_generated
partial
PDOException: SQLSTATE[HY000]: General error: 2053 SQLSTATE[HY000]: General error: 2053 when fetching data from table 'orders' with column 'total_amount' in /var/www/app/src/Repository/OrderRepository.php:42
ID: php/pdo-unknown-column-type
76%Fix Rate
81%Confidence
1Evidence
2024-06-18First Seen
Version Compatibility
| Version | Status | Introduced | Deprecated | Notes |
|---|---|---|---|---|
| PHP 8.0 | active | — | — | — |
| PHP 8.1 | active | — | — | — |
| PHP 8.2 | active | — | — | — |
| MySQL 8.0 | active | — | — | — |
| MySQL 8.4 | active | — | — | — |
| PostgreSQL 15 | active | — | — | — |
| PostgreSQL 16 | active | — | — | — |
Root Cause
PDO driver (e.g., MySQL or PostgreSQL) cannot map a database column type to a PHP type, often due to custom enum types, unsupported geometries, or corrupted column metadata.
generic中文
PDO 驱动(如 MySQL 或 PostgreSQL)无法将数据库列类型映射到 PHP 类型,通常是由于自定义枚举类型、不支持的几何类型或损坏的列元数据。
Official Documentation
https://www.php.net/manual/en/pdo.error-handling.phpWorkarounds
-
85% success Cast the problematic column in the SQL query to a standard type, e.g., `SELECT CAST(total_amount AS DECIMAL(10,2)) AS total_amount FROM orders`.
Cast the problematic column in the SQL query to a standard type, e.g., `SELECT CAST(total_amount AS DECIMAL(10,2)) AS total_amount FROM orders`.
-
75% success Update the column type in the database to a standard type like DECIMAL or DOUBLE; for custom enums, use a VARCHAR column instead.
Update the column type in the database to a standard type like DECIMAL or DOUBLE; for custom enums, use a VARCHAR column instead.
-
70% success Use `PDO::ATTR_STRINGIFY_FETCHES` to force all fetched values to strings: `$pdo->setAttribute(PDO::ATTR_STRINGIFY_FETCHES, true);`
Use `PDO::ATTR_STRINGIFY_FETCHES` to force all fetched values to strings: `$pdo->setAttribute(PDO::ATTR_STRINGIFY_FETCHES, true);`
中文步骤
在 SQL 查询中将有问题的列转换为标准类型,例如:`SELECT CAST(total_amount AS DECIMAL(10,2)) AS total_amount FROM orders`。
将数据库中的列类型更新为标准类型(如 DECIMAL 或 DOUBLE);对于自定义枚举,改用 VARCHAR 列。
使用 `PDO::ATTR_STRINGIFY_FETCHES` 强制将所有获取的值转换为字符串:`$pdo->setAttribute(PDO::ATTR_STRINGIFY_FETCHES, true);`
Dead Ends
Common approaches that don't work:
-
95% fail
The column type definition is static; restarting does not change how PDO interprets it.
-
80% fail
The error is specific to certain column types, not a general driver failure.
-
85% fail
The error occurs during data retrieval before fetch mode is applied.